X-Git-Url: http://nitlanguage.org

diff --git a/c_src/standard__string.sep.2.c b/c_src/standard__string.sep.2.c
index 072f725..99512b3 100644
--- a/c_src/standard__string.sep.2.c
+++ b/c_src/standard__string.sep.2.c
@@ -4,150 +4,113 @@ void standard__string___Int___fill_buffer(long self, val* p0, long p1, short int
 val* var_s /* var s: Buffer */;
 long var_base /* var base: Int */;
 short int var_signed /* var signed: Bool */;
-long var /* : Int */;
-short int var1 /* : Bool */;
-short int var3 /* : Bool */;
+short int var /* : Bool */;
+short int var2 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var4 /* : Bool */;
-long var5 /* : Int */;
-long var7 /* : Int */;
+short int var3 /* : Bool */;
+long var4 /* : Int */;
+long var6 /* : Int */;
 long var_n /* var n: Int */;
-val* var8 /* : Sequence[Char] */;
-val* var10 /* : Sequence[Char] */;
-long var11 /* : Int */;
-char var12 /* : Char */;
+val* var7 /* : SequenceRead[Char] */;
+val* var8 /* : nullable Object */;
+short int var9 /* : Bool */;
+short int var11 /* : Bool */;
+val* var12 /* : SequenceRead[Char] */;
 val* var13 /* : nullable Object */;
 long var14 /* : Int */;
-short int var15 /* : Bool */;
+long var15 /* : Int */;
 short int var17 /* : Bool */;
-val* var18 /* : Sequence[Char] */;
-val* var20 /* : Sequence[Char] */;
+int cltype18;
+int idtype19;
+const char* var_class_name20;
 long var21 /* : Int */;
-char var22 /* : Char */;
-val* var23 /* : nullable Object */;
-long var24 /* : Int */;
-long var25 /* : Int */;
-long var26 /* : Int */;
-short int var28 /* : Bool */;
-int cltype29;
-int idtype30;
-const char* var_class_name31;
-long var32 /* : Int */;
 long var_pos /* var pos: Int */;
-short int var33 /* : Bool */;
-long var34 /* : Int */;
-short int var35 /* : Bool */;
-short int var37 /* : Bool */;
-int cltype38;
-int idtype39;
-const char* var_class_name40;
-short int var41 /* : Bool */;
+short int var22 /* : Bool */;
+short int var23 /* : Bool */;
+short int var25 /* : Bool */;
+int cltype26;
+int idtype27;
+const char* var_class_name28;
+short int var29 /* : Bool */;
 short int var_ /* var : Bool */;
-long var42 /* : Int */;
-short int var43 /* : Bool */;
+short int var30 /* : Bool */;
+short int var32 /* : Bool */;
+int cltype33;
+int idtype34;
+const char* var_class_name35;
+short int var36 /* : Bool */;
+val* var37 /* : SequenceRead[Char] */;
+long var38 /* : Int */;
+long var40 /* : Int */;
+uint32_t var41 /* : Char */;
+val* var42 /* : nullable Object */;
+long var43 /* : Int */;
 short int var45 /* : Bool */;
 int cltype46;
 int idtype47;
 const char* var_class_name48;
-short int var49 /* : Bool */;
-val* var50 /* : Sequence[Char] */;
-val* var52 /* : Sequence[Char] */;
-long var53 /* : Int */;
-long var55 /* : Int */;
-char var56 /* : Char */;
-val* var57 /* : nullable Object */;
-long var58 /* : Int */;
-short int var60 /* : Bool */;
-int cltype61;
-int idtype62;
-const char* var_class_name63;
-long var64 /* : Int */;
-long var65 /* : Int */;
-long var66 /* : Int */;
-short int var68 /* : Bool */;
-int cltype69;
-int idtype70;
-const char* var_class_name71;
-long var72 /* : Int */;
+long var49 /* : Int */;
+long var50 /* : Int */;
+short int var52 /* : Bool */;
+int cltype53;
+int idtype54;
+const char* var_class_name55;
+long var56 /* : Int */;
 var_s = p0;
 var_base = p1;
 var_signed = p2;
-var = 0;
 {
-{ /* Inline kernel#Int#< (self,var) on <self:Int> */
-/* Covariant cast for argument 0 (i) <var:Int> isa OTHER */
-/* <var:Int> isa OTHER */
-var3 = 1; /* easy <var:Int> isa OTHER*/
-if (unlikely(!var3)) {
+{ /* Inline kernel#Int#< (self,0l) on <self:Int> */
+/* Covariant cast for argument 0 (i) <0l:Int> isa OTHER */
+/* <0l:Int> isa OTHER */
+var2 = 1; /* easy <0l:Int> isa OTHER*/
+if (unlikely(!var2)) {
 var_class_name = type_standard__Int.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 410);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 534);
+fatal_exit(1);
 }
-var4 = self < var;
-var1 = var4;
-goto RET_LABEL2;
-RET_LABEL2:(void)0;
+var3 = self < 0l;
+var = var3;
+goto RET_LABEL1;
+RET_LABEL1:(void)0;
 }
 }
-if (var1){
+if (var){
 {
 { /* Inline kernel#Int#unary - (self) on <self:Int> */
-var7 = -self;
-var5 = var7;
-goto RET_LABEL6;
-RET_LABEL6:(void)0;
+var6 = -self;
+var4 = var6;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
 }
 }
-var_n = var5;
+var_n = var4;
 {
-{ /* Inline string#FlatBuffer#chars (var_s) on <var_s:Buffer> */
-var10 = var_s->attrs[COLOR_standard__string__FlatBuffer___chars].val; /* _chars on <var_s:Buffer> */
-if (unlikely(var10 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _chars");
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 1525);
-show_backtrace(1);
-}
-var8 = var10;
-RET_LABEL9:(void)0;
-}
+var7 = ((val*(*)(val* self))(var_s->class->vft[COLOR_standard__string__Text__chars]))(var_s); /* chars on <var_s:Buffer>*/
 }
-var11 = 0;
-var12 = '-';
 {
-var13 = BOX_standard__Char(var12); /* autobox from Char to nullable Object */
-((void (*)(val* self, long p0, val* p1))(var8->class->vft[COLOR_standard__abstract_collection__Sequence___91d_93d_61d]))(var8, var11, var13) /* []= on <var8:Sequence[Char]>*/;
+var8 = (val*)((long)('-')<<2|2);
+((void(*)(val* self, long p0, val* p1))((((long)var7&3)?class_info[((long)var7&3)]:var7->class)->vft[COLOR_standard__abstract_collection__Sequence___91d_93d_61d]))(var7, 0l, var8); /* []= on <var7:SequenceRead[Char](Sequence[Char])>*/
 }
 } else {
-var14 = 0;
 {
-{ /* Inline kernel#Int#== (self,var14) on <self:Int> */
-var17 = self == var14;
-var15 = var17;
-goto RET_LABEL16;
-RET_LABEL16:(void)0;
+{ /* Inline kernel#Int#== (self,0l) on <self:Int> */
+var11 = self == 0l;
+var9 = var11;
+goto RET_LABEL10;
+RET_LABEL10:(void)0;
 }
 }
-if (var15){
+if (var9){
 {
-{ /* Inline string#FlatBuffer#chars (var_s) on <var_s:Buffer> */
-var20 = var_s->attrs[COLOR_standard__string__FlatBuffer___chars].val; /* _chars on <var_s:Buffer> */
-if (unlikely(var20 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _chars");
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 1525);
-show_backtrace(1);
-}
-var18 = var20;
-RET_LABEL19:(void)0;
+var12 = ((val*(*)(val* self))(var_s->class->vft[COLOR_standard__string__Text__chars]))(var_s); /* chars on <var_s:Buffer>*/
 }
-}
-var21 = 0;
-var22 = '0';
 {
-var23 = BOX_standard__Char(var22); /* autobox from Char to nullable Object */
-((void (*)(val* self, long p0, val* p1))(var18->class->vft[COLOR_standard__abstract_collection__Sequence___91d_93d_61d]))(var18, var21, var23) /* []= on <var18:Sequence[Char]>*/;
+var13 = (val*)((long)('0')<<2|2);
+((void(*)(val* self, long p0, val* p1))((((long)var12&3)?class_info[((long)var12&3)]:var12->class)->vft[COLOR_standard__abstract_collection__Sequence___91d_93d_61d]))(var12, 0l, var13); /* []= on <var12:SequenceRead[Char](Sequence[Char])>*/
 }
 goto RET_LABEL;
 } else {
@@ -155,135 +118,122 @@ var_n = self;
 }
 }
 {
-var24 = standard___standard__Int___digit_count(self, var_base);
+var14 = standard___standard__Int___digit_count(self, var_base);
 }
-var25 = 1;
 {
-{ /* Inline kernel#Int#- (var24,var25) on <var24:Int> */
-/* Covariant cast for argument 0 (i) <var25:Int> isa OTHER */
-/* <var25:Int> isa OTHER */
-var28 = 1; /* easy <var25:Int> isa OTHER*/
-if (unlikely(!var28)) {
-var_class_name31 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name31);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 416);
-show_backtrace(1);
+{ /* Inline kernel#Int#- (var14,1l) on <var14:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var17 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var17)) {
+var_class_name20 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name20);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 540);
+fatal_exit(1);
 }
-var32 = var24 - var25;
-var26 = var32;
-goto RET_LABEL27;
-RET_LABEL27:(void)0;
+var21 = var14 - 1l;
+var15 = var21;
+goto RET_LABEL16;
+RET_LABEL16:(void)0;
 }
 }
-var_pos = var26;
+var_pos = var15;
 for(;;) {
-var34 = 0;
-{
-{ /* Inline kernel#Int#>= (var_pos,var34) on <var_pos:Int> */
-/* Covariant cast for argument 0 (i) <var34:Int> isa OTHER */
-/* <var34:Int> isa OTHER */
-var37 = 1; /* easy <var34:Int> isa OTHER*/
-if (unlikely(!var37)) {
-var_class_name40 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name40);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 411);
-show_backtrace(1);
-}
-var41 = var_pos >= var34;
-var35 = var41;
-goto RET_LABEL36;
-RET_LABEL36:(void)0;
-}
-}
-var_ = var35;
-if (var35){
-var42 = 0;
-{
-{ /* Inline kernel#Int#> (var_n,var42) on <var_n:Int> */
-/* Covariant cast for argument 0 (i) <var42:Int> isa OTHER */
-/* <var42:Int> isa OTHER */
-var45 = 1; /* easy <var42:Int> isa OTHER*/
-if (unlikely(!var45)) {
-var_class_name48 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name48);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 412);
-show_backtrace(1);
-}
-var49 = var_n > var42;
-var43 = var49;
-goto RET_LABEL44;
-RET_LABEL44:(void)0;
+{
+{ /* Inline kernel#Int#>= (var_pos,0l) on <var_pos:Int> */
+/* Covariant cast for argument 0 (i) <0l:Int> isa OTHER */
+/* <0l:Int> isa OTHER */
+var25 = 1; /* easy <0l:Int> isa OTHER*/
+if (unlikely(!var25)) {
+var_class_name28 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name28);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 535);
+fatal_exit(1);
 }
+var29 = var_pos >= 0l;
+var23 = var29;
+goto RET_LABEL24;
+RET_LABEL24:(void)0;
 }
-var33 = var43;
-} else {
-var33 = var_;
 }
-if (var33){
+var_ = var23;
+if (var23){
 {
-{ /* Inline string#FlatBuffer#chars (var_s) on <var_s:Buffer> */
-var52 = var_s->attrs[COLOR_standard__string__FlatBuffer___chars].val; /* _chars on <var_s:Buffer> */
-if (unlikely(var52 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _chars");
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 1525);
-show_backtrace(1);
+{ /* Inline kernel#Int#> (var_n,0l) on <var_n:Int> */
+/* Covariant cast for argument 0 (i) <0l:Int> isa OTHER */
+/* <0l:Int> isa OTHER */
+var32 = 1; /* easy <0l:Int> isa OTHER*/
+if (unlikely(!var32)) {
+var_class_name35 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name35);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 536);
+fatal_exit(1);
 }
-var50 = var52;
-RET_LABEL51:(void)0;
+var36 = var_n > 0l;
+var30 = var36;
+goto RET_LABEL31;
+RET_LABEL31:(void)0;
+}
+}
+var22 = var30;
+} else {
+var22 = var_;
 }
+if (var22){
+{
+var37 = ((val*(*)(val* self))(var_s->class->vft[COLOR_standard__string__Text__chars]))(var_s); /* chars on <var_s:Buffer>*/
 }
 {
 { /* Inline kernel#Int#% (var_n,var_base) on <var_n:Int> */
-var55 = var_n % var_base;
-var53 = var55;
-goto RET_LABEL54;
-RET_LABEL54:(void)0;
+var40 = var_n % var_base;
+var38 = var40;
+goto RET_LABEL39;
+RET_LABEL39:(void)0;
 }
 }
 {
-var56 = standard___standard__Int___to_c(var53);
+var41 = standard___standard__Int___to_c(var38);
 }
 {
-var57 = BOX_standard__Char(var56); /* autobox from Char to nullable Object */
-((void (*)(val* self, long p0, val* p1))(var50->class->vft[COLOR_standard__abstract_collection__Sequence___91d_93d_61d]))(var50, var_pos, var57) /* []= on <var50:Sequence[Char]>*/;
+var42 = (val*)((long)(var41)<<2|2);
+((void(*)(val* self, long p0, val* p1))((((long)var37&3)?class_info[((long)var37&3)]:var37->class)->vft[COLOR_standard__abstract_collection__Sequence___91d_93d_61d]))(var37, var_pos, var42); /* []= on <var37:SequenceRead[Char](Sequence[Char])>*/
 }
 {
 { /* Inline kernel#Int#/ (var_n,var_base) on <var_n:Int> */
 /* Covariant cast for argument 0 (i) <var_base:Int> isa OTHER */
 /* <var_base:Int> isa OTHER */
-var60 = 1; /* easy <var_base:Int> isa OTHER*/
-if (unlikely(!var60)) {
-var_class_name63 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name63);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 418);
-show_backtrace(1);
+var45 = 1; /* easy <var_base:Int> isa OTHER*/
+if (unlikely(!var45)) {
+var_class_name48 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name48);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 542);
+fatal_exit(1);
 }
-var64 = var_n / var_base;
-var58 = var64;
-goto RET_LABEL59;
-RET_LABEL59:(void)0;
+var49 = var_n / var_base;
+var43 = var49;
+goto RET_LABEL44;
+RET_LABEL44:(void)0;
 }
 }
-var_n = var58;
-var65 = 1;
+var_n = var43;
 {
-{ /* Inline kernel#Int#- (var_pos,var65) on <var_pos:Int> */
-/* Covariant cast for argument 0 (i) <var65:Int> isa OTHER */
-/* <var65:Int> isa OTHER */
-var68 = 1; /* easy <var65:Int> isa OTHER*/
-if (unlikely(!var68)) {
-var_class_name71 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name71);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 416);
-show_backtrace(1);
+{ /* Inline kernel#Int#- (var_pos,1l) on <var_pos:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var52 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var52)) {
+var_class_name55 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name55);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 540);
+fatal_exit(1);
 }
-var72 = var_pos - var65;
-var66 = var72;
-goto RET_LABEL67;
-RET_LABEL67:(void)0;
+var56 = var_pos - 1l;
+var50 = var56;
+goto RET_LABEL51;
+RET_LABEL51:(void)0;
 }
 }
-var_pos = var66;
+var_pos = var50;
 } else {
 goto BREAK_label;
 }
@@ -309,101 +259,149 @@ RET_LABEL:;
 /* method string#Int#to_s for (self: Int): String */
 val* standard__string___Int___Object__to_s(long self) {
 val* var /* : String */;
-long var1 /* : Int */;
-long var3 /* : Int for extern */;
+short int var1 /* : Bool */;
+short int var3 /* : Bool */;
+static val* varonce;
+val* var4 /* : String */;
+char* var5 /* : NativeString */;
+val* var6 /* : FlatString */;
+short int var7 /* : Bool */;
+short int var9 /* : Bool */;
+static val* varonce10;
+val* var11 /* : String */;
+char* var12 /* : NativeString */;
+val* var13 /* : FlatString */;
+long var14 /* : Int */;
+long var16 /* : Int for extern */;
 long var_nslen /* var nslen: Int */;
-char* var4 /* : NativeString */;
-long var5 /* : Int */;
-long var6 /* : Int */;
-short int var8 /* : Bool */;
+char* var17 /* : NativeString */;
+long var18 /* : Int */;
+short int var20 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-long var9 /* : Int */;
-char* var10 /* : NativeString */;
-char* var12 /* : NativeString */;
+long var21 /* : Int */;
+char* var22 /* : NativeString */;
+char* var24 /* : NativeString */;
 char* var_ns /* var ns: NativeString */;
-char var13 /* : Char */;
-long var15 /* : Int */;
-long var16 /* : Int */;
-short int var18 /* : Bool */;
-int cltype19;
-int idtype20;
-const char* var_class_name21;
-long var22 /* : Int */;
-val* var24 /* : FlatString */;
+long var26 /* : Int */;
+short int var28 /* : Bool */;
+int cltype29;
+int idtype30;
+const char* var_class_name31;
+long var32 /* : Int */;
+val* var34 /* : FlatString */;
 {
-{ /* Inline string#Int#int_to_s_len (self) on <self:Int> */
-var3 = native_int_length_str(self);
+{ /* Inline kernel#Int#== (self,0l) on <self:Int> */
+var3 = self == 0l;
 var1 = var3;
 goto RET_LABEL2;
 RET_LABEL2:(void)0;
 }
 }
-var_nslen = var1;
-var4 = NULL/*special!*/;
-var5 = 1;
+if (var1){
+if (likely(varonce!=NULL)) {
+var4 = varonce;
+} else {
+var5 = "0";
+var6 = standard___standard__NativeString___to_s_with_length(var5, 1l);
+var4 = var6;
+varonce = var4;
+}
+var = var4;
+goto RET_LABEL;
+} else {
+}
 {
-{ /* Inline kernel#Int#+ (var_nslen,var5) on <var_nslen:Int> */
-/* Covariant cast for argument 0 (i) <var5:Int> isa OTHER */
-/* <var5:Int> isa OTHER */
-var8 = 1; /* easy <var5:Int> isa OTHER*/
-if (unlikely(!var8)) {
+{ /* Inline kernel#Int#== (self,1l) on <self:Int> */
+var9 = self == 1l;
+var7 = var9;
+goto RET_LABEL8;
+RET_LABEL8:(void)0;
+}
+}
+if (var7){
+if (likely(varonce10!=NULL)) {
+var11 = varonce10;
+} else {
+var12 = "1";
+var13 = standard___standard__NativeString___to_s_with_length(var12, 1l);
+var11 = var13;
+varonce10 = var11;
+}
+var = var11;
+goto RET_LABEL;
+} else {
+}
+{
+{ /* Inline string#Int#int_to_s_len (self) on <self:Int> */
+var16 = native_int_length_str(self);
+var14 = var16;
+goto RET_LABEL15;
+RET_LABEL15:(void)0;
+}
+}
+var_nslen = var14;
+var17 = NULL/*special!*/;
+{
+{ /* Inline kernel#Int#+ (var_nslen,1l) on <var_nslen:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var20 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var20)) {
 var_class_name = type_standard__Int.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 413);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
 }
-var9 = var_nslen + var5;
-var6 = var9;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
+var21 = var_nslen + 1l;
+var18 = var21;
+goto RET_LABEL19;
+RET_LABEL19:(void)0;
 }
 }
 {
-{ /* Inline string#NativeString#new (var4,var6) on <var4:NativeString> */
-var12 = (char*)nit_alloc(var6);
-var10 = var12;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
+{ /* Inline string#NativeString#new (var17,var18) on <var17:NativeString> */
+var24 = (char*)nit_alloc(var18);
+var22 = var24;
+goto RET_LABEL23;
+RET_LABEL23:(void)0;
 }
 }
-var_ns = var10;
-var13 = '\0';
+var_ns = var22;
 {
-{ /* Inline string#NativeString#[]= (var_ns,var_nslen,var13) on <var_ns:NativeString> */
-var_ns[var_nslen]=var13;
-RET_LABEL14:(void)0;
+{ /* Inline string#NativeString#[]= (var_ns,var_nslen,'\000') on <var_ns:NativeString> */
+var_ns[var_nslen]=(unsigned char)'\000';
+RET_LABEL25:(void)0;
 }
 }
-var15 = 1;
 {
-{ /* Inline kernel#Int#+ (var_nslen,var15) on <var_nslen:Int> */
-/* Covariant cast for argument 0 (i) <var15:Int> isa OTHER */
-/* <var15:Int> isa OTHER */
-var18 = 1; /* easy <var15:Int> isa OTHER*/
-if (unlikely(!var18)) {
-var_class_name21 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name21);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 413);
-show_backtrace(1);
+{ /* Inline kernel#Int#+ (var_nslen,1l) on <var_nslen:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var28 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var28)) {
+var_class_name31 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name31);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
 }
-var22 = var_nslen + var15;
-var16 = var22;
-goto RET_LABEL17;
-RET_LABEL17:(void)0;
+var32 = var_nslen + 1l;
+var26 = var32;
+goto RET_LABEL27;
+RET_LABEL27:(void)0;
 }
 }
 {
-{ /* Inline string#Int#native_int_to_s (self,var_ns,var16) on <self:Int> */
-native_int_to_s(self, var_ns, var16);
-RET_LABEL23:(void)0;
+{ /* Inline string#Int#native_int_to_s (self,var_ns,var26) on <self:Int> */
+native_int_to_s(self, var_ns, var26);
+RET_LABEL33:(void)0;
 }
 }
 {
-var24 = standard___standard__NativeString___to_s_with_length(var_ns, var_nslen);
+var34 = standard___standard__NativeString___to_s_with_length(var_ns, var_nslen);
 }
-var = var24;
+var = var34;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
@@ -413,7 +411,7 @@ val* VIRTUAL_standard__string___Int___Object__to_s(val* self) {
 val* var /* : String */;
 val* var1 /* : String */;
 long var2 /* : Int */;
-var2 = ((struct instance_standard__Int*)self)->value; /* autounbox from Object to Int */;
+var2 = (long)(self)>>2;
 var1 = standard__string___Int___Object__to_s(var2);
 var = var1;
 RET_LABEL:;
@@ -422,15 +420,11 @@ return var;
 /* method string#Int#to_hex for (self: Int): String */
 val* standard__string___Int___to_hex(long self) {
 val* var /* : String */;
-long var1 /* : Int */;
-short int var2 /* : Bool */;
-val* var3 /* : String */;
-var1 = 16;
-var2 = 0;
+val* var1 /* : String */;
 {
-var3 = standard__string___Int___to_base(self, var1, var2);
+var1 = standard__string___Int___to_base(self, 16l, 0);
 }
-var = var3;
+var = var1;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
@@ -446,11 +440,10 @@ val* var2 /* : FlatBuffer */;
 static val* varonce;
 val* var3 /* : String */;
 char* var4 /* : NativeString */;
-long var5 /* : Int */;
-val* var6 /* : FlatString */;
-val* var7 /* : String */;
+val* var5 /* : FlatString */;
+val* var6 /* : String */;
 val* var_s /* var s: FlatBuffer */;
-val* var8 /* : String */;
+val* var7 /* : String */;
 var_base = p0;
 var_signed = p1;
 {
@@ -458,29 +451,28 @@ var1 = standard___standard__Int___digit_count(self, var_base);
 }
 var_l = var1;
 var2 = NEW_standard__FlatBuffer(&type_standard__FlatBuffer);
-if (varonce) {
+if (likely(varonce!=NULL)) {
 var3 = varonce;
 } else {
 var4 = " ";
-var5 = 1;
-var6 = standard___standard__NativeString___to_s_with_length(var4, var5);
-var3 = var6;
+var5 = standard___standard__NativeString___to_s_with_length(var4, 1l);
+var3 = var5;
 varonce = var3;
 }
 {
-var7 = ((val* (*)(val* self, long p0))(var3->class->vft[COLOR_standard__string__String___42d]))(var3, var_l) /* * on <var3:String>*/;
+var6 = ((val*(*)(val* self, long p0))(var3->class->vft[COLOR_standard__string__String___42d]))(var3, var_l); /* * on <var3:String>*/
 }
 {
-standard___standard__FlatBuffer___from(var2, var7); /* Direct call string#FlatBuffer#from on <var2:FlatBuffer>*/
+standard___standard__FlatBuffer___from(var2, var6); /* Direct call string#FlatBuffer#from on <var2:FlatBuffer>*/
 }
 var_s = var2;
 {
 standard__string___Int___fill_buffer(self, var_s, var_base, var_signed); /* Direct call string#Int#fill_buffer on <self:Int>*/
 }
 {
-var8 = standard___standard__FlatBuffer___Object__to_s(var_s);
+var7 = standard___standard__FlatBuffer___Object__to_s(var_s);
 }
-var = var8;
+var = var7;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
@@ -488,289 +480,265 @@ return var;
 /* method string#Float#to_s for (self: Float): String */
 val* standard__string___Float___Object__to_s(double self) {
 val* var /* : String */;
-long var1 /* : Int */;
-val* var2 /* : String */;
+val* var1 /* : String */;
 val* var_str /* var str: String */;
-short int var3 /* : Bool */;
-long var4 /* : Int */;
-long var5 /* : Int */;
+short int var2 /* : Bool */;
+long var3 /* : Int */;
+short int var4 /* : Bool */;
 short int var6 /* : Bool */;
-short int var8 /* : Bool */;
-short int var9 /* : Bool */;
+short int var7 /* : Bool */;
 short int var_ /* var : Bool */;
-short int var10 /* : Bool */;
-short int var12 /* : Bool for extern */;
-long var13 /* : Int */;
+short int var8 /* : Bool */;
+short int var10 /* : Bool for extern */;
+long var11 /* : Int */;
 long var_len /* var len: Int */;
-long var14 /* : Int */;
 long var_i /* var i: Int */;
-long var15 /* : Int */;
-long var16 /* : Int */;
-short int var18 /* : Bool */;
+long var12 /* : Int */;
+short int var14 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-long var19 /* : Int */;
-long var_20 /* var : Int */;
-short int var21 /* : Bool */;
+long var15 /* : Int */;
+long var_16 /* var : Int */;
+short int var17 /* : Bool */;
+short int var19 /* : Bool */;
+int cltype20;
+int idtype21;
+const char* var_class_name22;
 short int var23 /* : Bool */;
-int cltype24;
-int idtype25;
-const char* var_class_name26;
-short int var27 /* : Bool */;
-long var28 /* : Int */;
-long var29 /* : Int */;
-short int var31 /* : Bool */;
-int cltype32;
-int idtype33;
-const char* var_class_name34;
-long var35 /* : Int */;
-long var36 /* : Int */;
-short int var38 /* : Bool */;
-int cltype39;
-int idtype40;
-const char* var_class_name41;
-long var42 /* : Int */;
+long var24 /* : Int */;
+short int var26 /* : Bool */;
+int cltype27;
+int idtype28;
+const char* var_class_name29;
+long var30 /* : Int */;
+long var31 /* : Int */;
+short int var33 /* : Bool */;
+int cltype34;
+int idtype35;
+const char* var_class_name36;
+long var37 /* : Int */;
 long var_j /* var j: Int */;
-val* var43 /* : SequenceRead[Char] */;
-val* var44 /* : nullable Object */;
-char var45 /* : Char */;
-char var_c /* var c: Char */;
-char var46 /* : Char */;
-short int var47 /* : Bool */;
+val* var38 /* : SequenceRead[Char] */;
+val* var39 /* : nullable Object */;
+uint32_t var40 /* : Char */;
+uint32_t var_c /* var c: Char */;
+short int var41 /* : Bool */;
+short int var43 /* : Bool */;
+short int var44 /* : Bool */;
+short int var46 /* : Bool */;
+long var47 /* : Int */;
 short int var49 /* : Bool */;
-char var50 /* : Char */;
-short int var51 /* : Bool */;
-short int var53 /* : Bool */;
-long var54 /* : Int */;
+int cltype50;
+int idtype51;
+const char* var_class_name52;
+long var53 /* : Int */;
+val* var54 /* : Text */;
 long var55 /* : Int */;
-long var56 /* : Int */;
-short int var58 /* : Bool */;
-int cltype59;
-int idtype60;
-const char* var_class_name61;
-long var62 /* : Int */;
-val* var63 /* : Text */;
-long var64 /* : Int */;
-long var65 /* : Int */;
-long var66 /* : Int */;
-short int var68 /* : Bool */;
-int cltype69;
-int idtype70;
-const char* var_class_name71;
-long var72 /* : Int */;
-val* var73 /* : Text */;
-long var74 /* : Int */;
-long var75 /* : Int */;
-var1 = 3;
+short int var57 /* : Bool */;
+int cltype58;
+int idtype59;
+const char* var_class_name60;
+long var61 /* : Int */;
+val* var62 /* : Text */;
+long var63 /* : Int */;
 {
-var2 = standard__string___Float___to_precision(self, var1);
+var1 = standard__string___Float___to_precision(self, 3l);
 }
-var_str = var2;
+var_str = var1;
 {
-var4 = standard__math___Float___is_inf(self);
+var3 = standard__math___Float___is_inf(self);
 }
-var5 = 0;
 {
-{ /* Inline kernel#Int#!= (var4,var5) on <var4:Int> */
-var8 = var4 == var5;
-var9 = !var8;
-var6 = var9;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
+{ /* Inline kernel#Int#!= (var3,0l) on <var3:Int> */
+var6 = var3 == 0l;
+var7 = !var6;
+var4 = var7;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
 }
 }
-var_ = var6;
-if (var6){
-var3 = var_;
+var_ = var4;
+if (var4){
+var2 = var_;
 } else {
 {
 { /* Inline math#Float#is_nan (self) on <self:Float> */
-var12 = isnan(self);
-var10 = var12;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
+var10 = isnan(self);
+var8 = var10;
+goto RET_LABEL9;
+RET_LABEL9:(void)0;
 }
 }
-var3 = var10;
+var2 = var8;
 }
-if (var3){
+if (var2){
 var = var_str;
 goto RET_LABEL;
 } else {
 }
 {
-var13 = ((long (*)(val* self))(var_str->class->vft[COLOR_standard__string__Text__length]))(var_str) /* length on <var_str:String>*/;
+var11 = ((long(*)(val* self))(var_str->class->vft[COLOR_standard__string__Text__length]))(var_str); /* length on <var_str:String>*/
 }
-var_len = var13;
-var14 = 0;
-var_i = var14;
-var15 = 1;
+var_len = var11;
+var_i = 0l;
 {
-{ /* Inline kernel#Int#- (var_len,var15) on <var_len:Int> */
-/* Covariant cast for argument 0 (i) <var15:Int> isa OTHER */
-/* <var15:Int> isa OTHER */
-var18 = 1; /* easy <var15:Int> isa OTHER*/
-if (unlikely(!var18)) {
+{ /* Inline kernel#Int#- (var_len,1l) on <var_len:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var14 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var14)) {
 var_class_name = type_standard__Int.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 416);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 540);
+fatal_exit(1);
 }
-var19 = var_len - var15;
-var16 = var19;
-goto RET_LABEL17;
-RET_LABEL17:(void)0;
+var15 = var_len - 1l;
+var12 = var15;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
 }
 }
-var_20 = var16;
+var_16 = var12;
 for(;;) {
 {
-{ /* Inline kernel#Int#<= (var_i,var_20) on <var_i:Int> */
-/* Covariant cast for argument 0 (i) <var_20:Int> isa OTHER */
-/* <var_20:Int> isa OTHER */
-var23 = 1; /* easy <var_20:Int> isa OTHER*/
-if (unlikely(!var23)) {
-var_class_name26 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name26);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 409);
-show_backtrace(1);
-}
-var27 = var_i <= var_20;
-var21 = var27;
-goto RET_LABEL22;
-RET_LABEL22:(void)0;
-}
-}
-if (var21){
-var28 = 1;
-{
-{ /* Inline kernel#Int#- (var_len,var28) on <var_len:Int> */
-/* Covariant cast for argument 0 (i) <var28:Int> isa OTHER */
-/* <var28:Int> isa OTHER */
-var31 = 1; /* easy <var28:Int> isa OTHER*/
-if (unlikely(!var31)) {
-var_class_name34 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name34);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 416);
-show_backtrace(1);
+{ /* Inline kernel#Int#<= (var_i,var_16) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var_16:Int> isa OTHER */
+/* <var_16:Int> isa OTHER */
+var19 = 1; /* easy <var_16:Int> isa OTHER*/
+if (unlikely(!var19)) {
+var_class_name22 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name22);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 533);
+fatal_exit(1);
+}
+var23 = var_i <= var_16;
+var17 = var23;
+goto RET_LABEL18;
+RET_LABEL18:(void)0;
 }
-var35 = var_len - var28;
-var29 = var35;
-goto RET_LABEL30;
-RET_LABEL30:(void)0;
+}
+if (var17){
+{
+{ /* Inline kernel#Int#- (var_len,1l) on <var_len:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var26 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var26)) {
+var_class_name29 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name29);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 540);
+fatal_exit(1);
+}
+var30 = var_len - 1l;
+var24 = var30;
+goto RET_LABEL25;
+RET_LABEL25:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#- (var29,var_i) on <var29:Int> */
+{ /* Inline kernel#Int#- (var24,var_i) on <var24:Int> */
 /* Covariant cast for argument 0 (i) <var_i:Int> isa OTHER */
 /* <var_i:Int> isa OTHER */
-var38 = 1; /* easy <var_i:Int> isa OTHER*/
-if (unlikely(!var38)) {
-var_class_name41 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name41);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 416);
-show_backtrace(1);
-}
-var42 = var29 - var_i;
-var36 = var42;
-goto RET_LABEL37;
-RET_LABEL37:(void)0;
+var33 = 1; /* easy <var_i:Int> isa OTHER*/
+if (unlikely(!var33)) {
+var_class_name36 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name36);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 540);
+fatal_exit(1);
+}
+var37 = var24 - var_i;
+var31 = var37;
+goto RET_LABEL32;
+RET_LABEL32:(void)0;
 }
 }
-var_j = var36;
+var_j = var31;
 {
-var43 = ((val* (*)(val* self))(var_str->class->vft[COLOR_standard__string__Text__chars]))(var_str) /* chars on <var_str:String>*/;
+var38 = ((val*(*)(val* self))(var_str->class->vft[COLOR_standard__string__Text__chars]))(var_str); /* chars on <var_str:String>*/
 }
 {
-var44 = ((val* (*)(val* self, long p0))(var43->class->vft[COLOR_standard__abstract_collection__SequenceRead___91d_93d]))(var43, var_j) /* [] on <var43:SequenceRead[Char]>*/;
+var39 = ((val*(*)(val* self, long p0))((((long)var38&3)?class_info[((long)var38&3)]:var38->class)->vft[COLOR_standard__abstract_collection__SequenceRead___91d_93d]))(var38, var_j); /* [] on <var38:SequenceRead[Char]>*/
 }
-var45 = ((struct instance_standard__Char*)var44)->value; /* autounbox from nullable Object to Char */;
-var_c = var45;
-var46 = '0';
+var40 = (uint32_t)((long)(var39)>>2);
+var_c = var40;
 {
-{ /* Inline kernel#Char#== (var_c,var46) on <var_c:Char> */
-var49 = var_c == var46;
-var47 = var49;
-goto RET_LABEL48;
-RET_LABEL48:(void)0;
+{ /* Inline kernel#Char#== (var_c,'0') on <var_c:Char> */
+var43 = var_c == '0';
+var41 = var43;
+goto RET_LABEL42;
+RET_LABEL42:(void)0;
 }
 }
-if (var47){
+if (var41){
 goto BREAK_label;
 } else {
-var50 = '.';
 {
-{ /* Inline kernel#Char#== (var_c,var50) on <var_c:Char> */
-var53 = var_c == var50;
-var51 = var53;
-goto RET_LABEL52;
-RET_LABEL52:(void)0;
+{ /* Inline kernel#Char#== (var_c,'.') on <var_c:Char> */
+var46 = var_c == '.';
+var44 = var46;
+goto RET_LABEL45;
+RET_LABEL45:(void)0;
 }
 }
-if (var51){
-var54 = 0;
-var55 = 2;
+if (var44){
 {
-{ /* Inline kernel#Int#+ (var_j,var55) on <var_j:Int> */
-/* Covariant cast for argument 0 (i) <var55:Int> isa OTHER */
-/* <var55:Int> isa OTHER */
-var58 = 1; /* easy <var55:Int> isa OTHER*/
-if (unlikely(!var58)) {
-var_class_name61 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name61);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 413);
-show_backtrace(1);
+{ /* Inline kernel#Int#+ (var_j,2l) on <var_j:Int> */
+/* Covariant cast for argument 0 (i) <2l:Int> isa OTHER */
+/* <2l:Int> isa OTHER */
+var49 = 1; /* easy <2l:Int> isa OTHER*/
+if (unlikely(!var49)) {
+var_class_name52 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name52);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
 }
-var62 = var_j + var55;
-var56 = var62;
-goto RET_LABEL57;
-RET_LABEL57:(void)0;
+var53 = var_j + 2l;
+var47 = var53;
+goto RET_LABEL48;
+RET_LABEL48:(void)0;
 }
 }
 {
-var63 = ((val* (*)(val* self, long p0, long p1))(var_str->class->vft[COLOR_standard__string__Text__substring]))(var_str, var54, var56) /* substring on <var_str:String>*/;
+var54 = ((val*(*)(val* self, long p0, long p1))(var_str->class->vft[COLOR_standard__string__Text__substring]))(var_str, 0l, var47); /* substring on <var_str:String>*/
 }
-var = var63;
+var = var54;
 goto RET_LABEL;
 } else {
-var64 = 0;
-var65 = 1;
 {
-{ /* Inline kernel#Int#+ (var_j,var65) on <var_j:Int> */
-/* Covariant cast for argument 0 (i) <var65:Int> isa OTHER */
-/* <var65:Int> isa OTHER */
-var68 = 1; /* easy <var65:Int> isa OTHER*/
-if (unlikely(!var68)) {
-var_class_name71 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name71);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 413);
-show_backtrace(1);
+{ /* Inline kernel#Int#+ (var_j,1l) on <var_j:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var57 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var57)) {
+var_class_name60 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name60);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
 }
-var72 = var_j + var65;
-var66 = var72;
-goto RET_LABEL67;
-RET_LABEL67:(void)0;
+var61 = var_j + 1l;
+var55 = var61;
+goto RET_LABEL56;
+RET_LABEL56:(void)0;
 }
 }
 {
-var73 = ((val* (*)(val* self, long p0, long p1))(var_str->class->vft[COLOR_standard__string__Text__substring]))(var_str, var64, var66) /* substring on <var_str:String>*/;
+var62 = ((val*(*)(val* self, long p0, long p1))(var_str->class->vft[COLOR_standard__string__Text__substring]))(var_str, 0l, var55); /* substring on <var_str:String>*/
 }
-var = var73;
+var = var62;
 goto RET_LABEL;
 }
 }
 BREAK_label: (void)0;
-var74 = 1;
 {
-var75 = standard___standard__Int___Discrete__successor(var_i, var74);
+var63 = standard___standard__Int___Discrete__successor(var_i, 1l);
 }
-var_i = var75;
+var_i = var63;
 } else {
-goto BREAK_label76;
+goto BREAK_label64;
 }
 }
-BREAK_label76: (void)0;
+BREAK_label64: (void)0;
 var = var_str;
 goto RET_LABEL;
 RET_LABEL:;
@@ -796,158 +764,137 @@ short int var3 /* : Bool for extern */;
 static val* varonce;
 val* var4 /* : String */;
 char* var5 /* : NativeString */;
-long var6 /* : Int */;
-val* var7 /* : FlatString */;
-long var8 /* : Int */;
+val* var6 /* : FlatString */;
+long var7 /* : Int */;
 long var_isinf /* var isinf: Int */;
-long var9 /* : Int */;
+short int var8 /* : Bool */;
 short int var10 /* : Bool */;
-short int var12 /* : Bool */;
-static val* varonce13;
-val* var14 /* : String */;
-char* var15 /* : NativeString */;
-long var16 /* : Int */;
-val* var17 /* : FlatString */;
-long var18 /* : Int */;
-long var19 /* : Int */;
-long var21 /* : Int */;
-short int var22 /* : Bool */;
-short int var24 /* : Bool */;
-static val* varonce25;
-val* var26 /* : String */;
-char* var27 /* : NativeString */;
+static val* varonce11;
+val* var12 /* : String */;
+char* var13 /* : NativeString */;
+val* var14 /* : FlatString */;
+long var15 /* : Int */;
+long var17 /* : Int */;
+short int var18 /* : Bool */;
+short int var20 /* : Bool */;
+static val* varonce21;
+val* var22 /* : String */;
+char* var23 /* : NativeString */;
+val* var24 /* : FlatString */;
+short int var25 /* : Bool */;
+short int var27 /* : Bool */;
 long var28 /* : Int */;
-val* var29 /* : FlatString */;
 long var30 /* : Int */;
-short int var31 /* : Bool */;
-short int var33 /* : Bool */;
-long var34 /* : Int */;
-long var36 /* : Int */;
-val* var37 /* : String */;
+val* var31 /* : String */;
 double var_f /* var f: Float */;
-long var38 /* : Int */;
 long var_i /* var i: Int */;
 long var_ /* var : Int */;
-short int var39 /* : Bool */;
-short int var41 /* : Bool */;
+short int var32 /* : Bool */;
+short int var34 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var42 /* : Bool */;
-double var43 /* : Float */;
-double var44 /* : Float */;
+short int var35 /* : Bool */;
+double var36 /* : Float */;
+short int var38 /* : Bool */;
+int cltype39;
+int idtype40;
+const char* var_class_name41;
+double var42 /* : Float */;
+long var43 /* : Int */;
+short int var44 /* : Bool */;
 short int var46 /* : Bool */;
 int cltype47;
 int idtype48;
 const char* var_class_name49;
-double var50 /* : Float */;
-long var51 /* : Int */;
-long var52 /* : Int */;
-double var53 /* : Float */;
-short int var54 /* : Bool */;
-short int var56 /* : Bool */;
-int cltype57;
-int idtype58;
-const char* var_class_name59;
+short int var50 /* : Bool */;
+double var51 /* : Float */;
+short int var53 /* : Bool */;
+int cltype54;
+int idtype55;
+const char* var_class_name56;
+double var57 /* : Float */;
+double var58 /* : Float */;
 short int var60 /* : Bool */;
-double var61 /* : Float */;
-double var62 /* : Float */;
-short int var64 /* : Bool */;
-int cltype65;
-int idtype66;
-const char* var_class_name67;
-double var68 /* : Float */;
-double var69 /* : Float */;
-double var70 /* : Float */;
-short int var72 /* : Bool */;
-int cltype73;
-int idtype74;
-const char* var_class_name75;
-double var76 /* : Float */;
-long var77 /* : Int */;
-long var79 /* : Int */;
-long var_i80 /* var i: Int */;
-long var81 /* : Int */;
-short int var82 /* : Bool */;
-short int var84 /* : Bool */;
-static val* varonce85;
-val* var86 /* : String */;
-char* var87 /* : NativeString */;
-long var88 /* : Int */;
-val* var89 /* : FlatString */;
-static val* varonce90;
-val* var91 /* : String */;
-char* var92 /* : NativeString */;
-long var93 /* : Int */;
-val* var94 /* : FlatString */;
-val* var95 /* : String */;
-val* var96 /* : String */;
-long var97 /* : Int */;
-val* var98 /* : String */;
+int cltype61;
+int idtype62;
+const char* var_class_name63;
+double var64 /* : Float */;
+long var65 /* : Int */;
+long var67 /* : Int */;
+long var_i68 /* var i: Int */;
+short int var69 /* : Bool */;
+short int var71 /* : Bool */;
+static val* varonce72;
+val* var73 /* : String */;
+char* var74 /* : NativeString */;
+val* var75 /* : FlatString */;
+static val* varonce76;
+val* var77 /* : String */;
+char* var78 /* : NativeString */;
+val* var79 /* : FlatString */;
+val* var80 /* : String */;
+val* var81 /* : String */;
+long var82 /* : Int */;
+val* var83 /* : String */;
 val* var_s /* var s: String */;
-long var99 /* : Int */;
+long var84 /* : Int */;
 long var_sl /* var sl: Int */;
-short int var100 /* : Bool */;
+short int var85 /* : Bool */;
+short int var87 /* : Bool */;
+int cltype88;
+int idtype89;
+const char* var_class_name90;
+short int var91 /* : Bool */;
+long var92 /* : Int */;
+short int var94 /* : Bool */;
+int cltype95;
+int idtype96;
+const char* var_class_name97;
+long var98 /* : Int */;
+val* var99 /* : Text */;
+val* var_p1 /* var p1: nullable Object */;
+long var100 /* : Int */;
 short int var102 /* : Bool */;
 int cltype103;
 int idtype104;
 const char* var_class_name105;
-short int var106 /* : Bool */;
-long var107 /* : Int */;
-long var108 /* : Int */;
-short int var110 /* : Bool */;
-int cltype111;
-int idtype112;
-const char* var_class_name113;
-long var114 /* : Int */;
-val* var115 /* : Text */;
-val* var_p1 /* var p1: nullable Object */;
+long var106 /* : Int */;
+val* var107 /* : Text */;
+val* var_p2 /* var p2: nullable Object */;
+static val* varonce108;
+val* var109 /* : String */;
+char* var110 /* : NativeString */;
+val* var111 /* : FlatString */;
+static val* varonce112;
+val* var113 /* : String */;
+char* var114 /* : NativeString */;
+val* var115 /* : FlatString */;
 long var116 /* : Int */;
 short int var118 /* : Bool */;
 int cltype119;
 int idtype120;
 const char* var_class_name121;
 long var122 /* : Int */;
-val* var123 /* : Text */;
-val* var_p2 /* var p2: nullable Object */;
-static val* varonce124;
-val* var125 /* : String */;
-char* var126 /* : NativeString */;
-long var127 /* : Int */;
-val* var128 /* : FlatString */;
-static val* varonce129;
-val* var130 /* : String */;
-char* var131 /* : NativeString */;
-long var132 /* : Int */;
-val* var133 /* : FlatString */;
-long var134 /* : Int */;
-short int var136 /* : Bool */;
-int cltype137;
-int idtype138;
-const char* var_class_name139;
-long var140 /* : Int */;
+val* var123 /* : String */;
+val* var124 /* : String */;
+short int var125 /* : Bool */;
+short int var127 /* : Bool */;
+int cltype128;
+int idtype129;
+const char* var_class_name130;
+short int var131 /* : Bool */;
+static val* varonce132;
+val* var133 /* : String */;
+char* var134 /* : NativeString */;
+val* var135 /* : FlatString */;
+val* var136 /* : String */;
+static val* varonce137;
+val* var138 /* : String */;
+char* var139 /* : NativeString */;
+val* var140 /* : FlatString */;
 val* var141 /* : String */;
 val* var142 /* : String */;
-long var143 /* : Int */;
-short int var144 /* : Bool */;
-short int var146 /* : Bool */;
-int cltype147;
-int idtype148;
-const char* var_class_name149;
-short int var150 /* : Bool */;
-static val* varonce151;
-val* var152 /* : String */;
-char* var153 /* : NativeString */;
-long var154 /* : Int */;
-val* var155 /* : FlatString */;
-val* var156 /* : String */;
-static val* varonce157;
-val* var158 /* : String */;
-char* var159 /* : NativeString */;
-long var160 /* : Int */;
-val* var161 /* : FlatString */;
-val* var162 /* : String */;
-val* var163 /* : String */;
 var_decimals = p0;
 {
 { /* Inline math#Float#is_nan (self) on <self:Float> */
@@ -958,13 +905,12 @@ RET_LABEL2:(void)0;
 }
 }
 if (var1){
-if (varonce) {
+if (likely(varonce!=NULL)) {
 var4 = varonce;
 } else {
 var5 = "nan";
-var6 = 3;
-var7 = standard___standard__NativeString___to_s_with_length(var5, var6);
-var4 = var7;
+var6 = standard___standard__NativeString___to_s_with_length(var5, 3l);
+var4 = var6;
 varonce = var4;
 }
 var = var4;
@@ -972,455 +918,422 @@ goto RET_LABEL;
 } else {
 }
 {
-var8 = standard__math___Float___is_inf(self);
+var7 = standard__math___Float___is_inf(self);
 }
-var_isinf = var8;
-var9 = 1;
+var_isinf = var7;
 {
-{ /* Inline kernel#Int#== (var_isinf,var9) on <var_isinf:Int> */
-var12 = var_isinf == var9;
-var10 = var12;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
+{ /* Inline kernel#Int#== (var_isinf,1l) on <var_isinf:Int> */
+var10 = var_isinf == 1l;
+var8 = var10;
+goto RET_LABEL9;
+RET_LABEL9:(void)0;
 }
 }
-if (var10){
-if (varonce13) {
-var14 = varonce13;
+if (var8){
+if (likely(varonce11!=NULL)) {
+var12 = varonce11;
 } else {
-var15 = "inf";
-var16 = 3;
-var17 = standard___standard__NativeString___to_s_with_length(var15, var16);
-var14 = var17;
-varonce13 = var14;
+var13 = "inf";
+var14 = standard___standard__NativeString___to_s_with_length(var13, 3l);
+var12 = var14;
+varonce11 = var12;
 }
-var = var14;
+var = var12;
 goto RET_LABEL;
 } else {
-var18 = 1;
 {
-{ /* Inline kernel#Int#unary - (var18) on <var18:Int> */
-var21 = -var18;
-var19 = var21;
-goto RET_LABEL20;
-RET_LABEL20:(void)0;
+{ /* Inline kernel#Int#unary - (1l) on <1l:Int> */
+var17 = -1l;
+var15 = var17;
+goto RET_LABEL16;
+RET_LABEL16:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#== (var_isinf,var19) on <var_isinf:Int> */
-var24 = var_isinf == var19;
-var22 = var24;
-goto RET_LABEL23;
-RET_LABEL23:(void)0;
+{ /* Inline kernel#Int#== (var_isinf,var15) on <var_isinf:Int> */
+var20 = var_isinf == var15;
+var18 = var20;
+goto RET_LABEL19;
+RET_LABEL19:(void)0;
 }
 }
-if (var22){
-if (varonce25) {
-var26 = varonce25;
+if (var18){
+if (likely(varonce21!=NULL)) {
+var22 = varonce21;
 } else {
-var27 = "-inf";
-var28 = 4;
-var29 = standard___standard__NativeString___to_s_with_length(var27, var28);
-var26 = var29;
-varonce25 = var26;
+var23 = "-inf";
+var24 = standard___standard__NativeString___to_s_with_length(var23, 4l);
+var22 = var24;
+varonce21 = var22;
 }
-var = var26;
+var = var22;
 goto RET_LABEL;
 } else {
 }
 }
-var30 = 0;
 {
-{ /* Inline kernel#Int#== (var_decimals,var30) on <var_decimals:Int> */
-var33 = var_decimals == var30;
-var31 = var33;
-goto RET_LABEL32;
-RET_LABEL32:(void)0;
+{ /* Inline kernel#Int#== (var_decimals,0l) on <var_decimals:Int> */
+var27 = var_decimals == 0l;
+var25 = var27;
+goto RET_LABEL26;
+RET_LABEL26:(void)0;
 }
 }
-if (var31){
+if (var25){
 {
 { /* Inline kernel#Float#to_i (self) on <self:Float> */
-var36 = (long)self;
-var34 = var36;
-goto RET_LABEL35;
-RET_LABEL35:(void)0;
+var30 = (long)self;
+var28 = var30;
+goto RET_LABEL29;
+RET_LABEL29:(void)0;
 }
 }
 {
-var37 = standard__string___Int___Object__to_s(var34);
+var31 = standard__string___Int___Object__to_s(var28);
 }
-var = var37;
+var = var31;
 goto RET_LABEL;
 } else {
 }
 var_f = self;
-var38 = 0;
-var_i = var38;
+var_i = 0l;
 var_ = var_decimals;
 for(;;) {
 {
 { /* Inline kernel#Int#< (var_i,var_) on <var_i:Int> */
 /* Covariant cast for argument 0 (i) <var_:Int> isa OTHER */
 /* <var_:Int> isa OTHER */
-var41 = 1; /* easy <var_:Int> isa OTHER*/
-if (unlikely(!var41)) {
+var34 = 1; /* easy <var_:Int> isa OTHER*/
+if (unlikely(!var34)) {
 var_class_name = type_standard__Int.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 410);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 534);
+fatal_exit(1);
 }
-var42 = var_i < var_;
-var39 = var42;
-goto RET_LABEL40;
-RET_LABEL40:(void)0;
+var35 = var_i < var_;
+var32 = var35;
+goto RET_LABEL33;
+RET_LABEL33:(void)0;
 }
 }
-if (var39){
-var43 = 10.0;
+if (var32){
 {
-{ /* Inline kernel#Float#* (var_f,var43) on <var_f:Float> */
-/* Covariant cast for argument 0 (i) <var43:Float> isa OTHER */
-/* <var43:Float> isa OTHER */
-var46 = 1; /* easy <var43:Float> isa OTHER*/
-if (unlikely(!var46)) {
-var_class_name49 = type_standard__Float.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name49);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 329);
-show_backtrace(1);
+{ /* Inline kernel#Float#* (var_f,10.0) on <var_f:Float> */
+/* Covariant cast for argument 0 (i) <10.0:Float> isa OTHER */
+/* <10.0:Float> isa OTHER */
+var38 = 1; /* easy <10.0:Float> isa OTHER*/
+if (unlikely(!var38)) {
+var_class_name41 = type_standard__Float.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name41);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 348);
+fatal_exit(1);
 }
-var50 = var_f * var43;
-var44 = var50;
-goto RET_LABEL45;
-RET_LABEL45:(void)0;
+var42 = var_f * 10.0;
+var36 = var42;
+goto RET_LABEL37;
+RET_LABEL37:(void)0;
 }
 }
-var_f = var44;
-var51 = 1;
+var_f = var36;
 {
-var52 = standard___standard__Int___Discrete__successor(var_i, var51);
+var43 = standard___standard__Int___Discrete__successor(var_i, 1l);
 }
-var_i = var52;
+var_i = var43;
 } else {
 goto BREAK_label;
 }
 }
 BREAK_label: (void)0;
-var53 = 0.0;
 {
-{ /* Inline kernel#Float#> (self,var53) on <self:Float> */
-/* Covariant cast for argument 0 (i) <var53:Float> isa OTHER */
-/* <var53:Float> isa OTHER */
-var56 = 1; /* easy <var53:Float> isa OTHER*/
-if (unlikely(!var56)) {
-var_class_name59 = type_standard__Float.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name59);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 324);
-show_backtrace(1);
+{ /* Inline kernel#Float#> (self,0.0) on <self:Float> */
+/* Covariant cast for argument 0 (i) <0.0:Float> isa OTHER */
+/* <0.0:Float> isa OTHER */
+var46 = 1; /* easy <0.0:Float> isa OTHER*/
+if (unlikely(!var46)) {
+var_class_name49 = type_standard__Float.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name49);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 343);
+fatal_exit(1);
 }
-var60 = self > var53;
-var54 = var60;
-goto RET_LABEL55;
-RET_LABEL55:(void)0;
+var50 = self > 0.0;
+var44 = var50;
+goto RET_LABEL45;
+RET_LABEL45:(void)0;
 }
 }
-if (var54){
-var61 = 0.5;
+if (var44){
 {
-{ /* Inline kernel#Float#+ (var_f,var61) on <var_f:Float> */
-/* Covariant cast for argument 0 (i) <var61:Float> isa OTHER */
-/* <var61:Float> isa OTHER */
-var64 = 1; /* easy <var61:Float> isa OTHER*/
-if (unlikely(!var64)) {
-var_class_name67 = type_standard__Float.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name67);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 326);
-show_backtrace(1);
+{ /* Inline kernel#Float#+ (var_f,0.5) on <var_f:Float> */
+/* Covariant cast for argument 0 (i) <0.5:Float> isa OTHER */
+/* <0.5:Float> isa OTHER */
+var53 = 1; /* easy <0.5:Float> isa OTHER*/
+if (unlikely(!var53)) {
+var_class_name56 = type_standard__Float.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name56);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 345);
+fatal_exit(1);
 }
-var68 = var_f + var61;
-var62 = var68;
-goto RET_LABEL63;
-RET_LABEL63:(void)0;
+var57 = var_f + 0.5;
+var51 = var57;
+goto RET_LABEL52;
+RET_LABEL52:(void)0;
 }
 }
-var_f = var62;
+var_f = var51;
 } else {
-var69 = 0.5;
 {
-{ /* Inline kernel#Float#- (var_f,var69) on <var_f:Float> */
-/* Covariant cast for argument 0 (i) <var69:Float> isa OTHER */
-/* <var69:Float> isa OTHER */
-var72 = 1; /* easy <var69:Float> isa OTHER*/
-if (unlikely(!var72)) {
-var_class_name75 = type_standard__Float.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name75);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 328);
-show_backtrace(1);
+{ /* Inline kernel#Float#- (var_f,0.5) on <var_f:Float> */
+/* Covariant cast for argument 0 (i) <0.5:Float> isa OTHER */
+/* <0.5:Float> isa OTHER */
+var60 = 1; /* easy <0.5:Float> isa OTHER*/
+if (unlikely(!var60)) {
+var_class_name63 = type_standard__Float.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name63);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 347);
+fatal_exit(1);
 }
-var76 = var_f - var69;
-var70 = var76;
-goto RET_LABEL71;
-RET_LABEL71:(void)0;
+var64 = var_f - 0.5;
+var58 = var64;
+goto RET_LABEL59;
+RET_LABEL59:(void)0;
 }
 }
-var_f = var70;
+var_f = var58;
 }
 {
 { /* Inline kernel#Float#to_i (var_f) on <var_f:Float> */
-var79 = (long)var_f;
-var77 = var79;
-goto RET_LABEL78;
-RET_LABEL78:(void)0;
+var67 = (long)var_f;
+var65 = var67;
+goto RET_LABEL66;
+RET_LABEL66:(void)0;
 }
 }
-var_i80 = var77;
-var81 = 0;
+var_i68 = var65;
 {
-{ /* Inline kernel#Int#== (var_i80,var81) on <var_i80:Int> */
-var84 = var_i80 == var81;
-var82 = var84;
-goto RET_LABEL83;
-RET_LABEL83:(void)0;
+{ /* Inline kernel#Int#== (var_i68,0l) on <var_i68:Int> */
+var71 = var_i68 == 0l;
+var69 = var71;
+goto RET_LABEL70;
+RET_LABEL70:(void)0;
 }
 }
-if (var82){
-if (varonce85) {
-var86 = varonce85;
+if (var69){
+if (likely(varonce72!=NULL)) {
+var73 = varonce72;
 } else {
-var87 = "0.";
-var88 = 2;
-var89 = standard___standard__NativeString___to_s_with_length(var87, var88);
-var86 = var89;
-varonce85 = var86;
+var74 = "0.";
+var75 = standard___standard__NativeString___to_s_with_length(var74, 2l);
+var73 = var75;
+varonce72 = var73;
 }
-if (varonce90) {
-var91 = varonce90;
+if (likely(varonce76!=NULL)) {
+var77 = varonce76;
 } else {
-var92 = "0";
-var93 = 1;
-var94 = standard___standard__NativeString___to_s_with_length(var92, var93);
-var91 = var94;
-varonce90 = var91;
+var78 = "0";
+var79 = standard___standard__NativeString___to_s_with_length(var78, 1l);
+var77 = var79;
+varonce76 = var77;
 }
 {
-var95 = ((val* (*)(val* self, long p0))(var91->class->vft[COLOR_standard__string__String___42d]))(var91, var_decimals) /* * on <var91:String>*/;
+var80 = ((val*(*)(val* self, long p0))(var77->class->vft[COLOR_standard__string__String___42d]))(var77, var_decimals); /* * on <var77:String>*/
 }
 {
-var96 = ((val* (*)(val* self, val* p0))(var86->class->vft[COLOR_standard__string__String___43d]))(var86, var95) /* + on <var86:String>*/;
+var81 = ((val*(*)(val* self, val* p0))(var73->class->vft[COLOR_standard__string__String___43d]))(var73, var80); /* + on <var73:String>*/
 }
-var = var96;
+var = var81;
 goto RET_LABEL;
 } else {
 }
 {
-var97 = standard___standard__Int___abs(var_i80);
+var82 = standard___standard__Int___abs(var_i68);
 }
 {
-var98 = standard__string___Int___Object__to_s(var97);
+var83 = standard__string___Int___Object__to_s(var82);
 }
-var_s = var98;
+var_s = var83;
 {
-var99 = ((long (*)(val* self))(var_s->class->vft[COLOR_standard__string__Text__length]))(var_s) /* length on <var_s:String>*/;
+var84 = ((long(*)(val* self))(var_s->class->vft[COLOR_standard__string__Text__length]))(var_s); /* length on <var_s:String>*/
 }
-var_sl = var99;
+var_sl = var84;
 {
 { /* Inline kernel#Int#> (var_sl,var_decimals) on <var_sl:Int> */
 /* Covariant cast for argument 0 (i) <var_decimals:Int> isa OTHER */
 /* <var_decimals:Int> isa OTHER */
-var102 = 1; /* easy <var_decimals:Int> isa OTHER*/
-if (unlikely(!var102)) {
-var_class_name105 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name105);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 412);
-show_backtrace(1);
+var87 = 1; /* easy <var_decimals:Int> isa OTHER*/
+if (unlikely(!var87)) {
+var_class_name90 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name90);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 536);
+fatal_exit(1);
 }
-var106 = var_sl > var_decimals;
-var100 = var106;
-goto RET_LABEL101;
-RET_LABEL101:(void)0;
+var91 = var_sl > var_decimals;
+var85 = var91;
+goto RET_LABEL86;
+RET_LABEL86:(void)0;
 }
 }
-if (var100){
-var107 = 0;
+if (var85){
 {
 { /* Inline kernel#Int#- (var_sl,var_decimals) on <var_sl:Int> */
 /* Covariant cast for argument 0 (i) <var_decimals:Int> isa OTHER */
 /* <var_decimals:Int> isa OTHER */
-var110 = 1; /* easy <var_decimals:Int> isa OTHER*/
-if (unlikely(!var110)) {
-var_class_name113 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name113);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 416);
-show_backtrace(1);
-}
-var114 = var_sl - var_decimals;
-var108 = var114;
-goto RET_LABEL109;
-RET_LABEL109:(void)0;
+var94 = 1; /* easy <var_decimals:Int> isa OTHER*/
+if (unlikely(!var94)) {
+var_class_name97 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name97);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 540);
+fatal_exit(1);
+}
+var98 = var_sl - var_decimals;
+var92 = var98;
+goto RET_LABEL93;
+RET_LABEL93:(void)0;
 }
 }
 {
-var115 = ((val* (*)(val* self, long p0, long p1))(var_s->class->vft[COLOR_standard__string__Text__substring]))(var_s, var107, var108) /* substring on <var_s:String>*/;
+var99 = ((val*(*)(val* self, long p0, long p1))(var_s->class->vft[COLOR_standard__string__Text__substring]))(var_s, 0l, var92); /* substring on <var_s:String>*/
 }
-var_p1 = var115;
+var_p1 = var99;
 {
 { /* Inline kernel#Int#- (var_sl,var_decimals) on <var_sl:Int> */
 /* Covariant cast for argument 0 (i) <var_decimals:Int> isa OTHER */
 /* <var_decimals:Int> isa OTHER */
-var118 = 1; /* easy <var_decimals:Int> isa OTHER*/
-if (unlikely(!var118)) {
-var_class_name121 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name121);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 416);
-show_backtrace(1);
+var102 = 1; /* easy <var_decimals:Int> isa OTHER*/
+if (unlikely(!var102)) {
+var_class_name105 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name105);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 540);
+fatal_exit(1);
 }
-var122 = var_sl - var_decimals;
-var116 = var122;
-goto RET_LABEL117;
-RET_LABEL117:(void)0;
+var106 = var_sl - var_decimals;
+var100 = var106;
+goto RET_LABEL101;
+RET_LABEL101:(void)0;
 }
 }
 {
-var123 = ((val* (*)(val* self, long p0, long p1))(var_s->class->vft[COLOR_standard__string__Text__substring]))(var_s, var116, var_decimals) /* substring on <var_s:String>*/;
+var107 = ((val*(*)(val* self, long p0, long p1))(var_s->class->vft[COLOR_standard__string__Text__substring]))(var_s, var100, var_decimals); /* substring on <var_s:String>*/
 }
-var_p2 = var123;
+var_p2 = var107;
 } else {
-if (varonce124) {
-var125 = varonce124;
+if (likely(varonce108!=NULL)) {
+var109 = varonce108;
 } else {
-var126 = "0";
-var127 = 1;
-var128 = standard___standard__NativeString___to_s_with_length(var126, var127);
-var125 = var128;
-varonce124 = var125;
+var110 = "0";
+var111 = standard___standard__NativeString___to_s_with_length(var110, 1l);
+var109 = var111;
+varonce108 = var109;
 }
-var_p1 = var125;
-if (varonce129) {
-var130 = varonce129;
+var_p1 = var109;
+if (likely(varonce112!=NULL)) {
+var113 = varonce112;
 } else {
-var131 = "0";
-var132 = 1;
-var133 = standard___standard__NativeString___to_s_with_length(var131, var132);
-var130 = var133;
-varonce129 = var130;
+var114 = "0";
+var115 = standard___standard__NativeString___to_s_with_length(var114, 1l);
+var113 = var115;
+varonce112 = var113;
 }
 {
 { /* Inline kernel#Int#- (var_decimals,var_sl) on <var_decimals:Int> */
 /* Covariant cast for argument 0 (i) <var_sl:Int> isa OTHER */
 /* <var_sl:Int> isa OTHER */
-var136 = 1; /* easy <var_sl:Int> isa OTHER*/
-if (unlikely(!var136)) {
-var_class_name139 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name139);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 416);
-show_backtrace(1);
+var118 = 1; /* easy <var_sl:Int> isa OTHER*/
+if (unlikely(!var118)) {
+var_class_name121 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name121);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 540);
+fatal_exit(1);
 }
-var140 = var_decimals - var_sl;
-var134 = var140;
-goto RET_LABEL135;
-RET_LABEL135:(void)0;
+var122 = var_decimals - var_sl;
+var116 = var122;
+goto RET_LABEL117;
+RET_LABEL117:(void)0;
 }
 }
 {
-var141 = ((val* (*)(val* self, long p0))(var130->class->vft[COLOR_standard__string__String___42d]))(var130, var134) /* * on <var130:String>*/;
+var123 = ((val*(*)(val* self, long p0))(var113->class->vft[COLOR_standard__string__String___42d]))(var113, var116); /* * on <var113:String>*/
 }
 {
-var142 = ((val* (*)(val* self, val* p0))(var141->class->vft[COLOR_standard__string__String___43d]))(var141, var_s) /* + on <var141:String>*/;
+var124 = ((val*(*)(val* self, val* p0))(var123->class->vft[COLOR_standard__string__String___43d]))(var123, var_s); /* + on <var123:String>*/
 }
-var_p2 = var142;
+var_p2 = var124;
 }
-var143 = 0;
 {
-{ /* Inline kernel#Int#< (var_i80,var143) on <var_i80:Int> */
-/* Covariant cast for argument 0 (i) <var143:Int> isa OTHER */
-/* <var143:Int> isa OTHER */
-var146 = 1; /* easy <var143:Int> isa OTHER*/
-if (unlikely(!var146)) {
-var_class_name149 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name149);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 410);
-show_backtrace(1);
+{ /* Inline kernel#Int#< (var_i68,0l) on <var_i68:Int> */
+/* Covariant cast for argument 0 (i) <0l:Int> isa OTHER */
+/* <0l:Int> isa OTHER */
+var127 = 1; /* easy <0l:Int> isa OTHER*/
+if (unlikely(!var127)) {
+var_class_name130 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name130);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 534);
+fatal_exit(1);
 }
-var150 = var_i80 < var143;
-var144 = var150;
-goto RET_LABEL145;
-RET_LABEL145:(void)0;
+var131 = var_i68 < 0l;
+var125 = var131;
+goto RET_LABEL126;
+RET_LABEL126:(void)0;
 }
 }
-if (var144){
-if (varonce151) {
-var152 = varonce151;
+if (var125){
+if (likely(varonce132!=NULL)) {
+var133 = varonce132;
 } else {
-var153 = "-";
-var154 = 1;
-var155 = standard___standard__NativeString___to_s_with_length(var153, var154);
-var152 = var155;
-varonce151 = var152;
+var134 = "-";
+var135 = standard___standard__NativeString___to_s_with_length(var134, 1l);
+var133 = var135;
+varonce132 = var133;
 }
 {
-var156 = ((val* (*)(val* self, val* p0))(var152->class->vft[COLOR_standard__string__String___43d]))(var152, var_p1) /* + on <var152:String>*/;
+var136 = ((val*(*)(val* self, val* p0))(var133->class->vft[COLOR_standard__string__String___43d]))(var133, var_p1); /* + on <var133:String>*/
 }
-var_p1 = var156;
+var_p1 = var136;
 } else {
 }
-if (varonce157) {
-var158 = varonce157;
+if (likely(varonce137!=NULL)) {
+var138 = varonce137;
 } else {
-var159 = ".";
-var160 = 1;
-var161 = standard___standard__NativeString___to_s_with_length(var159, var160);
-var158 = var161;
-varonce157 = var158;
+var139 = ".";
+var140 = standard___standard__NativeString___to_s_with_length(var139, 1l);
+var138 = var140;
+varonce137 = var138;
 }
 {
-var162 = ((val* (*)(val* self, val* p0))(var_p1->class->vft[COLOR_standard__string__String___43d]))(var_p1, var158) /* + on <var_p1:nullable Object(String)>*/;
+var141 = ((val*(*)(val* self, val* p0))(var_p1->class->vft[COLOR_standard__string__String___43d]))(var_p1, var138); /* + on <var_p1:nullable Object(String)>*/
 }
 {
-var163 = ((val* (*)(val* self, val* p0))(var162->class->vft[COLOR_standard__string__String___43d]))(var162, var_p2) /* + on <var162:String>*/;
+var142 = ((val*(*)(val* self, val* p0))(var141->class->vft[COLOR_standard__string__String___43d]))(var141, var_p2); /* + on <var141:String>*/
 }
-var = var163;
+var = var142;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
 /* method string#Char#to_s for (self: Char): String */
-val* standard__string___Char___Object__to_s(char self) {
+val* standard__string___Char___Object__to_s(uint32_t self) {
 val* var /* : String */;
-val* var1 /* : FlatBuffer */;
-long var2 /* : Int */;
-val* var_s /* var s: FlatBuffer */;
-val* var3 /* : Sequence[Char] */;
-val* var5 /* : Sequence[Char] */;
-long var6 /* : Int */;
-val* var7 /* : nullable Object */;
-val* var8 /* : String */;
-var1 = NEW_standard__FlatBuffer(&type_standard__FlatBuffer);
-var2 = 1;
+val* var1 /* : Buffer */;
+val* var2 /* : Buffer */;
+val* var_s /* var s: Buffer */;
+val* var3 /* : SequenceRead[Char] */;
+val* var4 /* : nullable Object */;
+val* var5 /* : String */;
+var1 = NEW_standard__Buffer(&type_standard__Buffer);
 {
-standard___standard__FlatBuffer___with_capacity(var1, var2); /* Direct call string#FlatBuffer#with_capacity on <var1:FlatBuffer>*/
+var2 = standard___standard__Buffer___with_cap(var1, 1l);
 }
-var_s = var1;
+var_s = var2;
 {
-{ /* Inline string#FlatBuffer#chars (var_s) on <var_s:FlatBuffer> */
-var5 = var_s->attrs[COLOR_standard__string__FlatBuffer___chars].val; /* _chars on <var_s:FlatBuffer> */
-if (unlikely(var5 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _chars");
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 1525);
-show_backtrace(1);
+var3 = ((val*(*)(val* self))(var_s->class->vft[COLOR_standard__string__Text__chars]))(var_s); /* chars on <var_s:Buffer>*/
 }
-var3 = var5;
-RET_LABEL4:(void)0;
-}
-}
-var6 = 0;
 {
-var7 = BOX_standard__Char(self); /* autobox from Char to nullable Object */
-((void (*)(val* self, long p0, val* p1))(var3->class->vft[COLOR_standard__abstract_collection__Sequence___91d_93d_61d]))(var3, var6, var7) /* []= on <var3:Sequence[Char]>*/;
+var4 = (val*)((long)(self)<<2|2);
+((void(*)(val* self, long p0, val* p1))((((long)var3&3)?class_info[((long)var3&3)]:var3->class)->vft[COLOR_standard__abstract_collection__Sequence___91d_93d_61d]))(var3, 0l, var4); /* []= on <var3:SequenceRead[Char](Sequence[Char])>*/
 }
 {
-var8 = standard___standard__FlatBuffer___Object__to_s(var_s);
+var5 = ((val*(*)(val* self))(var_s->class->vft[COLOR_standard__string__Object__to_s]))(var_s); /* to_s on <var_s:Buffer>*/
 }
-var = var8;
+var = var5;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
@@ -1429,71 +1342,67 @@ return var;
 val* VIRTUAL_standard__string___Char___Object__to_s(val* self) {
 val* var /* : String */;
 val* var1 /* : String */;
-char var2 /* : Char */;
-var2 = ((struct instance_standard__Char*)self)->value; /* autounbox from Object to Char */;
+uint32_t var2 /* : Char */;
+var2 = (uint32_t)((long)(self)>>2);
 var1 = standard__string___Char___Object__to_s(var2);
 var = var1;
 RET_LABEL:;
 return var;
 }
 /* method string#Char#is_numeric for (self: Char): Bool */
-short int standard__string___Char___is_numeric(char self) {
+short int standard__string___Char___is_numeric(uint32_t self) {
 short int var /* : Bool */;
 short int var1 /* : Bool */;
-char var2 /* : Char */;
-short int var3 /* : Bool */;
-short int var5 /* : Bool */;
+short int var2 /* : Bool */;
+short int var4 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var6 /* : Bool */;
+short int var5 /* : Bool */;
 short int var_ /* var : Bool */;
-char var7 /* : Char */;
+short int var6 /* : Bool */;
 short int var8 /* : Bool */;
-short int var10 /* : Bool */;
-int cltype11;
-int idtype12;
-const char* var_class_name13;
-short int var14 /* : Bool */;
-var2 = '0';
+int cltype9;
+int idtype10;
+const char* var_class_name11;
+short int var12 /* : Bool */;
 {
-{ /* Inline kernel#Char#>= (self,var2) on <self:Char> */
-/* Covariant cast for argument 0 (i) <var2:Char> isa OTHER */
-/* <var2:Char> isa OTHER */
-var5 = 1; /* easy <var2:Char> isa OTHER*/
-if (unlikely(!var5)) {
+{ /* Inline kernel#Char#>= (self,'0') on <self:Char> */
+/* Covariant cast for argument 0 (i) <'0':Char> isa OTHER */
+/* <'0':Char> isa OTHER */
+var4 = 1; /* easy <'0':Char> isa OTHER*/
+if (unlikely(!var4)) {
 var_class_name = type_standard__Char.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 593);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 724);
+fatal_exit(1);
 }
-var6 = self >= var2;
-var3 = var6;
-goto RET_LABEL4;
-RET_LABEL4:(void)0;
+var5 = self >= '0';
+var2 = var5;
+goto RET_LABEL3;
+RET_LABEL3:(void)0;
 }
 }
-var_ = var3;
-if (var3){
-var7 = '9';
+var_ = var2;
+if (var2){
 {
-{ /* Inline kernel#Char#<= (self,var7) on <self:Char> */
-/* Covariant cast for argument 0 (i) <var7:Char> isa OTHER */
-/* <var7:Char> isa OTHER */
-var10 = 1; /* easy <var7:Char> isa OTHER*/
-if (unlikely(!var10)) {
-var_class_name13 = type_standard__Char.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name13);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 591);
-show_backtrace(1);
+{ /* Inline kernel#Char#<= (self,'9') on <self:Char> */
+/* Covariant cast for argument 0 (i) <'9':Char> isa OTHER */
+/* <'9':Char> isa OTHER */
+var8 = 1; /* easy <'9':Char> isa OTHER*/
+if (unlikely(!var8)) {
+var_class_name11 = type_standard__Char.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name11);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 722);
+fatal_exit(1);
 }
-var14 = self <= var7;
-var8 = var14;
-goto RET_LABEL9;
-RET_LABEL9:(void)0;
+var12 = self <= '9';
+var6 = var12;
+goto RET_LABEL7;
+RET_LABEL7:(void)0;
 }
 }
-var1 = var8;
+var1 = var6;
 } else {
 var1 = var_;
 }
@@ -1505,68 +1414,70 @@ return var;
 /* method string#Collection#to_s for (self: Collection[nullable Object]): String */
 val* standard__string___Collection___Object__to_s(val* self) {
 val* var /* : String */;
-val* var1 /* : FlatBuffer */;
-val* var_s /* var s: FlatBuffer */;
+val* var1 /* : String */;
+{
+var1 = ((val*(*)(val* self))((((long)self&3)?class_info[((long)self&3)]:self->class)->vft[COLOR_standard__string__Collection__plain_to_s]))(self); /* plain_to_s on <self:Collection[nullable Object]>*/
+}
+var = var1;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#Collection#plain_to_s for (self: Collection[nullable Object]): String */
+val* standard__string___Collection___plain_to_s(val* self) {
+val* var /* : String */;
+val* var1 /* : Buffer */;
+val* var2 /* : Buffer */;
+val* var_s /* var s: Buffer */;
 val* var_ /* var : Collection[nullable Object] */;
 val* var3 /* : Iterator[nullable Object] */;
 val* var_4 /* var : Iterator[nullable Object] */;
 short int var5 /* : Bool */;
 val* var6 /* : nullable Object */;
 val* var_e /* var e: nullable Object */;
-val* var7 /* : null */;
+short int var7 /* : Bool */;
 short int var8 /* : Bool */;
-short int var9 /* : Bool */;
+val* var9 /* : String */;
 val* var10 /* : String */;
-val* var12 /* : String */;
-var1 = NEW_standard__FlatBuffer(&type_standard__FlatBuffer);
-{
-{ /* Inline string#FlatBuffer#init (var1) on <var1:FlatBuffer> */
+var1 = NEW_standard__Buffer(&type_standard__Buffer);
 {
-((void (*)(val* self))(var1->class->vft[COLOR_standard___standard__FlatBuffer___standard__kernel__Object__init]))(var1) /* init on <var1:FlatBuffer>*/;
-}
-RET_LABEL2:(void)0;
+var2 = standard___standard__Buffer___new(var1);
 }
-}
-var_s = var1;
+var_s = var2;
 var_ = self;
 {
-var3 = ((val* (*)(val* self))(var_->class->vft[COLOR_standard__abstract_collection__Collection__iterator]))(var_) /* iterator on <var_:Collection[nullable Object]>*/;
+var3 = ((val*(*)(val* self))((((long)var_&3)?class_info[((long)var_&3)]:var_->class)->vft[COLOR_standard__abstract_collection__Collection__iterator]))(var_); /* iterator on <var_:Collection[nullable Object]>*/
 }
 var_4 = var3;
 for(;;) {
 {
-var5 = ((short int (*)(val* self))(var_4->class->vft[COLOR_standard__abstract_collection__Iterator__is_ok]))(var_4) /* is_ok on <var_4:Iterator[nullable Object]>*/;
+var5 = ((short int(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_standard__abstract_collection__Iterator__is_ok]))(var_4); /* is_ok on <var_4:Iterator[nullable Object]>*/
 }
 if (var5){
 {
-var6 = ((val* (*)(val* self))(var_4->class->vft[COLOR_standard__abstract_collection__Iterator__item]))(var_4) /* item on <var_4:Iterator[nullable Object]>*/;
+var6 = ((val*(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_standard__abstract_collection__Iterator__item]))(var_4); /* item on <var_4:Iterator[nullable Object]>*/
 }
 var_e = var6;
-var7 = NULL;
 if (var_e == NULL) {
-var8 = 0; /* is null */
+var7 = 0; /* is null */
 } else {
-var8 = 1; /* arg is null and recv is not */
+var7 = 1; /* arg is null and recv is not */
 }
 if (0) {
-var9 = ((short int (*)(val* self, val* p0))(var_e->class->vft[COLOR_standard__kernel__Object___33d_61d]))(var_e, var7) /* != on <var_e:nullable Object>*/;
-var8 = var9;
+var8 = ((short int(*)(val* self, val* p0))((((long)var_e&3)?class_info[((long)var_e&3)]:var_e->class)->vft[COLOR_standard__kernel__Object___33d_61d]))(var_e, ((val*)NULL)); /* != on <var_e:nullable Object>*/
+var7 = var8;
 }
-if (var8){
-if (var_e == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2070);
-show_backtrace(1);
-} else {
-var10 = ((val* (*)(val* self))(var_e->class->vft[COLOR_standard__string__Object__to_s]))(var_e) /* to_s on <var_e:nullable Object>*/;
+if (var7){
+{
+var9 = ((val*(*)(val* self))((((long)var_e&3)?class_info[((long)var_e&3)]:var_e->class)->vft[COLOR_standard__string__Object__to_s]))(var_e); /* to_s on <var_e:nullable Object(Object)>*/
 }
 {
-standard___standard__FlatBuffer___Buffer__append(var_s, var10); /* Direct call string#FlatBuffer#append on <var_s:FlatBuffer>*/
+((void(*)(val* self, val* p0))(var_s->class->vft[COLOR_standard__string__Buffer__append]))(var_s, var9); /* append on <var_s:Buffer>*/
 }
 } else {
 }
 {
-((void (*)(val* self))(var_4->class->vft[COLOR_standard__abstract_collection__Iterator__next]))(var_4) /* next on <var_4:Iterator[nullable Object]>*/;
+((void(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_standard__abstract_collection__Iterator__next]))(var_4); /* next on <var_4:Iterator[nullable Object]>*/
 }
 } else {
 goto BREAK_label;
@@ -1574,14 +1485,12 @@ goto BREAK_label;
 }
 BREAK_label: (void)0;
 {
-{ /* Inline abstract_collection#Iterator#finish (var_4) on <var_4:Iterator[nullable Object]> */
-RET_LABEL11:(void)0;
-}
+((void(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_standard__abstract_collection__Iterator__finish]))(var_4); /* finish on <var_4:Iterator[nullable Object]>*/
 }
 {
-var12 = standard___standard__FlatBuffer___Object__to_s(var_s);
+var10 = ((val*(*)(val* self))(var_s->class->vft[COLOR_standard__string__Object__to_s]))(var_s); /* to_s on <var_s:Buffer>*/
 }
-var = var12;
+var = var10;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
@@ -1594,124 +1503,106 @@ short int var1 /* : Bool */;
 static val* varonce;
 val* var2 /* : String */;
 char* var3 /* : NativeString */;
-long var4 /* : Int */;
-val* var5 /* : FlatString */;
-val* var6 /* : FlatBuffer */;
-val* var_s /* var s: FlatBuffer */;
-val* var8 /* : Iterator[nullable Object] */;
+val* var4 /* : FlatString */;
+val* var5 /* : Buffer */;
+val* var6 /* : Buffer */;
+val* var_s /* var s: Buffer */;
+val* var7 /* : Iterator[nullable Object] */;
 val* var_i /* var i: Iterator[nullable Object] */;
-val* var9 /* : nullable Object */;
+val* var8 /* : nullable Object */;
 val* var_e /* var e: nullable Object */;
-val* var10 /* : null */;
-short int var11 /* : Bool */;
+short int var9 /* : Bool */;
+short int var10 /* : Bool */;
+val* var11 /* : String */;
 short int var12 /* : Bool */;
-val* var13 /* : String */;
+val* var13 /* : nullable Object */;
 short int var14 /* : Bool */;
-val* var15 /* : nullable Object */;
-val* var16 /* : null */;
-short int var17 /* : Bool */;
-short int var18 /* : Bool */;
-val* var19 /* : String */;
-val* var20 /* : String */;
+short int var15 /* : Bool */;
+val* var16 /* : String */;
+val* var17 /* : String */;
 var_sep = p0;
 {
-var1 = ((short int (*)(val* self))(self->class->vft[COLOR_standard__abstract_collection__Collection__is_empty]))(self) /* is_empty on <self:Collection[nullable Object]>*/;
+var1 = ((short int(*)(val* self))((((long)self&3)?class_info[((long)self&3)]:self->class)->vft[COLOR_standard__abstract_collection__Collection__is_empty]))(self); /* is_empty on <self:Collection[nullable Object]>*/
 }
 if (var1){
-if (varonce) {
+if (likely(varonce!=NULL)) {
 var2 = varonce;
 } else {
 var3 = "";
-var4 = 0;
-var5 = standard___standard__NativeString___to_s_with_length(var3, var4);
-var2 = var5;
+var4 = standard___standard__NativeString___to_s_with_length(var3, 0l);
+var2 = var4;
 varonce = var2;
 }
 var = var2;
 goto RET_LABEL;
 } else {
 }
-var6 = NEW_standard__FlatBuffer(&type_standard__FlatBuffer);
-{
-{ /* Inline string#FlatBuffer#init (var6) on <var6:FlatBuffer> */
+var5 = NEW_standard__Buffer(&type_standard__Buffer);
 {
-((void (*)(val* self))(var6->class->vft[COLOR_standard___standard__FlatBuffer___standard__kernel__Object__init]))(var6) /* init on <var6:FlatBuffer>*/;
-}
-RET_LABEL7:(void)0;
-}
+var6 = standard___standard__Buffer___new(var5);
 }
 var_s = var6;
 {
-var8 = ((val* (*)(val* self))(self->class->vft[COLOR_standard__abstract_collection__Collection__iterator]))(self) /* iterator on <self:Collection[nullable Object]>*/;
+var7 = ((val*(*)(val* self))((((long)self&3)?class_info[((long)self&3)]:self->class)->vft[COLOR_standard__abstract_collection__Collection__iterator]))(self); /* iterator on <self:Collection[nullable Object]>*/
 }
-var_i = var8;
+var_i = var7;
 {
-var9 = ((val* (*)(val* self))(var_i->class->vft[COLOR_standard__abstract_collection__Iterator__item]))(var_i) /* item on <var_i:Iterator[nullable Object]>*/;
+var8 = ((val*(*)(val* self))((((long)var_i&3)?class_info[((long)var_i&3)]:var_i->class)->vft[COLOR_standard__abstract_collection__Iterator__item]))(var_i); /* item on <var_i:Iterator[nullable Object]>*/
 }
-var_e = var9;
-var10 = NULL;
+var_e = var8;
 if (var_e == NULL) {
-var11 = 0; /* is null */
+var9 = 0; /* is null */
 } else {
-var11 = 1; /* arg is null and recv is not */
+var9 = 1; /* arg is null and recv is not */
 }
 if (0) {
-var12 = ((short int (*)(val* self, val* p0))(var_e->class->vft[COLOR_standard__kernel__Object___33d_61d]))(var_e, var10) /* != on <var_e:nullable Object>*/;
-var11 = var12;
+var10 = ((short int(*)(val* self, val* p0))((((long)var_e&3)?class_info[((long)var_e&3)]:var_e->class)->vft[COLOR_standard__kernel__Object___33d_61d]))(var_e, ((val*)NULL)); /* != on <var_e:nullable Object>*/
+var9 = var10;
 }
-if (var11){
-if (var_e == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2087);
-show_backtrace(1);
-} else {
-var13 = ((val* (*)(val* self))(var_e->class->vft[COLOR_standard__string__Object__to_s]))(var_e) /* to_s on <var_e:nullable Object>*/;
+if (var9){
+{
+var11 = ((val*(*)(val* self))((((long)var_e&3)?class_info[((long)var_e&3)]:var_e->class)->vft[COLOR_standard__string__Object__to_s]))(var_e); /* to_s on <var_e:nullable Object(Object)>*/
 }
 {
-standard___standard__FlatBuffer___Buffer__append(var_s, var13); /* Direct call string#FlatBuffer#append on <var_s:FlatBuffer>*/
+((void(*)(val* self, val* p0))(var_s->class->vft[COLOR_standard__string__Buffer__append]))(var_s, var11); /* append on <var_s:Buffer>*/
 }
 } else {
 }
 {
-((void (*)(val* self))(var_i->class->vft[COLOR_standard__abstract_collection__Iterator__next]))(var_i) /* next on <var_i:Iterator[nullable Object]>*/;
+((void(*)(val* self))((((long)var_i&3)?class_info[((long)var_i&3)]:var_i->class)->vft[COLOR_standard__abstract_collection__Iterator__next]))(var_i); /* next on <var_i:Iterator[nullable Object]>*/
 }
 for(;;) {
 {
-var14 = ((short int (*)(val* self))(var_i->class->vft[COLOR_standard__abstract_collection__Iterator__is_ok]))(var_i) /* is_ok on <var_i:Iterator[nullable Object]>*/;
+var12 = ((short int(*)(val* self))((((long)var_i&3)?class_info[((long)var_i&3)]:var_i->class)->vft[COLOR_standard__abstract_collection__Iterator__is_ok]))(var_i); /* is_ok on <var_i:Iterator[nullable Object]>*/
 }
-if (var14){
+if (var12){
 {
-standard___standard__FlatBuffer___Buffer__append(var_s, var_sep); /* Direct call string#FlatBuffer#append on <var_s:FlatBuffer>*/
+((void(*)(val* self, val* p0))(var_s->class->vft[COLOR_standard__string__Buffer__append]))(var_s, var_sep); /* append on <var_s:Buffer>*/
 }
 {
-var15 = ((val* (*)(val* self))(var_i->class->vft[COLOR_standard__abstract_collection__Iterator__item]))(var_i) /* item on <var_i:Iterator[nullable Object]>*/;
+var13 = ((val*(*)(val* self))((((long)var_i&3)?class_info[((long)var_i&3)]:var_i->class)->vft[COLOR_standard__abstract_collection__Iterator__item]))(var_i); /* item on <var_i:Iterator[nullable Object]>*/
 }
-var_e = var15;
-var16 = NULL;
+var_e = var13;
 if (var_e == NULL) {
-var17 = 0; /* is null */
+var14 = 0; /* is null */
 } else {
-var17 = 1; /* arg is null and recv is not */
+var14 = 1; /* arg is null and recv is not */
 }
 if (0) {
-var18 = ((short int (*)(val* self, val* p0))(var_e->class->vft[COLOR_standard__kernel__Object___33d_61d]))(var_e, var16) /* != on <var_e:nullable Object>*/;
-var17 = var18;
+var15 = ((short int(*)(val* self, val* p0))((((long)var_e&3)?class_info[((long)var_e&3)]:var_e->class)->vft[COLOR_standard__kernel__Object___33d_61d]))(var_e, ((val*)NULL)); /* != on <var_e:nullable Object>*/
+var14 = var15;
 }
-if (var17){
-if (var_e == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2094);
-show_backtrace(1);
-} else {
-var19 = ((val* (*)(val* self))(var_e->class->vft[COLOR_standard__string__Object__to_s]))(var_e) /* to_s on <var_e:nullable Object>*/;
+if (var14){
+{
+var16 = ((val*(*)(val* self))((((long)var_e&3)?class_info[((long)var_e&3)]:var_e->class)->vft[COLOR_standard__string__Object__to_s]))(var_e); /* to_s on <var_e:nullable Object(Object)>*/
 }
 {
-standard___standard__FlatBuffer___Buffer__append(var_s, var19); /* Direct call string#FlatBuffer#append on <var_s:FlatBuffer>*/
+((void(*)(val* self, val* p0))(var_s->class->vft[COLOR_standard__string__Buffer__append]))(var_s, var16); /* append on <var_s:Buffer>*/
 }
 } else {
 }
 {
-((void (*)(val* self))(var_i->class->vft[COLOR_standard__abstract_collection__Iterator__next]))(var_i) /* next on <var_i:Iterator[nullable Object]>*/;
+((void(*)(val* self))((((long)var_i&3)?class_info[((long)var_i&3)]:var_i->class)->vft[COLOR_standard__abstract_collection__Iterator__next]))(var_i); /* next on <var_i:Iterator[nullable Object]>*/
 }
 } else {
 goto BREAK_label;
@@ -1719,172 +1610,153 @@ goto BREAK_label;
 }
 BREAK_label: (void)0;
 {
-var20 = standard___standard__FlatBuffer___Object__to_s(var_s);
+var17 = ((val*(*)(val* self))(var_s->class->vft[COLOR_standard__string__Object__to_s]))(var_s); /* to_s on <var_s:Buffer>*/
 }
-var = var20;
+var = var17;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#Array#to_s for (self: Array[nullable Object]): String */
-val* standard__string___Array___Object__to_s(val* self) {
+/* method string#Array#plain_to_s for (self: Array[nullable Object]): String */
+val* standard__string___Array___Collection__plain_to_s(val* self) {
 val* var /* : String */;
 long var1 /* : Int */;
 long var3 /* : Int */;
 long var_l /* var l: Int */;
-long var4 /* : Int */;
-short int var5 /* : Bool */;
-short int var7 /* : Bool */;
+short int var4 /* : Bool */;
+short int var6 /* : Bool */;
 static val* varonce;
-val* var8 /* : String */;
-char* var9 /* : NativeString */;
-long var10 /* : Int */;
-val* var11 /* : FlatString */;
-long var12 /* : Int */;
-short int var13 /* : Bool */;
+val* var7 /* : String */;
+char* var8 /* : NativeString */;
+val* var9 /* : FlatString */;
+short int var10 /* : Bool */;
+short int var12 /* : Bool */;
+val* var13 /* : nullable Object */;
+short int var14 /* : Bool */;
 short int var15 /* : Bool */;
-long var16 /* : Int */;
-val* var17 /* : nullable Object */;
-val* var18 /* : null */;
-short int var19 /* : Bool */;
-short int var20 /* : Bool */;
-static val* varonce21;
-val* var22 /* : String */;
-char* var23 /* : NativeString */;
-long var24 /* : Int */;
-val* var25 /* : FlatString */;
-long var26 /* : Int */;
-val* var27 /* : nullable Object */;
-val* var28 /* : String */;
-val* var29 /* : nullable NativeArray[nullable Object] */;
+static val* varonce16;
+val* var17 /* : String */;
+char* var18 /* : NativeString */;
+val* var19 /* : FlatString */;
+val* var20 /* : nullable Object */;
+val* var21 /* : String */;
+val* var22 /* : nullable NativeArray[nullable Object] */;
 val* var_its /* var its: nullable NativeArray[nullable Object] */;
-val* var30 /* : NativeArray[String] */;
+val* var23 /* : NativeArray[String] */;
 val* var_na /* var na: NativeArray[String] */;
-long var31 /* : Int */;
 long var_i /* var i: Int */;
-long var32 /* : Int */;
 long var_sl /* var sl: Int */;
-long var33 /* : Int */;
 long var_mypos /* var mypos: Int */;
-short int var34 /* : Bool */;
-short int var36 /* : Bool */;
+short int var24 /* : Bool */;
+short int var26 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var37 /* : Bool */;
-val* var38 /* : nullable Object */;
-val* var40 /* : nullable Object */;
+short int var27 /* : Bool */;
+val* var28 /* : nullable Object */;
+val* var30 /* : Object */;
 val* var_itsi /* var itsi: nullable Object */;
-val* var41 /* : null */;
-short int var42 /* : Bool */;
-short int var43 /* : Bool */;
-long var44 /* : Int */;
-long var45 /* : Int */;
-short int var47 /* : Bool */;
-int cltype48;
-int idtype49;
-const char* var_class_name50;
-long var51 /* : Int */;
-val* var52 /* : String */;
+short int var31 /* : Bool */;
+short int var32 /* : Bool */;
+long var33 /* : Int */;
+short int var35 /* : Bool */;
+int cltype36;
+int idtype37;
+const char* var_class_name38;
+long var39 /* : Int */;
+val* var40 /* : String */;
 val* var_tmp /* var tmp: String */;
-long var53 /* : Int */;
+long var41 /* : Int */;
+long var42 /* : Int */;
+short int var44 /* : Bool */;
+int cltype45;
+int idtype46;
+const char* var_class_name47;
+long var48 /* : Int */;
+short int var50 /* : Bool */;
+int cltype51;
+int idtype52;
+const struct type* type_struct;
+const char* var_class_name53;
 long var54 /* : Int */;
 short int var56 /* : Bool */;
 int cltype57;
 int idtype58;
 const char* var_class_name59;
 long var60 /* : Int */;
-short int var62 /* : Bool */;
-int cltype63;
-int idtype64;
-const struct type* type_struct;
-const char* var_class_name65;
-long var66 /* : Int */;
+long var61 /* : Int */;
+short int var63 /* : Bool */;
+int cltype64;
+int idtype65;
+const char* var_class_name66;
 long var67 /* : Int */;
-short int var69 /* : Bool */;
-int cltype70;
-int idtype71;
-const char* var_class_name72;
-long var73 /* : Int */;
-long var74 /* : Int */;
-long var75 /* : Int */;
-short int var77 /* : Bool */;
-int cltype78;
-int idtype79;
-const char* var_class_name80;
-long var81 /* : Int */;
-char* var83 /* : NativeString */;
-long var84 /* : Int */;
-long var85 /* : Int */;
-short int var87 /* : Bool */;
-int cltype88;
-int idtype89;
-const char* var_class_name90;
-long var91 /* : Int */;
-char* var92 /* : NativeString */;
-char* var94 /* : NativeString */;
+char* var69 /* : NativeString */;
+long var70 /* : Int */;
+short int var72 /* : Bool */;
+int cltype73;
+int idtype74;
+const char* var_class_name75;
+long var76 /* : Int */;
+char* var77 /* : NativeString */;
+char* var79 /* : NativeString */;
 char* var_ns /* var ns: NativeString */;
-char var95 /* : Char */;
-long var97 /* : Int */;
-long var98 /* : Int */;
 long var_off /* var off: Int */;
-short int var99 /* : Bool */;
-short int var101 /* : Bool */;
-int cltype102;
-int idtype103;
-const char* var_class_name104;
-short int var105 /* : Bool */;
-val* var106 /* : nullable Object */;
-val* var108 /* : String */;
-val* var_tmp109 /* var tmp: String */;
-long var110 /* : Int */;
+short int var81 /* : Bool */;
+short int var83 /* : Bool */;
+int cltype84;
+int idtype85;
+const char* var_class_name86;
+short int var87 /* : Bool */;
+val* var88 /* : nullable Object */;
+val* var90 /* : Object */;
+val* var_tmp91 /* var tmp: String */;
+long var92 /* : Int */;
 long var_tpl /* var tpl: Int */;
-short int var111 /* : Bool */;
-int cltype112;
-int idtype113;
-char* var114 /* : NativeString */;
-char* var116 /* : NativeString */;
-long var117 /* : Int */;
+short int var93 /* : Bool */;
+int cltype94;
+int idtype95;
+char* var96 /* : NativeString */;
+char* var98 /* : NativeString */;
+long var99 /* : Int */;
+long var101 /* : Int */;
+long var103 /* : Int */;
+short int var105 /* : Bool */;
+int cltype106;
+int idtype107;
+const char* var_class_name108;
+long var109 /* : Int */;
+val* var110 /* : Iterator[FlatText] */;
+val* var_ /* var : Iterator[FlatText] */;
+val* var111 /* : Iterator[nullable Object] */;
+val* var_112 /* var : Iterator[FlatText] */;
+short int var113 /* : Bool */;
+val* var114 /* : nullable Object */;
+val* var_j /* var j: FlatText */;
+short int var115 /* : Bool */;
+int cltype116;
+int idtype117;
+const char* var_class_name118;
+val* var_s /* var s: FlatString */;
 long var119 /* : Int */;
 long var121 /* : Int */;
-short int var123 /* : Bool */;
-int cltype124;
-int idtype125;
-const char* var_class_name126;
+long var_slen /* var slen: Int */;
+char* var122 /* : NativeString */;
+char* var124 /* : NativeString */;
+long var125 /* : Int */;
 long var127 /* : Int */;
-val* var128 /* : Iterator[Text] */;
-val* var_ /* var : Iterator[String] */;
-val* var129 /* : Iterator[nullable Object] */;
-val* var_130 /* var : Iterator[String] */;
+long var129 /* : Int */;
 short int var131 /* : Bool */;
-val* var132 /* : nullable Object */;
-val* var_j /* var j: String */;
-short int var133 /* : Bool */;
-int cltype134;
-int idtype135;
-const char* var_class_name136;
-val* var_s /* var s: FlatString */;
+int cltype132;
+int idtype133;
+const char* var_class_name134;
+long var135 /* : Int */;
 long var137 /* : Int */;
-long var139 /* : Int */;
-long var_slen /* var slen: Int */;
-char* var140 /* : NativeString */;
-char* var142 /* : NativeString */;
+short int var139 /* : Bool */;
+int cltype140;
+int idtype141;
+const char* var_class_name142;
 long var143 /* : Int */;
-long var145 /* : Int */;
-long var147 /* : Int */;
-short int var149 /* : Bool */;
-int cltype150;
-int idtype151;
-const char* var_class_name152;
-long var153 /* : Int */;
-long var156 /* : Int */;
-long var157 /* : Int */;
-short int var159 /* : Bool */;
-int cltype160;
-int idtype161;
-const char* var_class_name162;
-long var163 /* : Int */;
-val* var165 /* : FlatString */;
+val* var145 /* : FlatString */;
 {
 { /* Inline array#AbstractArrayRead#length (self) on <self:Array[nullable Object]> */
 var3 = self->attrs[COLOR_standard__array__AbstractArrayRead___length].l; /* _length on <self:Array[nullable Object]> */
@@ -1893,587 +1765,1014 @@ RET_LABEL2:(void)0;
 }
 }
 var_l = var1;
-var4 = 0;
 {
-{ /* Inline kernel#Int#== (var_l,var4) on <var_l:Int> */
-var7 = var_l == var4;
-var5 = var7;
-goto RET_LABEL6;
-RET_LABEL6:(void)0;
+{ /* Inline kernel#Int#== (var_l,0l) on <var_l:Int> */
+var6 = var_l == 0l;
+var4 = var6;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
 }
 }
-if (var5){
-if (varonce) {
-var8 = varonce;
+if (var4){
+if (likely(varonce!=NULL)) {
+var7 = varonce;
 } else {
-var9 = "";
-var10 = 0;
-var11 = standard___standard__NativeString___to_s_with_length(var9, var10);
-var8 = var11;
-varonce = var8;
+var8 = "";
+var9 = standard___standard__NativeString___to_s_with_length(var8, 0l);
+var7 = var9;
+varonce = var7;
 }
-var = var8;
+var = var7;
 goto RET_LABEL;
 } else {
 }
-var12 = 1;
 {
-{ /* Inline kernel#Int#== (var_l,var12) on <var_l:Int> */
-var15 = var_l == var12;
-var13 = var15;
-goto RET_LABEL14;
-RET_LABEL14:(void)0;
+{ /* Inline kernel#Int#== (var_l,1l) on <var_l:Int> */
+var12 = var_l == 1l;
+var10 = var12;
+goto RET_LABEL11;
+RET_LABEL11:(void)0;
 }
 }
-if (var13){
-var16 = 0;
+if (var10){
 {
-var17 = standard___standard__Array___standard__abstract_collection__SequenceRead___91d_93d(self, var16);
+var13 = standard___standard__Array___standard__abstract_collection__SequenceRead___91d_93d(self, 0l);
 }
-var18 = NULL;
-if (var17 == NULL) {
-var19 = 1; /* is null */
+if (var13 == NULL) {
+var14 = 1; /* is null */
 } else {
-var19 = 0; /* arg is null but recv is not */
+var14 = 0; /* arg is null but recv is not */
 }
 if (0) {
-var20 = ((short int (*)(val* self, val* p0))(var17->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var17, var18) /* == on <var17:nullable Object>*/;
-var19 = var20;
+var15 = ((short int(*)(val* self, val* p0))((((long)var13&3)?class_info[((long)var13&3)]:var13->class)->vft[COLOR_standard__kernel__Object___61d_61d]))(var13, ((val*)NULL)); /* == on <var13:nullable Object>*/
+var14 = var15;
 }
-if (var19){
-if (varonce21) {
-var22 = varonce21;
+if (var14){
+if (likely(varonce16!=NULL)) {
+var17 = varonce16;
 } else {
-var23 = "";
-var24 = 0;
-var25 = standard___standard__NativeString___to_s_with_length(var23, var24);
-var22 = var25;
-varonce21 = var22;
+var18 = "";
+var19 = standard___standard__NativeString___to_s_with_length(var18, 0l);
+var17 = var19;
+varonce16 = var17;
 }
-var = var22;
+var = var17;
 goto RET_LABEL;
 } else {
-var26 = 0;
 {
-var27 = standard___standard__Array___standard__abstract_collection__SequenceRead___91d_93d(self, var26);
+var20 = standard___standard__Array___standard__abstract_collection__SequenceRead___91d_93d(self, 0l);
 }
-if (var27 == NULL) {
+if (var20 == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2108);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2297);
+fatal_exit(1);
 } else {
-var28 = ((val* (*)(val* self))(var27->class->vft[COLOR_standard__string__Object__to_s]))(var27) /* to_s on <var27:nullable Object>*/;
+var21 = ((val*(*)(val* self))((((long)var20&3)?class_info[((long)var20&3)]:var20->class)->vft[COLOR_standard__string__Object__to_s]))(var20); /* to_s on <var20:nullable Object>*/
 }
-var = var28;
+var = var21;
 goto RET_LABEL;
 }
 } else {
 }
-var29 = self->attrs[COLOR_standard__array__Array___items].val; /* _items on <self:Array[nullable Object]> */
-var_its = var29;
-var30 = NEW_standard__NativeArray(var_l, &type_standard__NativeArray__standard__String);
-var_na = var30;
-var31 = 0;
-var_i = var31;
-var32 = 0;
-var_sl = var32;
-var33 = 0;
-var_mypos = var33;
+var22 = self->attrs[COLOR_standard__array__Array___items].val; /* _items on <self:Array[nullable Object]> */
+var_its = var22;
+var23 = NEW_standard__NativeArray(var_l, &type_standard__NativeArray__standard__String);
+var_na = var23;
+var_i = 0l;
+var_sl = 0l;
+var_mypos = 0l;
 for(;;) {
 {
 { /* Inline kernel#Int#< (var_i,var_l) on <var_i:Int> */
 /* Covariant cast for argument 0 (i) <var_l:Int> isa OTHER */
 /* <var_l:Int> isa OTHER */
-var36 = 1; /* easy <var_l:Int> isa OTHER*/
-if (unlikely(!var36)) {
+var26 = 1; /* easy <var_l:Int> isa OTHER*/
+if (unlikely(!var26)) {
 var_class_name = type_standard__Int.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 410);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 534);
+fatal_exit(1);
 }
-var37 = var_i < var_l;
-var34 = var37;
-goto RET_LABEL35;
-RET_LABEL35:(void)0;
+var27 = var_i < var_l;
+var24 = var27;
+goto RET_LABEL25;
+RET_LABEL25:(void)0;
 }
 }
-if (var34){
+if (var24){
 if (var_its == NULL) {
 PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2115);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2304);
+fatal_exit(1);
 } else {
 { /* Inline array#NativeArray#[] (var_its,var_i) on <var_its:nullable NativeArray[nullable Object]> */
-var40 = ((struct instance_standard__NativeArray*)var_its)->values[var_i];
-var38 = var40;
-goto RET_LABEL39;
-RET_LABEL39:(void)0;
+var30 = ((struct instance_standard__NativeArray*)var_its)->values[var_i];
+var28 = var30;
+goto RET_LABEL29;
+RET_LABEL29:(void)0;
 }
 }
-var_itsi = var38;
-var41 = NULL;
+var_itsi = var28;
 if (var_itsi == NULL) {
-var42 = 1; /* is null */
+var31 = 1; /* is null */
 } else {
-var42 = 0; /* arg is null but recv is not */
+var31 = 0; /* arg is null but recv is not */
 }
 if (0) {
-var43 = ((short int (*)(val* self, val* p0))(var_itsi->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_itsi, var41) /* == on <var_itsi:nullable Object>*/;
-var42 = var43;
+var32 = ((short int(*)(val* self, val* p0))((((long)var_itsi&3)?class_info[((long)var_itsi&3)]:var_itsi->class)->vft[COLOR_standard__kernel__Object___61d_61d]))(var_itsi, ((val*)NULL)); /* == on <var_itsi:nullable Object>*/
+var31 = var32;
 }
-if (var42){
-var44 = 1;
+if (var31){
 {
-{ /* Inline kernel#Int#+ (var_i,var44) on <var_i:Int> */
-/* Covariant cast for argument 0 (i) <var44:Int> isa OTHER */
-/* <var44:Int> isa OTHER */
-var47 = 1; /* easy <var44:Int> isa OTHER*/
-if (unlikely(!var47)) {
-var_class_name50 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name50);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 413);
-show_backtrace(1);
+{ /* Inline kernel#Int#+ (var_i,1l) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var35 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var35)) {
+var_class_name38 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name38);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
 }
-var51 = var_i + var44;
-var45 = var51;
-goto RET_LABEL46;
-RET_LABEL46:(void)0;
+var39 = var_i + 1l;
+var33 = var39;
+goto RET_LABEL34;
+RET_LABEL34:(void)0;
 }
 }
-var_i = var45;
+var_i = var33;
 goto BREAK_label;
 } else {
 }
-if (var_itsi == NULL) {
-PRINT_ERROR("Runtime error: %s", "Receiver is null");
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2120);
-show_backtrace(1);
-} else {
-var52 = ((val* (*)(val* self))(var_itsi->class->vft[COLOR_standard__string__Object__to_s]))(var_itsi) /* to_s on <var_itsi:nullable Object>*/;
+{
+var40 = ((val*(*)(val* self))((((long)var_itsi&3)?class_info[((long)var_itsi&3)]:var_itsi->class)->vft[COLOR_standard__string__Object__to_s]))(var_itsi); /* to_s on <var_itsi:nullable Object(Object)>*/
 }
-var_tmp = var52;
+var_tmp = var40;
 {
-var53 = ((long (*)(val* self))(var_tmp->class->vft[COLOR_standard__string__Text__length]))(var_tmp) /* length on <var_tmp:String>*/;
+var41 = ((long(*)(val* self))(var_tmp->class->vft[COLOR_standard__string__Text__length]))(var_tmp); /* length on <var_tmp:String>*/
 }
 {
-{ /* Inline kernel#Int#+ (var_sl,var53) on <var_sl:Int> */
-/* Covariant cast for argument 0 (i) <var53:Int> isa OTHER */
-/* <var53:Int> isa OTHER */
-var56 = 1; /* easy <var53:Int> isa OTHER*/
-if (unlikely(!var56)) {
-var_class_name59 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name59);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 413);
-show_backtrace(1);
+{ /* Inline kernel#Int#+ (var_sl,var41) on <var_sl:Int> */
+/* Covariant cast for argument 0 (i) <var41:Int> isa OTHER */
+/* <var41:Int> isa OTHER */
+var44 = 1; /* easy <var41:Int> isa OTHER*/
+if (unlikely(!var44)) {
+var_class_name47 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name47);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
 }
-var60 = var_sl + var53;
-var54 = var60;
-goto RET_LABEL55;
-RET_LABEL55:(void)0;
+var48 = var_sl + var41;
+var42 = var48;
+goto RET_LABEL43;
+RET_LABEL43:(void)0;
 }
 }
-var_sl = var54;
+var_sl = var42;
 {
 { /* Inline array#NativeArray#[]= (var_na,var_mypos,var_tmp) on <var_na:NativeArray[String]> */
 /* Covariant cast for argument 1 (item) <var_tmp:String> isa E */
 /* <var_tmp:String> isa E */
 type_struct = var_na->type->resolution_table->types[COLOR_standard__NativeArray___35dE];
-cltype63 = type_struct->color;
-idtype64 = type_struct->id;
-if(cltype63 >= var_tmp->type->table_size) {
-var62 = 0;
+cltype51 = type_struct->color;
+idtype52 = type_struct->id;
+if(cltype51 >= var_tmp->type->table_size) {
+var50 = 0;
 } else {
-var62 = var_tmp->type->type_table[cltype63] == idtype64;
+var50 = var_tmp->type->type_table[cltype51] == idtype52;
 }
-if (unlikely(!var62)) {
-var_class_name65 = var_tmp == NULL ? "null" : var_tmp->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "E", var_class_name65);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__array, 808);
-show_backtrace(1);
+if (unlikely(!var50)) {
+var_class_name53 = var_tmp == NULL ? "null" : var_tmp->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "E", var_class_name53);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__array, 957);
+fatal_exit(1);
 }
 ((struct instance_standard__NativeArray*)var_na)->values[var_mypos]=var_tmp;
-RET_LABEL61:(void)0;
+RET_LABEL49:(void)0;
 }
 }
-var66 = 1;
 {
-{ /* Inline kernel#Int#+ (var_i,var66) on <var_i:Int> */
-/* Covariant cast for argument 0 (i) <var66:Int> isa OTHER */
-/* <var66:Int> isa OTHER */
-var69 = 1; /* easy <var66:Int> isa OTHER*/
-if (unlikely(!var69)) {
-var_class_name72 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name72);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 413);
-show_backtrace(1);
+{ /* Inline kernel#Int#+ (var_i,1l) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var56 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var56)) {
+var_class_name59 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name59);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
 }
-var73 = var_i + var66;
-var67 = var73;
-goto RET_LABEL68;
-RET_LABEL68:(void)0;
+var60 = var_i + 1l;
+var54 = var60;
+goto RET_LABEL55;
+RET_LABEL55:(void)0;
 }
 }
-var_i = var67;
-var74 = 1;
+var_i = var54;
 {
-{ /* Inline kernel#Int#+ (var_mypos,var74) on <var_mypos:Int> */
-/* Covariant cast for argument 0 (i) <var74:Int> isa OTHER */
-/* <var74:Int> isa OTHER */
-var77 = 1; /* easy <var74:Int> isa OTHER*/
-if (unlikely(!var77)) {
-var_class_name80 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name80);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 413);
-show_backtrace(1);
+{ /* Inline kernel#Int#+ (var_mypos,1l) on <var_mypos:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var63 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var63)) {
+var_class_name66 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name66);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
 }
-var81 = var_mypos + var74;
-var75 = var81;
-goto RET_LABEL76;
-RET_LABEL76:(void)0;
+var67 = var_mypos + 1l;
+var61 = var67;
+goto RET_LABEL62;
+RET_LABEL62:(void)0;
 }
 }
-var_mypos = var75;
+var_mypos = var61;
 } else {
-goto BREAK_label82;
+goto BREAK_label68;
 }
 BREAK_label: (void)0;
 }
-BREAK_label82: (void)0;
-var83 = NULL/*special!*/;
-var84 = 1;
+BREAK_label68: (void)0;
+var69 = NULL/*special!*/;
 {
-{ /* Inline kernel#Int#+ (var_sl,var84) on <var_sl:Int> */
-/* Covariant cast for argument 0 (i) <var84:Int> isa OTHER */
-/* <var84:Int> isa OTHER */
-var87 = 1; /* easy <var84:Int> isa OTHER*/
-if (unlikely(!var87)) {
-var_class_name90 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name90);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 413);
-show_backtrace(1);
+{ /* Inline kernel#Int#+ (var_sl,1l) on <var_sl:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var72 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var72)) {
+var_class_name75 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name75);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
 }
-var91 = var_sl + var84;
-var85 = var91;
-goto RET_LABEL86;
-RET_LABEL86:(void)0;
+var76 = var_sl + 1l;
+var70 = var76;
+goto RET_LABEL71;
+RET_LABEL71:(void)0;
 }
 }
 {
-{ /* Inline string#NativeString#new (var83,var85) on <var83:NativeString> */
-var94 = (char*)nit_alloc(var85);
-var92 = var94;
-goto RET_LABEL93;
-RET_LABEL93:(void)0;
+{ /* Inline string#NativeString#new (var69,var70) on <var69:NativeString> */
+var79 = (char*)nit_alloc(var70);
+var77 = var79;
+goto RET_LABEL78;
+RET_LABEL78:(void)0;
 }
 }
-var_ns = var92;
-var95 = '\0';
+var_ns = var77;
 {
-{ /* Inline string#NativeString#[]= (var_ns,var_sl,var95) on <var_ns:NativeString> */
-var_ns[var_sl]=var95;
-RET_LABEL96:(void)0;
+{ /* Inline string#NativeString#[]= (var_ns,var_sl,'\000') on <var_ns:NativeString> */
+var_ns[var_sl]=(unsigned char)'\000';
+RET_LABEL80:(void)0;
 }
 }
-var97 = 0;
-var_i = var97;
-var98 = 0;
-var_off = var98;
+var_i = 0l;
+var_off = 0l;
 for(;;) {
 {
 { /* Inline kernel#Int#< (var_i,var_mypos) on <var_i:Int> */
 /* Covariant cast for argument 0 (i) <var_mypos:Int> isa OTHER */
 /* <var_mypos:Int> isa OTHER */
-var101 = 1; /* easy <var_mypos:Int> isa OTHER*/
-if (unlikely(!var101)) {
-var_class_name104 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name104);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 410);
-show_backtrace(1);
-}
-var105 = var_i < var_mypos;
-var99 = var105;
-goto RET_LABEL100;
-RET_LABEL100:(void)0;
+var83 = 1; /* easy <var_mypos:Int> isa OTHER*/
+if (unlikely(!var83)) {
+var_class_name86 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name86);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 534);
+fatal_exit(1);
+}
+var87 = var_i < var_mypos;
+var81 = var87;
+goto RET_LABEL82;
+RET_LABEL82:(void)0;
 }
 }
-if (var99){
+if (var81){
 {
 { /* Inline array#NativeArray#[] (var_na,var_i) on <var_na:NativeArray[String]> */
-var108 = ((struct instance_standard__NativeArray*)var_na)->values[var_i];
-var106 = var108;
-goto RET_LABEL107;
-RET_LABEL107:(void)0;
+var90 = ((struct instance_standard__NativeArray*)var_na)->values[var_i];
+var88 = var90;
+goto RET_LABEL89;
+RET_LABEL89:(void)0;
 }
 }
-var_tmp109 = var106;
+var_tmp91 = var88;
 {
-var110 = ((long (*)(val* self))(var_tmp109->class->vft[COLOR_standard__string__Text__length]))(var_tmp109) /* length on <var_tmp109:String>*/;
+var92 = ((long(*)(val* self))(var_tmp91->class->vft[COLOR_standard__string__Text__length]))(var_tmp91); /* length on <var_tmp91:String>*/
 }
-var_tpl = var110;
-/* <var_tmp109:String> isa FlatString */
-cltype112 = type_standard__FlatString.color;
-idtype113 = type_standard__FlatString.id;
-if(cltype112 >= var_tmp109->type->table_size) {
-var111 = 0;
+var_tpl = var92;
+/* <var_tmp91:String> isa FlatString */
+cltype94 = type_standard__FlatString.color;
+idtype95 = type_standard__FlatString.id;
+if(cltype94 >= var_tmp91->type->table_size) {
+var93 = 0;
 } else {
-var111 = var_tmp109->type->type_table[cltype112] == idtype113;
+var93 = var_tmp91->type->type_table[cltype94] == idtype95;
 }
-if (var111){
+if (var93){
 {
-{ /* Inline string#FlatText#items (var_tmp109) on <var_tmp109:String(FlatString)> */
-var116 = var_tmp109->attrs[COLOR_standard__string__FlatText___items].str; /* _items on <var_tmp109:String(FlatString)> */
-var114 = var116;
-RET_LABEL115:(void)0;
+{ /* Inline string#FlatText#items (var_tmp91) on <var_tmp91:String(FlatString)> */
+var98 = var_tmp91->attrs[COLOR_standard__string__FlatText___items].str; /* _items on <var_tmp91:String(FlatString)> */
+var96 = var98;
+RET_LABEL97:(void)0;
 }
 }
 {
-{ /* Inline string#FlatString#index_from (var_tmp109) on <var_tmp109:String(FlatString)> */
-var119 = var_tmp109->attrs[COLOR_standard__string__FlatString___index_from].l; /* _index_from on <var_tmp109:String(FlatString)> */
-var117 = var119;
-RET_LABEL118:(void)0;
+{ /* Inline string#FlatString#index_from (var_tmp91) on <var_tmp91:String(FlatString)> */
+var101 = var_tmp91->attrs[COLOR_standard__string__FlatString___index_from].l; /* _index_from on <var_tmp91:String(FlatString)> */
+var99 = var101;
+RET_LABEL100:(void)0;
 }
 }
 {
-{ /* Inline string#NativeString#copy_to (var114,var_ns,var_tpl,var117,var_off) on <var114:NativeString> */
-memmove(var_ns+var_off,var114+var117,var_tpl);
-RET_LABEL120:(void)0;
+{ /* Inline string#NativeString#copy_to (var96,var_ns,var_tpl,var99,var_off) on <var96:NativeString> */
+memmove(var_ns+var_off,var96+var99,var_tpl);
+RET_LABEL102:(void)0;
 }
 }
 {
 { /* Inline kernel#Int#+ (var_off,var_tpl) on <var_off:Int> */
 /* Covariant cast for argument 0 (i) <var_tpl:Int> isa OTHER */
 /* <var_tpl:Int> isa OTHER */
-var123 = 1; /* easy <var_tpl:Int> isa OTHER*/
-if (unlikely(!var123)) {
-var_class_name126 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name126);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 413);
-show_backtrace(1);
+var105 = 1; /* easy <var_tpl:Int> isa OTHER*/
+if (unlikely(!var105)) {
+var_class_name108 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name108);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
 }
-var127 = var_off + var_tpl;
-var121 = var127;
-goto RET_LABEL122;
-RET_LABEL122:(void)0;
+var109 = var_off + var_tpl;
+var103 = var109;
+goto RET_LABEL104;
+RET_LABEL104:(void)0;
 }
 }
-var_off = var121;
+var_off = var103;
 } else {
 {
-var128 = ((val* (*)(val* self))(var_tmp109->class->vft[COLOR_standard__string__Text__substrings]))(var_tmp109) /* substrings on <var_tmp109:String>*/;
+var110 = ((val*(*)(val* self))(var_tmp91->class->vft[COLOR_standard__string__Text__substrings]))(var_tmp91); /* substrings on <var_tmp91:String>*/
 }
-var_ = var128;
+var_ = var110;
 {
-var129 = standard___standard__Iterator___iterator(var_);
+var111 = ((val*(*)(val* self))((((long)var_&3)?class_info[((long)var_&3)]:var_->class)->vft[COLOR_standard__abstract_collection__Iterator__iterator]))(var_); /* iterator on <var_:Iterator[FlatText]>*/
 }
-var_130 = var129;
+var_112 = var111;
 for(;;) {
 {
-var131 = ((short int (*)(val* self))(var_130->class->vft[COLOR_standard__abstract_collection__Iterator__is_ok]))(var_130) /* is_ok on <var_130:Iterator[String]>*/;
+var113 = ((short int(*)(val* self))((((long)var_112&3)?class_info[((long)var_112&3)]:var_112->class)->vft[COLOR_standard__abstract_collection__Iterator__is_ok]))(var_112); /* is_ok on <var_112:Iterator[FlatText]>*/
 }
-if (var131){
+if (var113){
 {
-var132 = ((val* (*)(val* self))(var_130->class->vft[COLOR_standard__abstract_collection__Iterator__item]))(var_130) /* item on <var_130:Iterator[String]>*/;
+var114 = ((val*(*)(val* self))((((long)var_112&3)?class_info[((long)var_112&3)]:var_112->class)->vft[COLOR_standard__abstract_collection__Iterator__item]))(var_112); /* item on <var_112:Iterator[FlatText]>*/
 }
-var_j = var132;
-/* <var_j:String> isa FlatString */
-cltype134 = type_standard__FlatString.color;
-idtype135 = type_standard__FlatString.id;
-if(cltype134 >= var_j->type->table_size) {
-var133 = 0;
+var_j = var114;
+/* <var_j:FlatText> isa FlatString */
+cltype116 = type_standard__FlatString.color;
+idtype117 = type_standard__FlatString.id;
+if(cltype116 >= var_j->type->table_size) {
+var115 = 0;
 } else {
-var133 = var_j->type->type_table[cltype134] == idtype135;
+var115 = var_j->type->type_table[cltype116] == idtype117;
 }
-if (unlikely(!var133)) {
-var_class_name136 = var_j == NULL ? "null" : var_j->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "FlatString", var_class_name136);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2138);
-show_backtrace(1);
+if (unlikely(!var115)) {
+var_class_name118 = var_j == NULL ? "null" : var_j->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "FlatString", var_class_name118);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2327);
+fatal_exit(1);
 }
 var_s = var_j;
 {
 { /* Inline string#FlatText#length (var_s) on <var_s:FlatString> */
-var139 = var_s->attrs[COLOR_standard__string__FlatText___length].l; /* _length on <var_s:FlatString> */
-var137 = var139;
-RET_LABEL138:(void)0;
+var121 = var_s->attrs[COLOR_standard__string__FlatText___length].l; /* _length on <var_s:FlatString> */
+var119 = var121;
+RET_LABEL120:(void)0;
 }
 }
-var_slen = var137;
+var_slen = var119;
 {
 { /* Inline string#FlatText#items (var_s) on <var_s:FlatString> */
-var142 = var_s->attrs[COLOR_standard__string__FlatText___items].str; /* _items on <var_s:FlatString> */
-var140 = var142;
-RET_LABEL141:(void)0;
+var124 = var_s->attrs[COLOR_standard__string__FlatText___items].str; /* _items on <var_s:FlatString> */
+var122 = var124;
+RET_LABEL123:(void)0;
 }
 }
 {
 { /* Inline string#FlatString#index_from (var_s) on <var_s:FlatString> */
-var145 = var_s->attrs[COLOR_standard__string__FlatString___index_from].l; /* _index_from on <var_s:FlatString> */
-var143 = var145;
-RET_LABEL144:(void)0;
+var127 = var_s->attrs[COLOR_standard__string__FlatString___index_from].l; /* _index_from on <var_s:FlatString> */
+var125 = var127;
+RET_LABEL126:(void)0;
 }
 }
 {
-{ /* Inline string#NativeString#copy_to (var140,var_ns,var_slen,var143,var_off) on <var140:NativeString> */
-memmove(var_ns+var_off,var140+var143,var_slen);
-RET_LABEL146:(void)0;
+{ /* Inline string#NativeString#copy_to (var122,var_ns,var_slen,var125,var_off) on <var122:NativeString> */
+memmove(var_ns+var_off,var122+var125,var_slen);
+RET_LABEL128:(void)0;
 }
 }
 {
 { /* Inline kernel#Int#+ (var_off,var_slen) on <var_off:Int> */
 /* Covariant cast for argument 0 (i) <var_slen:Int> isa OTHER */
 /* <var_slen:Int> isa OTHER */
-var149 = 1; /* easy <var_slen:Int> isa OTHER*/
-if (unlikely(!var149)) {
-var_class_name152 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name152);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 413);
-show_backtrace(1);
+var131 = 1; /* easy <var_slen:Int> isa OTHER*/
+if (unlikely(!var131)) {
+var_class_name134 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name134);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
 }
-var153 = var_off + var_slen;
-var147 = var153;
-goto RET_LABEL148;
-RET_LABEL148:(void)0;
+var135 = var_off + var_slen;
+var129 = var135;
+goto RET_LABEL130;
+RET_LABEL130:(void)0;
 }
 }
-var_off = var147;
+var_off = var129;
 {
-((void (*)(val* self))(var_130->class->vft[COLOR_standard__abstract_collection__Iterator__next]))(var_130) /* next on <var_130:Iterator[String]>*/;
+((void(*)(val* self))((((long)var_112&3)?class_info[((long)var_112&3)]:var_112->class)->vft[COLOR_standard__abstract_collection__Iterator__next]))(var_112); /* next on <var_112:Iterator[FlatText]>*/
 }
 } else {
-goto BREAK_label154;
+goto BREAK_label136;
 }
 }
-BREAK_label154: (void)0;
+BREAK_label136: (void)0;
 {
-{ /* Inline abstract_collection#Iterator#finish (var_130) on <var_130:Iterator[String]> */
-RET_LABEL155:(void)0;
+((void(*)(val* self))((((long)var_112&3)?class_info[((long)var_112&3)]:var_112->class)->vft[COLOR_standard__abstract_collection__Iterator__finish]))(var_112); /* finish on <var_112:Iterator[FlatText]>*/
 }
 }
-}
-var156 = 1;
 {
-{ /* Inline kernel#Int#+ (var_i,var156) on <var_i:Int> */
-/* Covariant cast for argument 0 (i) <var156:Int> isa OTHER */
-/* <var156:Int> isa OTHER */
-var159 = 1; /* easy <var156:Int> isa OTHER*/
-if (unlikely(!var159)) {
-var_class_name162 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name162);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 413);
-show_backtrace(1);
+{ /* Inline kernel#Int#+ (var_i,1l) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var139 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var139)) {
+var_class_name142 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name142);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
 }
-var163 = var_i + var156;
-var157 = var163;
-goto RET_LABEL158;
-RET_LABEL158:(void)0;
+var143 = var_i + 1l;
+var137 = var143;
+goto RET_LABEL138;
+RET_LABEL138:(void)0;
 }
 }
-var_i = var157;
+var_i = var137;
 } else {
-goto BREAK_label164;
+goto BREAK_label144;
 }
 }
-BREAK_label164: (void)0;
+BREAK_label144: (void)0;
 {
-var165 = standard___standard__NativeString___to_s_with_length(var_ns, var_sl);
-}
-var = var165;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
-}
-/* method string#NativeString#new for (self: NativeString, Int): NativeString */
-char* standard___standard__NativeString___new(char* self, long p0) {
-char* var /* : NativeString */;
-char* var1 /* : NativeString */;
-var1 = (char*)nit_alloc(p0);
-var = var1;
-goto RET_LABEL;
-RET_LABEL:;
-return var;
+var145 = standard___standard__NativeString___to_s_with_length(var_ns, var_sl);
 }
-/* method string#NativeString#[] for (self: NativeString, Int): Char */
-char standard___standard__NativeString____91d_93d(char* self, long p0) {
-char var /* : Char */;
-char var1 /* : Char */;
-var1 = self[p0];
-var = var1;
+var = var145;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method string#NativeString#[]= for (self: NativeString, Int, Char) */
-void standard___standard__NativeString____91d_93d_61d(char* self, long p0, char p1) {
-self[p0]=p1;
-RET_LABEL:;
-}
-/* method string#NativeString#copy_to for (self: NativeString, NativeString, Int, Int, Int) */
-void standard___standard__NativeString___copy_to(char* self, char* p0, long p1, long p2, long p3) {
-memmove(p0+p3,self+p2,p1);
-RET_LABEL:;
-}
-/* method string#NativeString#cstring_length for (self: NativeString): Int */
-long standard___standard__NativeString___cstring_length(char* self) {
-long var /* : Int */;
-long var1 /* : Int */;
-long var_l /* var l: Int */;
-char var2 /* : Char */;
-char var4 /* : Char */;
-char var5 /* : Char */;
-short int var6 /* : Bool */;
-short int var8 /* : Bool */;
-short int var9 /* : Bool */;
-long var10 /* : Int */;
-long var11 /* : Int */;
-short int var13 /* : Bool */;
+/* method string#NativeArray#native_to_s for (self: NativeArray[nullable Object]): String */
+val* standard__string___NativeArray___native_to_s(val* self) {
+val* var /* : String */;
+short int var1 /* : Bool */;
 int cltype;
 int idtype;
+long var2 /* : Int */;
+long var4 /* : Int */;
+long var_l /* var l: Int */;
+val* var_na /* var na: NativeArray[String] */;
+long var_i /* var i: Int */;
+long var_sl /* var sl: Int */;
+long var_mypos /* var mypos: Int */;
+short int var5 /* : Bool */;
+short int var7 /* : Bool */;
+int cltype8;
+int idtype9;
 const char* var_class_name;
+short int var10 /* : Bool */;
+val* var11 /* : nullable Object */;
+val* var13 /* : Object */;
 long var14 /* : Int */;
-var1 = 0;
-var_l = var1;
-for(;;) {
-{
-{ /* Inline string#NativeString#[] (self,var_l) on <self:NativeString> */
-var4 = self[var_l];
-var2 = var4;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
-}
-}
-var5 = '\0';
-{
-{ /* Inline kernel#Char#!= (var2,var5) on <var2:Char> */
-var8 = var2 == var5;
-var9 = !var8;
-var6 = var9;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
-}
-}
-if (var6){
-var10 = 1;
-{
-{ /* Inline kernel#Int#+ (var_l,var10) on <var_l:Int> */
-/* Covariant cast for argument 0 (i) <var10:Int> isa OTHER */
-/* <var10:Int> isa OTHER */
-var13 = 1; /* easy <var10:Int> isa OTHER*/
-if (unlikely(!var13)) {
-var_class_name = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 413);
-show_backtrace(1);
-}
-var14 = var_l + var10;
-var11 = var14;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
-}
-}
-var_l = var11;
-} else {
-goto BREAK_label;
-}
+long var15 /* : Int */;
+short int var17 /* : Bool */;
+int cltype18;
+int idtype19;
+const char* var_class_name20;
+long var21 /* : Int */;
+long var22 /* : Int */;
+short int var24 /* : Bool */;
+int cltype25;
+int idtype26;
+const char* var_class_name27;
+long var28 /* : Int */;
+long var29 /* : Int */;
+short int var31 /* : Bool */;
+int cltype32;
+int idtype33;
+const char* var_class_name34;
+long var35 /* : Int */;
+char* var36 /* : NativeString */;
+long var37 /* : Int */;
+short int var39 /* : Bool */;
+int cltype40;
+int idtype41;
+const char* var_class_name42;
+long var43 /* : Int */;
+char* var44 /* : NativeString */;
+char* var46 /* : NativeString */;
+char* var_ns /* var ns: NativeString */;
+long var_off /* var off: Int */;
+short int var48 /* : Bool */;
+short int var50 /* : Bool */;
+int cltype51;
+int idtype52;
+const char* var_class_name53;
+short int var54 /* : Bool */;
+val* var55 /* : nullable Object */;
+val* var57 /* : Object */;
+val* var_tmp /* var tmp: String */;
+long var58 /* : Int */;
+long var_tpl /* var tpl: Int */;
+short int var59 /* : Bool */;
+int cltype60;
+int idtype61;
+char* var62 /* : NativeString */;
+char* var64 /* : NativeString */;
+long var65 /* : Int */;
+long var67 /* : Int */;
+long var69 /* : Int */;
+short int var71 /* : Bool */;
+int cltype72;
+int idtype73;
+const char* var_class_name74;
+long var75 /* : Int */;
+val* var76 /* : Iterator[FlatText] */;
+val* var_ /* var : Iterator[FlatText] */;
+val* var77 /* : Iterator[nullable Object] */;
+val* var_78 /* var : Iterator[FlatText] */;
+short int var79 /* : Bool */;
+val* var80 /* : nullable Object */;
+val* var_j /* var j: FlatText */;
+short int var81 /* : Bool */;
+int cltype82;
+int idtype83;
+const char* var_class_name84;
+val* var_s /* var s: FlatString */;
+long var85 /* : Int */;
+long var87 /* : Int */;
+long var_slen /* var slen: Int */;
+char* var88 /* : NativeString */;
+char* var90 /* : NativeString */;
+long var91 /* : Int */;
+long var93 /* : Int */;
+long var95 /* : Int */;
+short int var97 /* : Bool */;
+int cltype98;
+int idtype99;
+const char* var_class_name100;
+long var101 /* : Int */;
+long var103 /* : Int */;
+short int var105 /* : Bool */;
+int cltype106;
+int idtype107;
+const char* var_class_name108;
+long var109 /* : Int */;
+val* var111 /* : FlatString */;
+/* <self:NativeArray[nullable Object]> isa NativeArray[String] */
+cltype = type_standard__NativeArray__standard__String.color;
+idtype = type_standard__NativeArray__standard__String.id;
+if(cltype >= self->type->table_size) {
+var1 = 0;
+} else {
+var1 = self->type->type_table[cltype] == idtype;
+}
+if (unlikely(!var1)) {
+PRINT_ERROR("Runtime error: %s", "Assert failed");
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2346);
+fatal_exit(1);
+}
+{
+{ /* Inline array#NativeArray#length (self) on <self:NativeArray[nullable Object](NativeArray[String])> */
+var4 = ((struct instance_standard__NativeArray*)self)->length;
+var2 = var4;
+goto RET_LABEL3;
+RET_LABEL3:(void)0;
+}
+}
+var_l = var2;
+var_na = self;
+var_i = 0l;
+var_sl = 0l;
+var_mypos = 0l;
+for(;;) {
+{
+{ /* Inline kernel#Int#< (var_i,var_l) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var_l:Int> isa OTHER */
+/* <var_l:Int> isa OTHER */
+var7 = 1; /* easy <var_l:Int> isa OTHER*/
+if (unlikely(!var7)) {
+var_class_name = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 534);
+fatal_exit(1);
+}
+var10 = var_i < var_l;
+var5 = var10;
+goto RET_LABEL6;
+RET_LABEL6:(void)0;
+}
+}
+if (var5){
+{
+{ /* Inline array#NativeArray#[] (var_na,var_i) on <var_na:NativeArray[String]> */
+var13 = ((struct instance_standard__NativeArray*)var_na)->values[var_i];
+var11 = var13;
+goto RET_LABEL12;
+RET_LABEL12:(void)0;
+}
+}
+{
+var14 = ((long(*)(val* self))(var11->class->vft[COLOR_standard__string__Text__length]))(var11); /* length on <var11:nullable Object(String)>*/
+}
+{
+{ /* Inline kernel#Int#+ (var_sl,var14) on <var_sl:Int> */
+/* Covariant cast for argument 0 (i) <var14:Int> isa OTHER */
+/* <var14:Int> isa OTHER */
+var17 = 1; /* easy <var14:Int> isa OTHER*/
+if (unlikely(!var17)) {
+var_class_name20 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name20);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
+}
+var21 = var_sl + var14;
+var15 = var21;
+goto RET_LABEL16;
+RET_LABEL16:(void)0;
+}
+}
+var_sl = var15;
+{
+{ /* Inline kernel#Int#+ (var_i,1l) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var24 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var24)) {
+var_class_name27 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name27);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
+}
+var28 = var_i + 1l;
+var22 = var28;
+goto RET_LABEL23;
+RET_LABEL23:(void)0;
+}
+}
+var_i = var22;
+{
+{ /* Inline kernel#Int#+ (var_mypos,1l) on <var_mypos:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var31 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var31)) {
+var_class_name34 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name34);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
+}
+var35 = var_mypos + 1l;
+var29 = var35;
+goto RET_LABEL30;
+RET_LABEL30:(void)0;
+}
+}
+var_mypos = var29;
+} else {
+goto BREAK_label;
+}
+}
+BREAK_label: (void)0;
+var36 = NULL/*special!*/;
+{
+{ /* Inline kernel#Int#+ (var_sl,1l) on <var_sl:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var39 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var39)) {
+var_class_name42 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name42);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
+}
+var43 = var_sl + 1l;
+var37 = var43;
+goto RET_LABEL38;
+RET_LABEL38:(void)0;
+}
+}
+{
+{ /* Inline string#NativeString#new (var36,var37) on <var36:NativeString> */
+var46 = (char*)nit_alloc(var37);
+var44 = var46;
+goto RET_LABEL45;
+RET_LABEL45:(void)0;
+}
+}
+var_ns = var44;
+{
+{ /* Inline string#NativeString#[]= (var_ns,var_sl,'\000') on <var_ns:NativeString> */
+var_ns[var_sl]=(unsigned char)'\000';
+RET_LABEL47:(void)0;
+}
+}
+var_i = 0l;
+var_off = 0l;
+for(;;) {
+{
+{ /* Inline kernel#Int#< (var_i,var_mypos) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var_mypos:Int> isa OTHER */
+/* <var_mypos:Int> isa OTHER */
+var50 = 1; /* easy <var_mypos:Int> isa OTHER*/
+if (unlikely(!var50)) {
+var_class_name53 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name53);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 534);
+fatal_exit(1);
+}
+var54 = var_i < var_mypos;
+var48 = var54;
+goto RET_LABEL49;
+RET_LABEL49:(void)0;
+}
+}
+if (var48){
+{
+{ /* Inline array#NativeArray#[] (var_na,var_i) on <var_na:NativeArray[String]> */
+var57 = ((struct instance_standard__NativeArray*)var_na)->values[var_i];
+var55 = var57;
+goto RET_LABEL56;
+RET_LABEL56:(void)0;
+}
+}
+var_tmp = var55;
+{
+var58 = ((long(*)(val* self))(var_tmp->class->vft[COLOR_standard__string__Text__length]))(var_tmp); /* length on <var_tmp:String>*/
+}
+var_tpl = var58;
+/* <var_tmp:String> isa FlatString */
+cltype60 = type_standard__FlatString.color;
+idtype61 = type_standard__FlatString.id;
+if(cltype60 >= var_tmp->type->table_size) {
+var59 = 0;
+} else {
+var59 = var_tmp->type->type_table[cltype60] == idtype61;
+}
+if (var59){
+{
+{ /* Inline string#FlatText#items (var_tmp) on <var_tmp:String(FlatString)> */
+var64 = var_tmp->attrs[COLOR_standard__string__FlatText___items].str; /* _items on <var_tmp:String(FlatString)> */
+var62 = var64;
+RET_LABEL63:(void)0;
+}
+}
+{
+{ /* Inline string#FlatString#index_from (var_tmp) on <var_tmp:String(FlatString)> */
+var67 = var_tmp->attrs[COLOR_standard__string__FlatString___index_from].l; /* _index_from on <var_tmp:String(FlatString)> */
+var65 = var67;
+RET_LABEL66:(void)0;
+}
+}
+{
+{ /* Inline string#NativeString#copy_to (var62,var_ns,var_tpl,var65,var_off) on <var62:NativeString> */
+memmove(var_ns+var_off,var62+var65,var_tpl);
+RET_LABEL68:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#+ (var_off,var_tpl) on <var_off:Int> */
+/* Covariant cast for argument 0 (i) <var_tpl:Int> isa OTHER */
+/* <var_tpl:Int> isa OTHER */
+var71 = 1; /* easy <var_tpl:Int> isa OTHER*/
+if (unlikely(!var71)) {
+var_class_name74 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name74);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
+}
+var75 = var_off + var_tpl;
+var69 = var75;
+goto RET_LABEL70;
+RET_LABEL70:(void)0;
+}
+}
+var_off = var69;
+} else {
+{
+var76 = ((val*(*)(val* self))(var_tmp->class->vft[COLOR_standard__string__Text__substrings]))(var_tmp); /* substrings on <var_tmp:String>*/
+}
+var_ = var76;
+{
+var77 = ((val*(*)(val* self))((((long)var_&3)?class_info[((long)var_&3)]:var_->class)->vft[COLOR_standard__abstract_collection__Iterator__iterator]))(var_); /* iterator on <var_:Iterator[FlatText]>*/
+}
+var_78 = var77;
+for(;;) {
+{
+var79 = ((short int(*)(val* self))((((long)var_78&3)?class_info[((long)var_78&3)]:var_78->class)->vft[COLOR_standard__abstract_collection__Iterator__is_ok]))(var_78); /* is_ok on <var_78:Iterator[FlatText]>*/
+}
+if (var79){
+{
+var80 = ((val*(*)(val* self))((((long)var_78&3)?class_info[((long)var_78&3)]:var_78->class)->vft[COLOR_standard__abstract_collection__Iterator__item]))(var_78); /* item on <var_78:Iterator[FlatText]>*/
+}
+var_j = var80;
+/* <var_j:FlatText> isa FlatString */
+cltype82 = type_standard__FlatString.color;
+idtype83 = type_standard__FlatString.id;
+if(cltype82 >= var_j->type->table_size) {
+var81 = 0;
+} else {
+var81 = var_j->type->type_table[cltype82] == idtype83;
+}
+if (unlikely(!var81)) {
+var_class_name84 = var_j == NULL ? "null" : var_j->type->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "FlatString", var_class_name84);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2369);
+fatal_exit(1);
+}
+var_s = var_j;
+{
+{ /* Inline string#FlatText#length (var_s) on <var_s:FlatString> */
+var87 = var_s->attrs[COLOR_standard__string__FlatText___length].l; /* _length on <var_s:FlatString> */
+var85 = var87;
+RET_LABEL86:(void)0;
+}
+}
+var_slen = var85;
+{
+{ /* Inline string#FlatText#items (var_s) on <var_s:FlatString> */
+var90 = var_s->attrs[COLOR_standard__string__FlatText___items].str; /* _items on <var_s:FlatString> */
+var88 = var90;
+RET_LABEL89:(void)0;
+}
+}
+{
+{ /* Inline string#FlatString#index_from (var_s) on <var_s:FlatString> */
+var93 = var_s->attrs[COLOR_standard__string__FlatString___index_from].l; /* _index_from on <var_s:FlatString> */
+var91 = var93;
+RET_LABEL92:(void)0;
+}
+}
+{
+{ /* Inline string#NativeString#copy_to (var88,var_ns,var_slen,var91,var_off) on <var88:NativeString> */
+memmove(var_ns+var_off,var88+var91,var_slen);
+RET_LABEL94:(void)0;
+}
+}
+{
+{ /* Inline kernel#Int#+ (var_off,var_slen) on <var_off:Int> */
+/* Covariant cast for argument 0 (i) <var_slen:Int> isa OTHER */
+/* <var_slen:Int> isa OTHER */
+var97 = 1; /* easy <var_slen:Int> isa OTHER*/
+if (unlikely(!var97)) {
+var_class_name100 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name100);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
+}
+var101 = var_off + var_slen;
+var95 = var101;
+goto RET_LABEL96;
+RET_LABEL96:(void)0;
+}
+}
+var_off = var95;
+{
+((void(*)(val* self))((((long)var_78&3)?class_info[((long)var_78&3)]:var_78->class)->vft[COLOR_standard__abstract_collection__Iterator__next]))(var_78); /* next on <var_78:Iterator[FlatText]>*/
+}
+} else {
+goto BREAK_label102;
+}
+}
+BREAK_label102: (void)0;
+{
+((void(*)(val* self))((((long)var_78&3)?class_info[((long)var_78&3)]:var_78->class)->vft[COLOR_standard__abstract_collection__Iterator__finish]))(var_78); /* finish on <var_78:Iterator[FlatText]>*/
+}
+}
+{
+{ /* Inline kernel#Int#+ (var_i,1l) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var105 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var105)) {
+var_class_name108 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name108);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
+}
+var109 = var_i + 1l;
+var103 = var109;
+goto RET_LABEL104;
+RET_LABEL104:(void)0;
+}
+}
+var_i = var103;
+} else {
+goto BREAK_label110;
+}
+}
+BREAK_label110: (void)0;
+{
+var111 = standard___standard__NativeString___to_s_with_length(var_ns, var_sl);
+}
+var = var111;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#NativeString#new for (self: NativeString, Int): NativeString */
+char* standard___standard__NativeString___new(char* self, long p0) {
+char* var /* : NativeString */;
+char* var1 /* : NativeString */;
+var1 = (char*)nit_alloc(p0);
+var = var1;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#NativeString#[] for (self: NativeString, Int): Char */
+uint32_t standard___standard__NativeString____91d_93d(char* self, long p0) {
+uint32_t var /* : Char */;
+uint32_t var1 /* : Char */;
+var1 = (uint32_t)(unsigned char)self[p0];
+var = var1;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#NativeString#[]= for (self: NativeString, Int, Char) */
+void standard___standard__NativeString____91d_93d_61d(char* self, long p0, uint32_t p1) {
+self[p0]=(unsigned char)p1;
+RET_LABEL:;
+}
+/* method string#NativeString#copy_to for (self: NativeString, NativeString, Int, Int, Int) */
+void standard___standard__NativeString___copy_to(char* self, char* p0, long p1, long p2, long p3) {
+memmove(p0+p3,self+p2,p1);
+RET_LABEL:;
+}
+/* method string#NativeString#cstring_length for (self: NativeString): Int */
+long standard___standard__NativeString___cstring_length(char* self) {
+long var /* : Int */;
+long var_l /* var l: Int */;
+uint32_t var1 /* : Char */;
+uint32_t var3 /* : Char */;
+short int var4 /* : Bool */;
+short int var6 /* : Bool */;
+short int var7 /* : Bool */;
+long var8 /* : Int */;
+short int var10 /* : Bool */;
+int cltype;
+int idtype;
+const char* var_class_name;
+long var11 /* : Int */;
+var_l = 0l;
+for(;;) {
+{
+{ /* Inline string#NativeString#[] (self,var_l) on <self:NativeString> */
+var3 = (uint32_t)(unsigned char)self[var_l];
+var1 = var3;
+goto RET_LABEL2;
+RET_LABEL2:(void)0;
+}
+}
+{
+{ /* Inline kernel#Char#!= (var1,'\000') on <var1:Char> */
+var6 = var1 == '\000';
+var7 = !var6;
+var4 = var7;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
+}
+}
+if (var4){
+{
+{ /* Inline kernel#Int#+ (var_l,1l) on <var_l:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var10 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var10)) {
+var_class_name = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
+}
+var11 = var_l + 1l;
+var8 = var11;
+goto RET_LABEL9;
+RET_LABEL9:(void)0;
+}
+}
+var_l = var8;
+} else {
+goto BREAK_label;
+}
 }
 BREAK_label: (void)0;
 var = var_l;
@@ -2532,71 +2831,65 @@ return var;
 val* standard___standard__NativeString___to_s_with_length(char* self, long p0) {
 val* var /* : FlatString */;
 long var_length /* var length: Int */;
-long var1 /* : Int */;
-short int var2 /* : Bool */;
-short int var4 /* : Bool */;
+short int var1 /* : Bool */;
+short int var3 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var5 /* : Bool */;
-val* var6 /* : FlatString */;
-long var7 /* : Int */;
-long var8 /* : Int */;
-long var9 /* : Int */;
-short int var11 /* : Bool */;
-int cltype12;
-int idtype13;
-const char* var_class_name14;
-long var15 /* : Int */;
+short int var4 /* : Bool */;
+val* var5 /* : FlatString */;
+long var6 /* : Int */;
+short int var8 /* : Bool */;
+int cltype9;
+int idtype10;
+const char* var_class_name11;
+long var12 /* : Int */;
 val* var_str /* var str: FlatString */;
 var_length = p0;
-var1 = 0;
 {
-{ /* Inline kernel#Int#>= (var_length,var1) on <var_length:Int> */
-/* Covariant cast for argument 0 (i) <var1:Int> isa OTHER */
-/* <var1:Int> isa OTHER */
-var4 = 1; /* easy <var1:Int> isa OTHER*/
-if (unlikely(!var4)) {
+{ /* Inline kernel#Int#>= (var_length,0l) on <var_length:Int> */
+/* Covariant cast for argument 0 (i) <0l:Int> isa OTHER */
+/* <0l:Int> isa OTHER */
+var3 = 1; /* easy <0l:Int> isa OTHER*/
+if (unlikely(!var3)) {
 var_class_name = type_standard__Int.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 411);
-show_backtrace(1);
-}
-var5 = var_length >= var1;
-var2 = var5;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 535);
+fatal_exit(1);
 }
+var4 = var_length >= 0l;
+var1 = var4;
+goto RET_LABEL2;
+RET_LABEL2:(void)0;
 }
-if (unlikely(!var2)) {
+}
+if (unlikely(!var1)) {
 PRINT_ERROR("Runtime error: %s", "Assert failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2224);
-show_backtrace(1);
-}
-var6 = NEW_standard__FlatString(&type_standard__FlatString);
-var7 = 0;
-var8 = 1;
-{
-{ /* Inline kernel#Int#- (var_length,var8) on <var_length:Int> */
-/* Covariant cast for argument 0 (i) <var8:Int> isa OTHER */
-/* <var8:Int> isa OTHER */
-var11 = 1; /* easy <var8:Int> isa OTHER*/
-if (unlikely(!var11)) {
-var_class_name14 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name14);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 416);
-show_backtrace(1);
-}
-var15 = var_length - var8;
-var9 = var15;
-goto RET_LABEL10;
-RET_LABEL10:(void)0;
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2461);
+fatal_exit(1);
+}
+var5 = NEW_standard__FlatString(&type_standard__FlatString);
+{
+{ /* Inline kernel#Int#- (var_length,1l) on <var_length:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var8 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var8)) {
+var_class_name11 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name11);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 540);
+fatal_exit(1);
+}
+var12 = var_length - 1l;
+var6 = var12;
+goto RET_LABEL7;
+RET_LABEL7:(void)0;
 }
 }
 {
-standard___standard__FlatString___with_infos(var6, self, var_length, var7, var9); /* Direct call string#FlatString#with_infos on <var6:FlatString>*/
+standard___standard__FlatString___with_infos(var5, self, var_length, 0l, var6); /* Direct call string#FlatString#with_infos on <var5:FlatString>*/
 }
-var_str = var6;
+var_str = var5;
 var = var_str;
 goto RET_LABEL;
 RET_LABEL:;
@@ -2609,105 +2902,93 @@ long var1 /* : Int */;
 long var_length /* var length: Int */;
 char* var2 /* : NativeString */;
 long var3 /* : Int */;
-long var4 /* : Int */;
-short int var6 /* : Bool */;
+short int var5 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-long var7 /* : Int */;
-char* var8 /* : NativeString */;
-char* var10 /* : NativeString */;
+long var6 /* : Int */;
+char* var7 /* : NativeString */;
+char* var9 /* : NativeString */;
 char* var_new_self /* var new_self: NativeString */;
-long var11 /* : Int */;
+val* var11 /* : FlatString */;
 long var12 /* : Int */;
-val* var14 /* : FlatString */;
-long var15 /* : Int */;
-long var16 /* : Int */;
-long var17 /* : Int */;
-short int var19 /* : Bool */;
-int cltype20;
-int idtype21;
-const char* var_class_name22;
-long var23 /* : Int */;
+short int var14 /* : Bool */;
+int cltype15;
+int idtype16;
+const char* var_class_name17;
+long var18 /* : Int */;
 val* var_str /* var str: FlatString */;
-char var24 /* : Char */;
-val* var27 /* : nullable NativeString */;
+val* var21 /* : nullable NativeString */;
 {
 var1 = standard___standard__NativeString___cstring_length(self);
 }
 var_length = var1;
 var2 = NULL/*special!*/;
-var3 = 1;
 {
-{ /* Inline kernel#Int#+ (var_length,var3) on <var_length:Int> */
-/* Covariant cast for argument 0 (i) <var3:Int> isa OTHER */
-/* <var3:Int> isa OTHER */
-var6 = 1; /* easy <var3:Int> isa OTHER*/
-if (unlikely(!var6)) {
+{ /* Inline kernel#Int#+ (var_length,1l) on <var_length:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var5 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var5)) {
 var_class_name = type_standard__Int.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 413);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
 }
-var7 = var_length + var3;
-var4 = var7;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
+var6 = var_length + 1l;
+var3 = var6;
+goto RET_LABEL4;
+RET_LABEL4:(void)0;
 }
 }
 {
-{ /* Inline string#NativeString#new (var2,var4) on <var2:NativeString> */
-var10 = (char*)nit_alloc(var4);
-var8 = var10;
-goto RET_LABEL9;
-RET_LABEL9:(void)0;
+{ /* Inline string#NativeString#new (var2,var3) on <var2:NativeString> */
+var9 = (char*)nit_alloc(var3);
+var7 = var9;
+goto RET_LABEL8;
+RET_LABEL8:(void)0;
 }
 }
-var_new_self = var8;
-var11 = 0;
-var12 = 0;
+var_new_self = var7;
 {
-{ /* Inline string#NativeString#copy_to (self,var_new_self,var_length,var11,var12) on <self:NativeString> */
-memmove(var_new_self+var12,self+var11,var_length);
-RET_LABEL13:(void)0;
+{ /* Inline string#NativeString#copy_to (self,var_new_self,var_length,0l,0l) on <self:NativeString> */
+memmove(var_new_self+0l,self+0l,var_length);
+RET_LABEL10:(void)0;
 }
 }
-var14 = NEW_standard__FlatString(&type_standard__FlatString);
-var15 = 0;
-var16 = 1;
+var11 = NEW_standard__FlatString(&type_standard__FlatString);
 {
-{ /* Inline kernel#Int#- (var_length,var16) on <var_length:Int> */
-/* Covariant cast for argument 0 (i) <var16:Int> isa OTHER */
-/* <var16:Int> isa OTHER */
-var19 = 1; /* easy <var16:Int> isa OTHER*/
-if (unlikely(!var19)) {
-var_class_name22 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name22);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 416);
-show_backtrace(1);
+{ /* Inline kernel#Int#- (var_length,1l) on <var_length:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var14 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var14)) {
+var_class_name17 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name17);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 540);
+fatal_exit(1);
 }
-var23 = var_length - var16;
-var17 = var23;
-goto RET_LABEL18;
-RET_LABEL18:(void)0;
+var18 = var_length - 1l;
+var12 = var18;
+goto RET_LABEL13;
+RET_LABEL13:(void)0;
 }
 }
 {
-standard___standard__FlatString___with_infos(var14, var_new_self, var_length, var15, var17); /* Direct call string#FlatString#with_infos on <var14:FlatString>*/
+standard___standard__FlatString___with_infos(var11, var_new_self, var_length, 0l, var12); /* Direct call string#FlatString#with_infos on <var11:FlatString>*/
 }
-var_str = var14;
-var24 = '\0';
+var_str = var11;
 {
-{ /* Inline string#NativeString#[]= (var_new_self,var_length,var24) on <var_new_self:NativeString> */
-var_new_self[var_length]=var24;
-RET_LABEL25:(void)0;
+{ /* Inline string#NativeString#[]= (var_new_self,var_length,'\000') on <var_new_self:NativeString> */
+var_new_self[var_length]=(unsigned char)'\000';
+RET_LABEL19:(void)0;
 }
 }
 {
 { /* Inline string#FlatText#real_items= (var_str,var_new_self) on <var_str:FlatString> */
-var27 = BOX_standard__NativeString(var_new_self); /* autobox from NativeString to nullable NativeString */
-var_str->attrs[COLOR_standard__string__FlatText___real_items].val = var27; /* _real_items on <var_str:FlatString> */
-RET_LABEL26:(void)0;
+var21 = BOX_standard__NativeString(var_new_self); /* autobox from NativeString to nullable NativeString */
+var_str->attrs[COLOR_standard__string__FlatText___real_items].val = var21; /* _real_items on <var_str:FlatString> */
+RET_LABEL20:(void)0;
 }
 }
 var = var_str;
@@ -2719,34 +3000,32 @@ return var;
 val* standard__string___Sys___program_args(val* self) {
 val* var /* : Sequence[String] */;
 val* var1 /* : nullable Sequence[String] */;
-val* var2 /* : null */;
+short int var2 /* : Bool */;
 short int var3 /* : Bool */;
-short int var4 /* : Bool */;
-val* var5 /* : nullable Sequence[String] */;
+val* var4 /* : nullable Sequence[String] */;
 var1 = self->attrs[COLOR_standard__string__Sys___args_cache].val; /* _args_cache on <self:Sys> */
-var2 = NULL;
 if (var1 == NULL) {
-var3 = 1; /* is null */
+var2 = 1; /* is null */
 } else {
-var3 = 0; /* arg is null but recv is not */
+var2 = 0; /* arg is null but recv is not */
 }
 if (0) {
-var4 = ((short int (*)(val* self, val* p0))(var1->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var1, var2) /* == on <var1:nullable Sequence[String]>*/;
-var3 = var4;
+var3 = ((short int(*)(val* self, val* p0))((((long)var1&3)?class_info[((long)var1&3)]:var1->class)->vft[COLOR_standard__kernel__Object___61d_61d]))(var1, ((val*)NULL)); /* == on <var1:nullable Sequence[String]>*/
+var2 = var3;
 }
-if (var3){
+if (var2){
 {
 standard__string___Sys___init_args(self); /* Direct call string#Sys#init_args on <self:Sys>*/
 }
 } else {
 }
-var5 = self->attrs[COLOR_standard__string__Sys___args_cache].val; /* _args_cache on <self:Sys> */
-if (unlikely(var5 == NULL)) {
+var4 = self->attrs[COLOR_standard__string__Sys___args_cache].val; /* _args_cache on <self:Sys> */
+if (unlikely(var4 == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Cast failed");
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2249);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2486);
+fatal_exit(1);
 }
-var = var5;
+var = var4;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
@@ -2754,23 +3033,21 @@ return var;
 /* method string#Sys#program_name for (self: Sys): String */
 val* standard__string___Sys___program_name(val* self) {
 val* var /* : String */;
-long var1 /* : Int */;
-char* var2 /* : NativeString */;
-char* var4 /* : NativeString */;
-val* var5 /* : String */;
-var1 = 0;
+char* var1 /* : NativeString */;
+char* var3 /* : NativeString */;
+val* var4 /* : String */;
 {
-{ /* Inline string#Sys#native_argv (self,var1) on <self:Sys> */
-var4 = glob_argv[var1];
-var2 = var4;
-goto RET_LABEL3;
-RET_LABEL3:(void)0;
+{ /* Inline string#Sys#native_argv (self,0l) on <self:Sys> */
+var3 = glob_argv[0l];
+var1 = var3;
+goto RET_LABEL2;
+RET_LABEL2:(void)0;
 }
 }
 {
-var5 = standard___standard__NativeString___Object__to_s(var2);
+var4 = standard___standard__NativeString___Object__to_s(var1);
 }
-var = var5;
+var = var4;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
@@ -2781,33 +3058,29 @@ long var /* : Int */;
 long var2 /* : Int */;
 long var_argc /* var argc: Int */;
 val* var3 /* : Array[String] */;
-long var4 /* : Int */;
 val* var_args /* var args: Array[String] */;
-long var5 /* : Int */;
 long var_i /* var i: Int */;
+short int var4 /* : Bool */;
 short int var6 /* : Bool */;
-short int var8 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var9 /* : Bool */;
-long var10 /* : Int */;
-long var11 /* : Int */;
-short int var13 /* : Bool */;
-int cltype14;
-int idtype15;
-const char* var_class_name16;
-long var17 /* : Int */;
-char* var18 /* : NativeString */;
-char* var20 /* : NativeString */;
-val* var21 /* : String */;
-long var22 /* : Int */;
-long var23 /* : Int */;
-short int var25 /* : Bool */;
-int cltype26;
-int idtype27;
-const char* var_class_name28;
-long var29 /* : Int */;
+short int var7 /* : Bool */;
+long var8 /* : Int */;
+short int var10 /* : Bool */;
+int cltype11;
+int idtype12;
+const char* var_class_name13;
+long var14 /* : Int */;
+char* var15 /* : NativeString */;
+char* var17 /* : NativeString */;
+val* var18 /* : String */;
+long var19 /* : Int */;
+short int var21 /* : Bool */;
+int cltype22;
+int idtype23;
+const char* var_class_name24;
+long var25 /* : Int */;
 {
 { /* Inline string#Sys#native_argc (self) on <self:Sys> */
 var2 = glob_argc;
@@ -2818,83 +3091,79 @@ RET_LABEL1:(void)0;
 }
 var_argc = var;
 var3 = NEW_standard__Array(&type_standard__Array__standard__String);
-var4 = 0;
 {
-standard___standard__Array___with_capacity(var3, var4); /* Direct call array#Array#with_capacity on <var3:Array[String]>*/
+standard___standard__Array___with_capacity(var3, 0l); /* Direct call array#Array#with_capacity on <var3:Array[String]>*/
 }
 var_args = var3;
-var5 = 1;
-var_i = var5;
+var_i = 1l;
 for(;;) {
 {
 { /* Inline kernel#Int#< (var_i,var_argc) on <var_i:Int> */
 /* Covariant cast for argument 0 (i) <var_argc:Int> isa OTHER */
 /* <var_argc:Int> isa OTHER */
-var8 = 1; /* easy <var_argc:Int> isa OTHER*/
-if (unlikely(!var8)) {
+var6 = 1; /* easy <var_argc:Int> isa OTHER*/
+if (unlikely(!var6)) {
 var_class_name = type_standard__Int.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 410);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 534);
+fatal_exit(1);
 }
-var9 = var_i < var_argc;
-var6 = var9;
-goto RET_LABEL7;
-RET_LABEL7:(void)0;
+var7 = var_i < var_argc;
+var4 = var7;
+goto RET_LABEL5;
+RET_LABEL5:(void)0;
 }
 }
-if (var6){
-var10 = 1;
+if (var4){
 {
-{ /* Inline kernel#Int#- (var_i,var10) on <var_i:Int> */
-/* Covariant cast for argument 0 (i) <var10:Int> isa OTHER */
-/* <var10:Int> isa OTHER */
-var13 = 1; /* easy <var10:Int> isa OTHER*/
-if (unlikely(!var13)) {
-var_class_name16 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name16);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 416);
-show_backtrace(1);
+{ /* Inline kernel#Int#- (var_i,1l) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var10 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var10)) {
+var_class_name13 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name13);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 540);
+fatal_exit(1);
 }
-var17 = var_i - var10;
-var11 = var17;
-goto RET_LABEL12;
-RET_LABEL12:(void)0;
+var14 = var_i - 1l;
+var8 = var14;
+goto RET_LABEL9;
+RET_LABEL9:(void)0;
 }
 }
 {
 { /* Inline string#Sys#native_argv (self,var_i) on <self:Sys> */
-var20 = glob_argv[var_i];
-var18 = var20;
-goto RET_LABEL19;
-RET_LABEL19:(void)0;
+var17 = glob_argv[var_i];
+var15 = var17;
+goto RET_LABEL16;
+RET_LABEL16:(void)0;
 }
 }
 {
-var21 = standard___standard__NativeString___Object__to_s(var18);
+var18 = standard___standard__NativeString___Object__to_s(var15);
 }
 {
-standard___standard__Array___standard__abstract_collection__Sequence___91d_93d_61d(var_args, var11, var21); /* Direct call array#Array#[]= on <var_args:Array[String]>*/
+standard___standard__Array___standard__abstract_collection__Sequence___91d_93d_61d(var_args, var8, var18); /* Direct call array#Array#[]= on <var_args:Array[String]>*/
 }
-var22 = 1;
 {
-{ /* Inline kernel#Int#+ (var_i,var22) on <var_i:Int> */
-/* Covariant cast for argument 0 (i) <var22:Int> isa OTHER */
-/* <var22:Int> isa OTHER */
-var25 = 1; /* easy <var22:Int> isa OTHER*/
-if (unlikely(!var25)) {
-var_class_name28 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name28);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 413);
-show_backtrace(1);
+{ /* Inline kernel#Int#+ (var_i,1l) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var21 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var21)) {
+var_class_name24 = type_standard__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name24);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 537);
+fatal_exit(1);
 }
-var29 = var_i + var22;
-var23 = var29;
-goto RET_LABEL24;
-RET_LABEL24:(void)0;
+var25 = var_i + 1l;
+var19 = var25;
+goto RET_LABEL20;
+RET_LABEL20:(void)0;
 }
 }
-var_i = var23;
+var_i = var19;
 } else {
 goto BREAK_label;
 }
@@ -2923,3 +3192,290 @@ goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
+/* method string#Sys#alpha_comparator for (self: Sys): Comparator */
+val* standard__string___Sys___alpha_comparator(val* self) {
+val* var /* : Comparator */;
+static val* varonce;
+static int varonce_guard;
+val* var1 /* : AlphaComparator */;
+val* var2 /* : AlphaComparator */;
+if (likely(varonce_guard)) {
+var1 = varonce;
+} else {
+var2 = NEW_standard__string__AlphaComparator(&type_standard__string__AlphaComparator);
+{
+{ /* Inline kernel#Object#init (var2) on <var2:AlphaComparator> */
+RET_LABEL3:(void)0;
+}
+}
+var1 = var2;
+varonce = var1;
+varonce_guard = 1;
+}
+var = var1;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#Sys#args for (self: Sys): Sequence[String] */
+val* standard__string___Sys___args(val* self) {
+val* var /* : Sequence[String] */;
+val* var1 /* : Sys */;
+val* var3 /* : Sys */;
+val* var4 /* : Sequence[String] */;
+{
+{ /* Inline kernel#Object#sys (self) on <self:Sys> */
+var3 = glob_sys;
+var1 = var3;
+goto RET_LABEL2;
+RET_LABEL2:(void)0;
+}
+}
+{
+var4 = standard__string___Sys___program_args(var1);
+}
+var = var4;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#CachedAlphaComparator#cache for (self: CachedAlphaComparator): HashMap[Object, String] */
+val* standard___standard__CachedAlphaComparator___cache(val* self) {
+val* var /* : HashMap[Object, String] */;
+val* var1 /* : HashMap[Object, String] */;
+var1 = self->attrs[COLOR_standard__string__CachedAlphaComparator___cache].val; /* _cache on <self:CachedAlphaComparator> */
+if (unlikely(var1 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _cache");
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2531);
+fatal_exit(1);
+}
+var = var1;
+RET_LABEL:;
+return var;
+}
+/* method string#CachedAlphaComparator#do_to_s for (self: CachedAlphaComparator, Object): String */
+val* standard___standard__CachedAlphaComparator___do_to_s(val* self, val* p0) {
+val* var /* : String */;
+val* var_a /* var a: Object */;
+val* var1 /* : HashMap[Object, String] */;
+val* var3 /* : HashMap[Object, String] */;
+short int var4 /* : Bool */;
+val* var5 /* : HashMap[Object, String] */;
+val* var7 /* : HashMap[Object, String] */;
+val* var8 /* : nullable Object */;
+val* var9 /* : String */;
+val* var_res /* var res: String */;
+val* var10 /* : HashMap[Object, String] */;
+val* var12 /* : HashMap[Object, String] */;
+var_a = p0;
+{
+{ /* Inline string#CachedAlphaComparator#cache (self) on <self:CachedAlphaComparator> */
+var3 = self->attrs[COLOR_standard__string__CachedAlphaComparator___cache].val; /* _cache on <self:CachedAlphaComparator> */
+if (unlikely(var3 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _cache");
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2531);
+fatal_exit(1);
+}
+var1 = var3;
+RET_LABEL2:(void)0;
+}
+}
+{
+var4 = standard___standard__HashMap___standard__abstract_collection__MapRead__has_key(var1, var_a);
+}
+if (var4){
+{
+{ /* Inline string#CachedAlphaComparator#cache (self) on <self:CachedAlphaComparator> */
+var7 = self->attrs[COLOR_standard__string__CachedAlphaComparator___cache].val; /* _cache on <self:CachedAlphaComparator> */
+if (unlikely(var7 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _cache");
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2531);
+fatal_exit(1);
+}
+var5 = var7;
+RET_LABEL6:(void)0;
+}
+}
+{
+var8 = standard___standard__HashMap___standard__abstract_collection__MapRead___91d_93d(var5, var_a);
+}
+var = var8;
+goto RET_LABEL;
+} else {
+}
+{
+var9 = ((val*(*)(val* self))((((long)var_a&3)?class_info[((long)var_a&3)]:var_a->class)->vft[COLOR_standard__string__Object__to_s]))(var_a); /* to_s on <var_a:Object>*/
+}
+var_res = var9;
+{
+{ /* Inline string#CachedAlphaComparator#cache (self) on <self:CachedAlphaComparator> */
+var12 = self->attrs[COLOR_standard__string__CachedAlphaComparator___cache].val; /* _cache on <self:CachedAlphaComparator> */
+if (unlikely(var12 == NULL)) {
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _cache");
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2531);
+fatal_exit(1);
+}
+var10 = var12;
+RET_LABEL11:(void)0;
+}
+}
+{
+standard___standard__HashMap___standard__abstract_collection__Map___91d_93d_61d(var10, var_a, var_res); /* Direct call hash_collection#HashMap#[]= on <var10:HashMap[Object, String]>*/
+}
+var = var_res;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#CachedAlphaComparator#compare for (self: CachedAlphaComparator, Object, Object): Int */
+long standard___standard__CachedAlphaComparator___standard__sorter__Comparator__compare(val* self, val* p0, val* p1) {
+long var /* : Int */;
+short int var1 /* : Bool */;
+int cltype;
+int idtype;
+const struct type* type_struct;
+const char* var_class_name;
+short int var2 /* : Bool */;
+int cltype3;
+int idtype4;
+const struct type* type_struct5;
+const char* var_class_name6;
+val* var_a /* var a: Object */;
+val* var_b /* var b: Object */;
+val* var7 /* : String */;
+val* var8 /* : String */;
+long var9 /* : Int */;
+/* Covariant cast for argument 0 (a) <p0:Object> isa COMPARED */
+/* <p0:Object> isa COMPARED */
+type_struct = self->type->resolution_table->types[COLOR_standard__sorter__Comparator__COMPARED];
+cltype = type_struct->color;
+idtype = type_struct->id;
+if(cltype >= (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->table_size) {
+var1 = 0;
+} else {
+var1 = (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->type_table[cltype] == idtype;
+}
+if (unlikely(!var1)) {
+var_class_name = p0 == NULL ? "null" : (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "COMPARED", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2540);
+fatal_exit(1);
+}
+/* Covariant cast for argument 1 (b) <p1:Object> isa COMPARED */
+/* <p1:Object> isa COMPARED */
+type_struct5 = self->type->resolution_table->types[COLOR_standard__sorter__Comparator__COMPARED];
+cltype3 = type_struct5->color;
+idtype4 = type_struct5->id;
+if(cltype3 >= (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->table_size) {
+var2 = 0;
+} else {
+var2 = (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->type_table[cltype3] == idtype4;
+}
+if (unlikely(!var2)) {
+var_class_name6 = p1 == NULL ? "null" : (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "COMPARED", var_class_name6);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2540);
+fatal_exit(1);
+}
+var_a = p0;
+var_b = p1;
+{
+var7 = standard___standard__CachedAlphaComparator___do_to_s(self, var_a);
+}
+{
+var8 = standard___standard__CachedAlphaComparator___do_to_s(self, var_b);
+}
+{
+var9 = standard___standard__Comparable____60d_61d_62d(var7, var8);
+}
+var = var9;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}
+/* method string#AlphaComparator#compare for (self: AlphaComparator, nullable Object, nullable Object): Int */
+long standard__string___standard__string__AlphaComparator___standard__sorter__Comparator__compare(val* self, val* p0, val* p1) {
+long var /* : Int */;
+short int var1 /* : Bool */;
+int cltype;
+int idtype;
+const struct type* type_struct;
+short int is_nullable;
+const char* var_class_name;
+short int var2 /* : Bool */;
+int cltype3;
+int idtype4;
+const struct type* type_struct5;
+short int is_nullable6;
+const char* var_class_name7;
+val* var_a /* var a: nullable Object */;
+val* var_b /* var b: nullable Object */;
+val* var8 /* : String */;
+val* var9 /* : String */;
+long var10 /* : Int */;
+/* Covariant cast for argument 0 (a) <p0:nullable Object> isa COMPARED */
+/* <p0:nullable Object> isa COMPARED */
+type_struct = self->type->resolution_table->types[COLOR_standard__sorter__Comparator__COMPARED];
+cltype = type_struct->color;
+idtype = type_struct->id;
+is_nullable = type_struct->is_nullable;
+if(p0 == NULL) {
+var1 = is_nullable;
+} else {
+if(cltype >= (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->table_size) {
+var1 = 0;
+} else {
+var1 = (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->type_table[cltype] == idtype;
+}
+}
+if (unlikely(!var1)) {
+var_class_name = p0 == NULL ? "null" : (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "COMPARED", var_class_name);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2548);
+fatal_exit(1);
+}
+/* Covariant cast for argument 1 (b) <p1:nullable Object> isa COMPARED */
+/* <p1:nullable Object> isa COMPARED */
+type_struct5 = self->type->resolution_table->types[COLOR_standard__sorter__Comparator__COMPARED];
+cltype3 = type_struct5->color;
+idtype4 = type_struct5->id;
+is_nullable6 = type_struct5->is_nullable;
+if(p1 == NULL) {
+var2 = is_nullable6;
+} else {
+if(cltype3 >= (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->table_size) {
+var2 = 0;
+} else {
+var2 = (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->type_table[cltype3] == idtype4;
+}
+}
+if (unlikely(!var2)) {
+var_class_name7 = p1 == NULL ? "null" : (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "COMPARED", var_class_name7);
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2548);
+fatal_exit(1);
+}
+var_a = p0;
+var_b = p1;
+if (var_a == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2548);
+fatal_exit(1);
+} else {
+var8 = ((val*(*)(val* self))((((long)var_a&3)?class_info[((long)var_a&3)]:var_a->class)->vft[COLOR_standard__string__Object__to_s]))(var_a); /* to_s on <var_a:nullable Object>*/
+}
+if (var_b == NULL) {
+PRINT_ERROR("Runtime error: %s", "Receiver is null");
+PRINT_ERROR(" (%s:%d)\n", FILE_standard__string, 2548);
+fatal_exit(1);
+} else {
+var9 = ((val*(*)(val* self))((((long)var_b&3)?class_info[((long)var_b&3)]:var_b->class)->vft[COLOR_standard__string__Object__to_s]))(var_b); /* to_s on <var_b:nullable Object>*/
+}
+{
+var10 = standard___standard__Comparable____60d_61d_62d(var8, var9);
+}
+var = var10;
+goto RET_LABEL;
+RET_LABEL:;
+return var;
+}