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

diff --git a/c_src/kernel._sep.c b/c_src/standard___kernel._sep.c
similarity index 60%
rename from c_src/kernel._sep.c
rename to c_src/standard___kernel._sep.c
index cbf3cf8..09c7b4f 100644
--- a/c_src/kernel._sep.c
+++ b/c_src/standard___kernel._sep.c
@@ -1,13 +1,13 @@
-/* This C file is generated by NIT to compile module kernel. */
-#include "kernel._sep.h"
-val_t kernel___Object___object_id(val_t p0){
+/* This C file is generated by NIT to compile module standard___kernel. */
+#include "standard___kernel._sep.h"
+val_t standard___kernel___Object___object_id(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
+  fra.me.file = LOCATE_standard___kernel;
   fra.me.line = 26;
-  fra.me.meth = LOCATE_kernel___Object___object_id;
+  fra.me.meth = LOCATE_standard___kernel___Object___object_id;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
@@ -17,14 +17,14 @@ val_t kernel___Object___object_id(val_t p0){
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Object___is_same_type(val_t p0, val_t p1){
+val_t standard___kernel___Object___is_same_type(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
+  fra.me.file = LOCATE_standard___kernel;
   fra.me.line = 29;
-  fra.me.meth = LOCATE_kernel___Object___is_same_type;
+  fra.me.meth = LOCATE_standard___kernel___Object___is_same_type;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
@@ -36,14 +36,14 @@ val_t kernel___Object___is_same_type(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Object_____eqeq(val_t p0, val_t p1){
+val_t standard___kernel___Object_____eqeq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
+  fra.me.file = LOCATE_standard___kernel;
   fra.me.line = 32;
-  fra.me.meth = LOCATE_kernel___Object_____eqeq;
+  fra.me.meth = LOCATE_standard___kernel___Object_____eqeq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
@@ -57,15 +57,15 @@ val_t kernel___Object_____eqeq(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Object_____neq(val_t p0, val_t p1){
+val_t standard___kernel___Object_____neq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
+  fra.me.file = LOCATE_standard___kernel;
   fra.me.line = 37;
-  fra.me.meth = LOCATE_kernel___Object_____neq;
+  fra.me.meth = LOCATE_standard___kernel___Object_____neq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
@@ -76,7 +76,7 @@ val_t kernel___Object_____neq(val_t p0, val_t p1){
   REGB0 = TAG_Bool(IS_EQUAL_ON(fra.me.REG[0],fra.me.REG[1]));
   if (UNTAG_Bool(REGB0)) {
   } else {
-    REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+    REGB1 = CALL_standard___kernel___Object_____eqeq(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
     REGB0 = REGB1;
   }
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
@@ -85,74 +85,90 @@ val_t kernel___Object_____neq(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-void kernel___Object___output(val_t p0){
+void standard___kernel___Object___output(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
+  fra.me.file = LOCATE_standard___kernel;
   fra.me.line = 42;
-  fra.me.meth = LOCATE_kernel___Object___output;
+  fra.me.meth = LOCATE_standard___kernel___Object___output;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
   /* ./../lib/standard//kernel.nit:45 */
   REGB0 = TAG_Char('<');
-  /* ./../lib/standard//kernel.nit:349 */
+  /* ./../lib/standard//kernel.nit:352 */
   printf("%c", (unsigned char)UNTAG_Char(REGB0));;
   /* ./../lib/standard//kernel.nit:46 */
-  REGB0 = CALL_kernel___Object___object_id(fra.me.REG[0])(fra.me.REG[0]);
-  /* ./../lib/standard//kernel.nit:209 */
+  REGB0 = CALL_standard___kernel___Object___object_id(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./../lib/standard//kernel.nit:212 */
   printf("%ld\n", UNTAG_Int(REGB0));;
   /* ./../lib/standard//kernel.nit:47 */
   REGB0 = TAG_Char('>');
-  /* ./../lib/standard//kernel.nit:349 */
+  /* ./../lib/standard//kernel.nit:352 */
   printf("%c", (unsigned char)UNTAG_Char(REGB0));;
   stack_frame_head = fra.me.prev;
   return;
 }
-void kernel___Object___exit(val_t p0, val_t p1){
+void standard___kernel___Object___output_class_name(val_t p0){
   struct {struct stack_frame_t me;} fra;
-  val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
+  fra.me.file = LOCATE_standard___kernel;
   fra.me.line = 50;
-  fra.me.meth = LOCATE_kernel___Object___exit;
+  fra.me.meth = LOCATE_standard___kernel___Object___output_class_name;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  REGB0 = p1;
   /* ./../lib/standard//kernel.nit:50 */
+  printf("%s\n", VAL2VFT(fra.me.REG[0])[2].cname);;
+  stack_frame_head = fra.me.prev;
+  return;
+}
+void standard___kernel___Object___exit(val_t p0, val_t p1){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 53;
+  fra.me.meth = LOCATE_standard___kernel___Object___exit;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  REGB0 = p1;
+  /* ./../lib/standard//kernel.nit:53 */
   exit(UNTAG_Int(REGB0));;
   stack_frame_head = fra.me.prev;
   return;
 }
-val_t kernel___Object___sys(val_t p0){
+val_t standard___kernel___Object___sys(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 51;
-  fra.me.meth = LOCATE_kernel___Object___sys;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 54;
+  fra.me.meth = LOCATE_standard___kernel___Object___sys;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./../lib/standard//kernel.nit:51 */
+  /* ./../lib/standard//kernel.nit:54 */
   fra.me.REG[0] = (G_sys);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
-void kernel___Sys___main(val_t p0){
+void standard___kernel___Sys___main(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 56;
-  fra.me.meth = LOCATE_kernel___Sys___main;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 59;
+  fra.me.meth = LOCATE_standard___kernel___Sys___main;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
@@ -160,134 +176,134 @@ void kernel___Sys___main(val_t p0){
   stack_frame_head = fra.me.prev;
   return;
 }
-void kernel___Sys___init(val_t p0, int* init_table){
-  int itpos0 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_Sys].i;
+void standard___kernel___Sys___init(val_t p0, int* init_table){
+  int itpos0 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_standard___kernel___Sys].i;
   struct {struct stack_frame_t me;} fra;
   val_t tmp;
   if (init_table[itpos0]) return;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
+  fra.me.file = LOCATE_standard___kernel;
   fra.me.line = 0;
-  fra.me.meth = LOCATE_kernel___Sys___init;
+  fra.me.meth = LOCATE_standard___kernel___Sys___init;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   stack_frame_head = fra.me.prev;
   init_table[itpos0] = 1;
   return;
 }
-val_t kernel___Comparable_____l(val_t p0, val_t p1){
+val_t standard___kernel___Comparable_____l(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 69;
-  fra.me.meth = LOCATE_kernel___Comparable_____l;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 72;
+  fra.me.meth = LOCATE_standard___kernel___Comparable_____l;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./../lib/standard//kernel.nit:69 */
-  nit_abort("Deferred method called", NULL, LOCATE_kernel, 69);
+  /* ./../lib/standard//kernel.nit:72 */
+  nit_abort("Deferred method called", NULL, LOCATE_standard___kernel, 72);
   stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
-val_t kernel___Comparable_____leq(val_t p0, val_t p1){
+val_t standard___kernel___Comparable_____leq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 72;
-  fra.me.meth = LOCATE_kernel___Comparable_____leq;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 75;
+  fra.me.meth = LOCATE_standard___kernel___Comparable_____leq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//kernel.nit:73 */
-  REGB0 = CALL_kernel___Comparable_____l(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./../lib/standard//kernel.nit:76 */
+  REGB0 = CALL_standard___kernel___Comparable_____l(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Comparable_____geq(val_t p0, val_t p1){
+val_t standard___kernel___Comparable_____geq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 75;
-  fra.me.meth = LOCATE_kernel___Comparable_____geq;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 78;
+  fra.me.meth = LOCATE_standard___kernel___Comparable_____geq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//kernel.nit:76 */
-  REGB0 = CALL_kernel___Comparable_____l(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./../lib/standard//kernel.nit:79 */
+  REGB0 = CALL_standard___kernel___Comparable_____l(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Comparable_____g(val_t p0, val_t p1){
+val_t standard___kernel___Comparable_____g(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 78;
-  fra.me.meth = LOCATE_kernel___Comparable_____g;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 81;
+  fra.me.meth = LOCATE_standard___kernel___Comparable_____g;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//kernel.nit:79 */
-  REGB0 = CALL_kernel___Comparable_____l(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./../lib/standard//kernel.nit:82 */
+  REGB0 = CALL_standard___kernel___Comparable_____l(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Comparable_____leqg(val_t p0, val_t p1){
+val_t standard___kernel___Comparable_____leqg(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 81;
-  fra.me.meth = LOCATE_kernel___Comparable_____leqg;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 84;
+  fra.me.meth = LOCATE_standard___kernel___Comparable_____leqg;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//kernel.nit:84 */
-  REGB0 = CALL_kernel___Comparable_____l(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./../lib/standard//kernel.nit:87 */
+  REGB0 = CALL_standard___kernel___Comparable_____l(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   if (UNTAG_Bool(REGB0)) {
-    /* ./../lib/standard//kernel.nit:85 */
+    /* ./../lib/standard//kernel.nit:88 */
     REGB0 = TAG_Int(1);
-    /* ./../lib/standard//kernel.nit:216 */
+    /* ./../lib/standard//kernel.nit:219 */
     REGB0 = TAG_Int(-UNTAG_Int(REGB0));
-    /* ./../lib/standard//kernel.nit:85 */
+    /* ./../lib/standard//kernel.nit:88 */
     goto label1;
   } else {
-    /* ./../lib/standard//kernel.nit:86 */
-    REGB1 = CALL_kernel___Comparable_____l(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+    /* ./../lib/standard//kernel.nit:89 */
+    REGB1 = CALL_standard___kernel___Comparable_____l(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
     if (UNTAG_Bool(REGB1)) {
-      /* ./../lib/standard//kernel.nit:87 */
+      /* ./../lib/standard//kernel.nit:90 */
       REGB1 = TAG_Int(1);
       REGB0 = REGB1;
       goto label1;
     } else {
-      /* ./../lib/standard//kernel.nit:89 */
+      /* ./../lib/standard//kernel.nit:92 */
       REGB1 = TAG_Int(0);
       REGB0 = REGB1;
       goto label1;
@@ -297,15 +313,15 @@ val_t kernel___Comparable_____leqg(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Comparable___is_between(val_t p0, val_t p1, val_t p2){
+val_t standard___kernel___Comparable___is_between(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 93;
-  fra.me.meth = LOCATE_kernel___Comparable___is_between;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 96;
+  fra.me.meth = LOCATE_standard___kernel___Comparable___is_between;
   fra.me.has_broke = 0;
   fra.me.REG_size = 3;
   fra.me.REG[0] = NIT_NULL;
@@ -314,10 +330,10 @@ val_t kernel___Comparable___is_between(val_t p0, val_t p1, val_t p2){
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
   fra.me.REG[2] = p2;
-  /* ./../lib/standard//kernel.nit:96 */
-  REGB0 = CALL_kernel___Comparable_____leq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./../lib/standard//kernel.nit:99 */
+  REGB0 = CALL_standard___kernel___Comparable_____leq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
   if (UNTAG_Bool(REGB0)) {
-    REGB0 = CALL_kernel___Comparable_____leq(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
+    REGB0 = CALL_standard___kernel___Comparable_____leq(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
   } else {
     REGB1 = TAG_Bool(false);
     REGB0 = REGB1;
@@ -327,27 +343,27 @@ val_t kernel___Comparable___is_between(val_t p0, val_t p1, val_t p2){
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Comparable___max(val_t p0, val_t p1){
+val_t standard___kernel___Comparable___max(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 99;
-  fra.me.meth = LOCATE_kernel___Comparable___max;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 102;
+  fra.me.meth = LOCATE_standard___kernel___Comparable___max;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//kernel.nit:102 */
-  REGB0 = CALL_kernel___Comparable_____l(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./../lib/standard//kernel.nit:105 */
+  REGB0 = CALL_standard___kernel___Comparable_____l(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   if (UNTAG_Bool(REGB0)) {
-    /* ./../lib/standard//kernel.nit:103 */
+    /* ./../lib/standard//kernel.nit:106 */
     goto label1;
   } else {
-    /* ./../lib/standard//kernel.nit:105 */
+    /* ./../lib/standard//kernel.nit:108 */
     fra.me.REG[1] = fra.me.REG[0];
     goto label1;
   }
@@ -355,27 +371,27 @@ val_t kernel___Comparable___max(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
-val_t kernel___Comparable___min(val_t p0, val_t p1){
+val_t standard___kernel___Comparable___min(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 109;
-  fra.me.meth = LOCATE_kernel___Comparable___min;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 112;
+  fra.me.meth = LOCATE_standard___kernel___Comparable___min;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//kernel.nit:112 */
-  REGB0 = CALL_kernel___Comparable_____l(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./../lib/standard//kernel.nit:115 */
+  REGB0 = CALL_standard___kernel___Comparable_____l(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
   if (UNTAG_Bool(REGB0)) {
-    /* ./../lib/standard//kernel.nit:113 */
+    /* ./../lib/standard//kernel.nit:116 */
     goto label1;
   } else {
-    /* ./../lib/standard//kernel.nit:115 */
+    /* ./../lib/standard//kernel.nit:118 */
     fra.me.REG[1] = fra.me.REG[0];
     goto label1;
   }
@@ -383,84 +399,84 @@ val_t kernel___Comparable___min(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
-val_t kernel___Discrete___succ(val_t p0){
+val_t standard___kernel___Discrete___succ(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 126;
-  fra.me.meth = LOCATE_kernel___Discrete___succ;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 129;
+  fra.me.meth = LOCATE_standard___kernel___Discrete___succ;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./../lib/standard//kernel.nit:127 */
+  /* ./../lib/standard//kernel.nit:130 */
   REGB0 = TAG_Int(1);
-  fra.me.REG[0] = CALL_kernel___Discrete_____plus(fra.me.REG[0])(fra.me.REG[0], REGB0);
+  fra.me.REG[0] = CALL_standard___kernel___Discrete_____plus(fra.me.REG[0])(fra.me.REG[0], REGB0);
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
-val_t kernel___Discrete___prec(val_t p0){
+val_t standard___kernel___Discrete___prec(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 129;
-  fra.me.meth = LOCATE_kernel___Discrete___prec;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 132;
+  fra.me.meth = LOCATE_standard___kernel___Discrete___prec;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./../lib/standard//kernel.nit:130 */
+  /* ./../lib/standard//kernel.nit:133 */
   REGB0 = TAG_Int(1);
-  fra.me.REG[0] = CALL_kernel___Discrete_____minus(fra.me.REG[0])(fra.me.REG[0], REGB0);
+  fra.me.REG[0] = CALL_standard___kernel___Discrete_____minus(fra.me.REG[0])(fra.me.REG[0], REGB0);
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
-val_t kernel___Discrete_____plus(val_t p0, val_t p1){
+val_t standard___kernel___Discrete_____plus(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 132;
-  fra.me.meth = LOCATE_kernel___Discrete_____plus;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 135;
+  fra.me.meth = LOCATE_standard___kernel___Discrete_____plus;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./../lib/standard//kernel.nit:132 */
-  nit_abort("Deferred method called", NULL, LOCATE_kernel, 132);
+  /* ./../lib/standard//kernel.nit:135 */
+  nit_abort("Deferred method called", NULL, LOCATE_standard___kernel, 135);
   stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
-val_t kernel___Discrete_____minus(val_t p0, val_t p1){
+val_t standard___kernel___Discrete_____minus(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 135;
-  fra.me.meth = LOCATE_kernel___Discrete_____minus;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 138;
+  fra.me.meth = LOCATE_standard___kernel___Discrete_____minus;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
-  /* ./../lib/standard//kernel.nit:135 */
-  nit_abort("Deferred method called", NULL, LOCATE_kernel, 135);
+  /* ./../lib/standard//kernel.nit:138 */
+  nit_abort("Deferred method called", NULL, LOCATE_standard___kernel, 138);
   stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
-val_t kernel___Discrete___distance(val_t p0, val_t p1){
+val_t standard___kernel___Discrete___distance(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
   val_t REGB0;
   val_t REGB1;
   val_t REGB2;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 138;
-  fra.me.meth = LOCATE_kernel___Discrete___distance;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 141;
+  fra.me.meth = LOCATE_standard___kernel___Discrete___distance;
   fra.me.has_broke = 0;
   fra.me.REG_size = 4;
   fra.me.REG[0] = NIT_NULL;
@@ -469,696 +485,696 @@ val_t kernel___Discrete___distance(val_t p0, val_t p1){
   fra.me.REG[3] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//kernel.nit:145 */
-  REGB0 = CALL_kernel___Comparable_____l(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./../lib/standard//kernel.nit:148 */
+  REGB0 = CALL_standard___kernel___Comparable_____l(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
   if (UNTAG_Bool(REGB0)) {
-    /* ./../lib/standard//kernel.nit:146 */
+    /* ./../lib/standard//kernel.nit:149 */
     fra.me.REG[2] = fra.me.REG[0];
-    /* ./../lib/standard//kernel.nit:147 */
+    /* ./../lib/standard//kernel.nit:150 */
     fra.me.REG[3] = fra.me.REG[1];
   } else {
-    /* ./../lib/standard//kernel.nit:148 */
-    REGB0 = CALL_kernel___Comparable_____g(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+    /* ./../lib/standard//kernel.nit:151 */
+    REGB0 = CALL_standard___kernel___Comparable_____g(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
     if (UNTAG_Bool(REGB0)) {
-      /* ./../lib/standard//kernel.nit:149 */
+      /* ./../lib/standard//kernel.nit:152 */
       fra.me.REG[2] = fra.me.REG[1];
-      /* ./../lib/standard//kernel.nit:150 */
+      /* ./../lib/standard//kernel.nit:153 */
       fra.me.REG[3] = fra.me.REG[0];
     } else {
-      /* ./../lib/standard//kernel.nit:152 */
+      /* ./../lib/standard//kernel.nit:155 */
       REGB0 = TAG_Int(0);
       goto label1;
     }
   }
-  /* ./../lib/standard//kernel.nit:155 */
+  /* ./../lib/standard//kernel.nit:158 */
   REGB1 = TAG_Int(0);
-  /* ./../lib/standard//kernel.nit:156 */
+  /* ./../lib/standard//kernel.nit:159 */
   while(1) {
-    REGB2 = CALL_kernel___Comparable_____l(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+    REGB2 = CALL_standard___kernel___Comparable_____l(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
     if (UNTAG_Bool(REGB2)) {
-      /* ./../lib/standard//kernel.nit:157 */
-      fra.me.REG[0] = CALL_kernel___Discrete___succ(fra.me.REG[2])(fra.me.REG[2]);
+      /* ./../lib/standard//kernel.nit:160 */
+      fra.me.REG[0] = CALL_standard___kernel___Discrete___succ(fra.me.REG[2])(fra.me.REG[2]);
       fra.me.REG[2] = fra.me.REG[0];
-      /* ./../lib/standard//kernel.nit:158 */
+      /* ./../lib/standard//kernel.nit:161 */
       REGB2 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:215 */
+      /* ./../lib/standard//kernel.nit:218 */
       REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB2));
-      /* ./../lib/standard//kernel.nit:158 */
+      /* ./../lib/standard//kernel.nit:161 */
       REGB1 = REGB2;
     } else {
-      /* ./../lib/standard//kernel.nit:156 */
+      /* ./../lib/standard//kernel.nit:159 */
       goto label2;
     }
   }
   label2: while(0);
-  /* ./../lib/standard//kernel.nit:160 */
+  /* ./../lib/standard//kernel.nit:163 */
   REGB0 = REGB1;
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Bool___object_id(val_t p0){
+val_t standard___kernel___Bool___object_id(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 174;
-  fra.me.meth = LOCATE_kernel___Bool___object_id;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 177;
+  fra.me.meth = LOCATE_standard___kernel___Bool___object_id;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:174 */
+  /* ./../lib/standard//kernel.nit:177 */
   REGB0 = TAG_Int(UNTAG_Bool(REGB0));
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Bool_____eqeq(val_t p0, val_t p1){
+val_t standard___kernel___Bool_____eqeq(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 175;
-  fra.me.meth = LOCATE_kernel___Bool_____eqeq;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 178;
+  fra.me.meth = LOCATE_standard___kernel___Bool_____eqeq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   REGB0 = p0;
   fra.me.REG[0] = p1;
-  /* ./../lib/standard//kernel.nit:175 */
+  /* ./../lib/standard//kernel.nit:178 */
   REGB0 = TAG_Bool((REGB0)==(fra.me.REG[0]));
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Bool_____neq(val_t p0, val_t p1){
+val_t standard___kernel___Bool_____neq(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 176;
-  fra.me.meth = LOCATE_kernel___Bool_____neq;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 179;
+  fra.me.meth = LOCATE_standard___kernel___Bool_____neq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   REGB0 = p0;
   fra.me.REG[0] = p1;
-  /* ./../lib/standard//kernel.nit:176 */
+  /* ./../lib/standard//kernel.nit:179 */
   REGB0 = TAG_Bool((REGB0)!=(fra.me.REG[0]));
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-void kernel___Bool___output(val_t p0){
+void standard___kernel___Bool___output(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 177;
-  fra.me.meth = LOCATE_kernel___Bool___output;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 180;
+  fra.me.meth = LOCATE_standard___kernel___Bool___output;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:177 */
+  /* ./../lib/standard//kernel.nit:180 */
   (void)printf(UNTAG_Bool(REGB0)?"true\n":"false\n");;
   stack_frame_head = fra.me.prev;
   return;
 }
-val_t kernel___Float___object_id(val_t p0){
+val_t standard___kernel___Float___object_id(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 183;
-  fra.me.meth = LOCATE_kernel___Float___object_id;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 186;
+  fra.me.meth = LOCATE_standard___kernel___Float___object_id;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./../lib/standard//kernel.nit:183 */
+  /* ./../lib/standard//kernel.nit:186 */
   REGB0 = TAG_Int((bigint)UNBOX_Float(fra.me.REG[0]));
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-void kernel___Float___output(val_t p0){
+void standard___kernel___Float___output(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 184;
-  fra.me.meth = LOCATE_kernel___Float___output;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 187;
+  fra.me.meth = LOCATE_standard___kernel___Float___output;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./../lib/standard//kernel.nit:184 */
+  /* ./../lib/standard//kernel.nit:187 */
   printf("%f\n", UNBOX_Float(fra.me.REG[0]));;
   stack_frame_head = fra.me.prev;
   return;
 }
-val_t kernel___Float_____leq(val_t p0, val_t p1){
+val_t standard___kernel___Float_____leq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 186;
-  fra.me.meth = LOCATE_kernel___Float_____leq;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 189;
+  fra.me.meth = LOCATE_standard___kernel___Float_____leq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//kernel.nit:186 */
+  /* ./../lib/standard//kernel.nit:189 */
   REGB0 = TAG_Bool(UNBOX_Float(fra.me.REG[0])<=UNBOX_Float(fra.me.REG[1]));
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Float_____l(val_t p0, val_t p1){
+val_t standard___kernel___Float_____l(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 187;
-  fra.me.meth = LOCATE_kernel___Float_____l;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 190;
+  fra.me.meth = LOCATE_standard___kernel___Float_____l;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//kernel.nit:187 */
+  /* ./../lib/standard//kernel.nit:190 */
   REGB0 = TAG_Bool(UNBOX_Float(fra.me.REG[0])<UNBOX_Float(fra.me.REG[1]));
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Float_____geq(val_t p0, val_t p1){
+val_t standard___kernel___Float_____geq(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 188;
-  fra.me.meth = LOCATE_kernel___Float_____geq;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 191;
+  fra.me.meth = LOCATE_standard___kernel___Float_____geq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//kernel.nit:188 */
+  /* ./../lib/standard//kernel.nit:191 */
   REGB0 = TAG_Bool(UNBOX_Float(fra.me.REG[0])>=UNBOX_Float(fra.me.REG[1]));
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Float_____g(val_t p0, val_t p1){
+val_t standard___kernel___Float_____g(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 189;
-  fra.me.meth = LOCATE_kernel___Float_____g;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 192;
+  fra.me.meth = LOCATE_standard___kernel___Float_____g;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//kernel.nit:189 */
+  /* ./../lib/standard//kernel.nit:192 */
   REGB0 = TAG_Bool(UNBOX_Float(fra.me.REG[0])>UNBOX_Float(fra.me.REG[1]));
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Float_____plus(val_t p0, val_t p1){
+val_t standard___kernel___Float_____plus(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 190;
-  fra.me.meth = LOCATE_kernel___Float_____plus;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 193;
+  fra.me.meth = LOCATE_standard___kernel___Float_____plus;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//kernel.nit:190 */
+  /* ./../lib/standard//kernel.nit:193 */
   fra.me.REG[1] = BOX_Float(UNBOX_Float(fra.me.REG[0])+UNBOX_Float(fra.me.REG[1]));
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
-val_t kernel___Float___unary__minus(val_t p0){
+val_t standard___kernel___Float___unary__minus(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 191;
-  fra.me.meth = LOCATE_kernel___Float___unary__minus;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 194;
+  fra.me.meth = LOCATE_standard___kernel___Float___unary__minus;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./../lib/standard//kernel.nit:191 */
+  /* ./../lib/standard//kernel.nit:194 */
   fra.me.REG[0] = BOX_Float(-UNBOX_Float(fra.me.REG[0]));
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
-val_t kernel___Float_____minus(val_t p0, val_t p1){
+val_t standard___kernel___Float_____minus(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 192;
-  fra.me.meth = LOCATE_kernel___Float_____minus;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 195;
+  fra.me.meth = LOCATE_standard___kernel___Float_____minus;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//kernel.nit:192 */
+  /* ./../lib/standard//kernel.nit:195 */
   fra.me.REG[1] = BOX_Float(UNBOX_Float(fra.me.REG[0])-UNBOX_Float(fra.me.REG[1]));
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
-val_t kernel___Float_____star(val_t p0, val_t p1){
+val_t standard___kernel___Float_____star(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 193;
-  fra.me.meth = LOCATE_kernel___Float_____star;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 196;
+  fra.me.meth = LOCATE_standard___kernel___Float_____star;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//kernel.nit:193 */
+  /* ./../lib/standard//kernel.nit:196 */
   fra.me.REG[1] = BOX_Float(UNBOX_Float(fra.me.REG[0])*UNBOX_Float(fra.me.REG[1]));
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
-val_t kernel___Float_____slash(val_t p0, val_t p1){
+val_t standard___kernel___Float_____slash(val_t p0, val_t p1){
   struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 194;
-  fra.me.meth = LOCATE_kernel___Float_____slash;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 197;
+  fra.me.meth = LOCATE_standard___kernel___Float_____slash;
   fra.me.has_broke = 0;
   fra.me.REG_size = 2;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[1] = NIT_NULL;
   fra.me.REG[0] = p0;
   fra.me.REG[1] = p1;
-  /* ./../lib/standard//kernel.nit:194 */
+  /* ./../lib/standard//kernel.nit:197 */
   fra.me.REG[1] = BOX_Float(UNBOX_Float(fra.me.REG[0])/UNBOX_Float(fra.me.REG[1]));
   stack_frame_head = fra.me.prev;
   return fra.me.REG[1];
 }
-val_t kernel___Float___to_i(val_t p0){
+val_t standard___kernel___Float___to_i(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 196;
-  fra.me.meth = LOCATE_kernel___Float___to_i;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 199;
+  fra.me.meth = LOCATE_standard___kernel___Float___to_i;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   fra.me.REG[0] = p0;
-  /* ./../lib/standard//kernel.nit:196 */
+  /* ./../lib/standard//kernel.nit:199 */
   REGB0 = TAG_Int((bigint)UNBOX_Float(fra.me.REG[0]));
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Int___object_id(val_t p0){
+val_t standard___kernel___Int___object_id(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 206;
-  fra.me.meth = LOCATE_kernel___Int___object_id;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 209;
+  fra.me.meth = LOCATE_standard___kernel___Int___object_id;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:206 */
+  /* ./../lib/standard//kernel.nit:209 */
   REGB0 = REGB0;
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Int_____eqeq(val_t p0, val_t p1){
+val_t standard___kernel___Int_____eqeq(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 207;
-  fra.me.meth = LOCATE_kernel___Int_____eqeq;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 210;
+  fra.me.meth = LOCATE_standard___kernel___Int_____eqeq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   REGB0 = p0;
   fra.me.REG[0] = p1;
-  /* ./../lib/standard//kernel.nit:207 */
+  /* ./../lib/standard//kernel.nit:210 */
   REGB0 = TAG_Bool((REGB0)==(fra.me.REG[0]));
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Int_____neq(val_t p0, val_t p1){
+val_t standard___kernel___Int_____neq(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 208;
-  fra.me.meth = LOCATE_kernel___Int_____neq;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 211;
+  fra.me.meth = LOCATE_standard___kernel___Int_____neq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   REGB0 = p0;
   fra.me.REG[0] = p1;
-  /* ./../lib/standard//kernel.nit:208 */
+  /* ./../lib/standard//kernel.nit:211 */
   REGB0 = TAG_Bool((REGB0)!=(fra.me.REG[0]));
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-void kernel___Int___output(val_t p0){
+void standard___kernel___Int___output(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 209;
-  fra.me.meth = LOCATE_kernel___Int___output;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 212;
+  fra.me.meth = LOCATE_standard___kernel___Int___output;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:209 */
+  /* ./../lib/standard//kernel.nit:212 */
   printf("%ld\n", UNTAG_Int(REGB0));;
   stack_frame_head = fra.me.prev;
   return;
 }
-val_t kernel___Int_____leq(val_t p0, val_t p1){
+val_t standard___kernel___Int_____leq(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 211;
-  fra.me.meth = LOCATE_kernel___Int_____leq;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 214;
+  fra.me.meth = LOCATE_standard___kernel___Int_____leq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:211 */
+  /* ./../lib/standard//kernel.nit:214 */
   REGB1 = TAG_Bool(UNTAG_Int(REGB0)<=UNTAG_Int(REGB1));
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Int_____l(val_t p0, val_t p1){
+val_t standard___kernel___Int_____l(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 212;
-  fra.me.meth = LOCATE_kernel___Int_____l;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 215;
+  fra.me.meth = LOCATE_standard___kernel___Int_____l;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:212 */
+  /* ./../lib/standard//kernel.nit:215 */
   REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Int_____geq(val_t p0, val_t p1){
+val_t standard___kernel___Int_____geq(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 213;
-  fra.me.meth = LOCATE_kernel___Int_____geq;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 216;
+  fra.me.meth = LOCATE_standard___kernel___Int_____geq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:213 */
+  /* ./../lib/standard//kernel.nit:216 */
   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB1));
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Int_____g(val_t p0, val_t p1){
+val_t standard___kernel___Int_____g(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 214;
-  fra.me.meth = LOCATE_kernel___Int_____g;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 217;
+  fra.me.meth = LOCATE_standard___kernel___Int_____g;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:214 */
+  /* ./../lib/standard//kernel.nit:217 */
   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB1));
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Int_____plus(val_t p0, val_t p1){
+val_t standard___kernel___Int_____plus(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 215;
-  fra.me.meth = LOCATE_kernel___Int_____plus;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 218;
+  fra.me.meth = LOCATE_standard___kernel___Int_____plus;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:215 */
+  /* ./../lib/standard//kernel.nit:218 */
   REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Int___unary__minus(val_t p0){
+val_t standard___kernel___Int___unary__minus(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 216;
-  fra.me.meth = LOCATE_kernel___Int___unary__minus;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 219;
+  fra.me.meth = LOCATE_standard___kernel___Int___unary__minus;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:216 */
+  /* ./../lib/standard//kernel.nit:219 */
   REGB0 = TAG_Int(-UNTAG_Int(REGB0));
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Int_____minus(val_t p0, val_t p1){
+val_t standard___kernel___Int_____minus(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 217;
-  fra.me.meth = LOCATE_kernel___Int_____minus;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 220;
+  fra.me.meth = LOCATE_standard___kernel___Int_____minus;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:217 */
+  /* ./../lib/standard//kernel.nit:220 */
   REGB1 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB1));
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Int_____star(val_t p0, val_t p1){
+val_t standard___kernel___Int_____star(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 218;
-  fra.me.meth = LOCATE_kernel___Int_____star;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 221;
+  fra.me.meth = LOCATE_standard___kernel___Int_____star;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:218 */
+  /* ./../lib/standard//kernel.nit:221 */
   REGB1 = TAG_Int(UNTAG_Int(REGB0)*UNTAG_Int(REGB1));
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Int_____slash(val_t p0, val_t p1){
+val_t standard___kernel___Int_____slash(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 219;
-  fra.me.meth = LOCATE_kernel___Int_____slash;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 222;
+  fra.me.meth = LOCATE_standard___kernel___Int_____slash;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:219 */
+  /* ./../lib/standard//kernel.nit:222 */
   REGB1 = TAG_Int(UNTAG_Int(REGB0)/UNTAG_Int(REGB1));
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Int_____percent(val_t p0, val_t p1){
+val_t standard___kernel___Int_____percent(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 220;
-  fra.me.meth = LOCATE_kernel___Int_____percent;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 223;
+  fra.me.meth = LOCATE_standard___kernel___Int_____percent;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:220 */
+  /* ./../lib/standard//kernel.nit:223 */
   REGB1 = TAG_Int(UNTAG_Int(REGB0)%UNTAG_Int(REGB1));
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Int___lshift(val_t p0, val_t p1){
+val_t standard___kernel___Int___lshift(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 221;
-  fra.me.meth = LOCATE_kernel___Int___lshift;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 224;
+  fra.me.meth = LOCATE_standard___kernel___Int___lshift;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:221 */
+  /* ./../lib/standard//kernel.nit:224 */
   REGB1 = TAG_Int(UNTAG_Int(REGB0)<<UNTAG_Int(REGB1));
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Int___rshift(val_t p0, val_t p1){
+val_t standard___kernel___Int___rshift(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 222;
-  fra.me.meth = LOCATE_kernel___Int___rshift;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 225;
+  fra.me.meth = LOCATE_standard___kernel___Int___rshift;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:222 */
+  /* ./../lib/standard//kernel.nit:225 */
   REGB1 = TAG_Int(UNTAG_Int(REGB0)>>UNTAG_Int(REGB1));
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Int___to_f(val_t p0){
+val_t standard___kernel___Int___to_f(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 224;
-  fra.me.meth = LOCATE_kernel___Int___to_f;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 227;
+  fra.me.meth = LOCATE_standard___kernel___Int___to_f;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:224 */
+  /* ./../lib/standard//kernel.nit:227 */
   fra.me.REG[0] = BOX_Float((float)UNTAG_Int(REGB0));
   stack_frame_head = fra.me.prev;
   return fra.me.REG[0];
 }
-val_t kernel___Int___succ(val_t p0){
+val_t standard___kernel___Int___succ(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 227;
-  fra.me.meth = LOCATE_kernel___Int___succ;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 230;
+  fra.me.meth = LOCATE_standard___kernel___Int___succ;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:227 */
+  /* ./../lib/standard//kernel.nit:230 */
   REGB0 = TAG_Int(UNTAG_Int(REGB0)+1);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Int___prec(val_t p0){
+val_t standard___kernel___Int___prec(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 228;
-  fra.me.meth = LOCATE_kernel___Int___prec;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 231;
+  fra.me.meth = LOCATE_standard___kernel___Int___prec;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:228 */
+  /* ./../lib/standard//kernel.nit:231 */
   REGB0 = TAG_Int(UNTAG_Int(REGB0)-1);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Int___distance(val_t p0, val_t p1){
+val_t standard___kernel___Int___distance(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 229;
-  fra.me.meth = LOCATE_kernel___Int___distance;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 232;
+  fra.me.meth = LOCATE_standard___kernel___Int___distance;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:217 */
+  /* ./../lib/standard//kernel.nit:220 */
   REGB1 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB1));
-  /* ./../lib/standard//kernel.nit:232 */
+  /* ./../lib/standard//kernel.nit:235 */
   REGB0 = TAG_Int(0);
-  /* ./../lib/standard//kernel.nit:213 */
+  /* ./../lib/standard//kernel.nit:216 */
   REGB0 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB0));
-  /* ./../lib/standard//kernel.nit:232 */
+  /* ./../lib/standard//kernel.nit:235 */
   if (UNTAG_Bool(REGB0)) {
-    /* ./../lib/standard//kernel.nit:233 */
+    /* ./../lib/standard//kernel.nit:236 */
     REGB0 = REGB1;
     goto label1;
   } else {
-    /* ./../lib/standard//kernel.nit:216 */
+    /* ./../lib/standard//kernel.nit:219 */
     REGB1 = TAG_Int(-UNTAG_Int(REGB1));
-    /* ./../lib/standard//kernel.nit:235 */
+    /* ./../lib/standard//kernel.nit:238 */
     REGB0 = REGB1;
     goto label1;
   }
@@ -1166,41 +1182,41 @@ val_t kernel___Int___distance(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Int_____leqg(val_t p0, val_t p1){
+val_t standard___kernel___Int_____leqg(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t REGB2;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 239;
-  fra.me.meth = LOCATE_kernel___Int_____leqg;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 242;
+  fra.me.meth = LOCATE_standard___kernel___Int_____leqg;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:212 */
+  /* ./../lib/standard//kernel.nit:215 */
   REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
-  /* ./../lib/standard//kernel.nit:241 */
+  /* ./../lib/standard//kernel.nit:244 */
   if (UNTAG_Bool(REGB2)) {
-    /* ./../lib/standard//kernel.nit:242 */
+    /* ./../lib/standard//kernel.nit:245 */
     REGB2 = TAG_Int(1);
-    /* ./../lib/standard//kernel.nit:216 */
+    /* ./../lib/standard//kernel.nit:219 */
     REGB2 = TAG_Int(-UNTAG_Int(REGB2));
-    /* ./../lib/standard//kernel.nit:242 */
+    /* ./../lib/standard//kernel.nit:245 */
     goto label1;
   } else {
-    /* ./../lib/standard//kernel.nit:212 */
+    /* ./../lib/standard//kernel.nit:215 */
     REGB0 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB0));
-    /* ./../lib/standard//kernel.nit:243 */
+    /* ./../lib/standard//kernel.nit:246 */
     if (UNTAG_Bool(REGB0)) {
-      /* ./../lib/standard//kernel.nit:244 */
+      /* ./../lib/standard//kernel.nit:247 */
       REGB0 = TAG_Int(1);
       REGB2 = REGB0;
       goto label1;
     } else {
-      /* ./../lib/standard//kernel.nit:246 */
+      /* ./../lib/standard//kernel.nit:249 */
       REGB0 = TAG_Int(0);
       REGB2 = REGB0;
       goto label1;
@@ -1210,38 +1226,38 @@ val_t kernel___Int_____leqg(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return REGB2;
 }
-val_t kernel___Int___is_between(val_t p0, val_t p1, val_t p2){
+val_t standard___kernel___Int___is_between(val_t p0, val_t p1, val_t p2){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t REGB2;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 250;
-  fra.me.meth = LOCATE_kernel___Int___is_between;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 253;
+  fra.me.meth = LOCATE_standard___kernel___Int___is_between;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
   REGB2 = p2;
-  /* ./../lib/standard//kernel.nit:212 */
+  /* ./../lib/standard//kernel.nit:215 */
   REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
-  /* ./../lib/standard//kernel.nit:252 */
+  /* ./../lib/standard//kernel.nit:255 */
   if (UNTAG_Bool(REGB1)) {
     REGB1 = TAG_Bool(true);
   } else {
-    /* ./../lib/standard//kernel.nit:212 */
+    /* ./../lib/standard//kernel.nit:215 */
     REGB0 = TAG_Bool(UNTAG_Int(REGB2)<UNTAG_Int(REGB0));
-    /* ./../lib/standard//kernel.nit:252 */
+    /* ./../lib/standard//kernel.nit:255 */
     REGB1 = REGB0;
   }
   if (UNTAG_Bool(REGB1)) {
-    /* ./../lib/standard//kernel.nit:253 */
+    /* ./../lib/standard//kernel.nit:256 */
     REGB1 = TAG_Bool(false);
     goto label1;
   } else {
-    /* ./../lib/standard//kernel.nit:255 */
+    /* ./../lib/standard//kernel.nit:258 */
     REGB0 = TAG_Bool(true);
     REGB1 = REGB0;
     goto label1;
@@ -1250,28 +1266,28 @@ val_t kernel___Int___is_between(val_t p0, val_t p1, val_t p2){
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Int___max(val_t p0, val_t p1){
+val_t standard___kernel___Int___max(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t REGB2;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 259;
-  fra.me.meth = LOCATE_kernel___Int___max;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 262;
+  fra.me.meth = LOCATE_standard___kernel___Int___max;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:212 */
+  /* ./../lib/standard//kernel.nit:215 */
   REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
-  /* ./../lib/standard//kernel.nit:261 */
+  /* ./../lib/standard//kernel.nit:264 */
   if (UNTAG_Bool(REGB2)) {
-    /* ./../lib/standard//kernel.nit:262 */
+    /* ./../lib/standard//kernel.nit:265 */
     goto label1;
   } else {
-    /* ./../lib/standard//kernel.nit:264 */
+    /* ./../lib/standard//kernel.nit:267 */
     REGB1 = REGB0;
     goto label1;
   }
@@ -1279,28 +1295,28 @@ val_t kernel___Int___max(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Int___min(val_t p0, val_t p1){
+val_t standard___kernel___Int___min(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t REGB2;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 268;
-  fra.me.meth = LOCATE_kernel___Int___min;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 271;
+  fra.me.meth = LOCATE_standard___kernel___Int___min;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:212 */
+  /* ./../lib/standard//kernel.nit:215 */
   REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB0));
-  /* ./../lib/standard//kernel.nit:270 */
+  /* ./../lib/standard//kernel.nit:273 */
   if (UNTAG_Bool(REGB2)) {
-    /* ./../lib/standard//kernel.nit:271 */
+    /* ./../lib/standard//kernel.nit:274 */
     goto label1;
   } else {
-    /* ./../lib/standard//kernel.nit:273 */
+    /* ./../lib/standard//kernel.nit:276 */
     REGB1 = REGB0;
     goto label1;
   }
@@ -1308,23 +1324,23 @@ val_t kernel___Int___min(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Int___ascii(val_t p0){
+val_t standard___kernel___Int___ascii(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 277;
-  fra.me.meth = LOCATE_kernel___Int___ascii;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 280;
+  fra.me.meth = LOCATE_standard___kernel___Int___ascii;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:277 */
+  /* ./../lib/standard//kernel.nit:280 */
   REGB0 = TAG_Char(UNTAG_Int(REGB0));
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Int___digit_count(val_t p0, val_t p1){
+val_t standard___kernel___Int___digit_count(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
@@ -1334,77 +1350,77 @@ val_t kernel___Int___digit_count(val_t p0, val_t p1){
   val_t REGB5;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 280;
-  fra.me.meth = LOCATE_kernel___Int___digit_count;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 283;
+  fra.me.meth = LOCATE_standard___kernel___Int___digit_count;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:286 */
+  /* ./../lib/standard//kernel.nit:289 */
   REGB2 = TAG_Int(0);
-  /* ./../lib/standard//kernel.nit:212 */
+  /* ./../lib/standard//kernel.nit:215 */
   REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB2));
-  /* ./../lib/standard//kernel.nit:286 */
+  /* ./../lib/standard//kernel.nit:289 */
   if (UNTAG_Bool(REGB2)) {
-    /* ./../lib/standard//kernel.nit:287 */
+    /* ./../lib/standard//kernel.nit:290 */
     REGB2 = TAG_Int(1);
-    /* ./../lib/standard//kernel.nit:216 */
+    /* ./../lib/standard//kernel.nit:219 */
     REGB3 = TAG_Int(-UNTAG_Int(REGB0));
   } else {
-    /* ./../lib/standard//kernel.nit:289 */
+    /* ./../lib/standard//kernel.nit:292 */
     REGB4 = TAG_Int(0);
     REGB5 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB4));
     if (UNTAG_Bool(REGB5)) {
     } else {
-      /* ./../lib/standard//kernel.nit:207 */
+      /* ./../lib/standard//kernel.nit:210 */
       REGB4 = TAG_Bool((REGB0)==(REGB4));
-      /* ./../lib/standard//kernel.nit:289 */
+      /* ./../lib/standard//kernel.nit:292 */
       REGB5 = REGB4;
     }
     if (UNTAG_Bool(REGB5)) {
-      /* ./../lib/standard//kernel.nit:290 */
+      /* ./../lib/standard//kernel.nit:293 */
       REGB5 = TAG_Int(1);
       goto label1;
     } else {
-      /* ./../lib/standard//kernel.nit:292 */
+      /* ./../lib/standard//kernel.nit:295 */
       REGB4 = TAG_Int(0);
       REGB2 = REGB4;
-      /* ./../lib/standard//kernel.nit:293 */
+      /* ./../lib/standard//kernel.nit:296 */
       REGB3 = REGB0;
     }
   }
-  /* ./../lib/standard//kernel.nit:296 */
+  /* ./../lib/standard//kernel.nit:299 */
   while(1) {
     REGB0 = TAG_Int(0);
-    /* ./../lib/standard//kernel.nit:214 */
+    /* ./../lib/standard//kernel.nit:217 */
     REGB0 = TAG_Bool(UNTAG_Int(REGB3)>UNTAG_Int(REGB0));
-    /* ./../lib/standard//kernel.nit:296 */
+    /* ./../lib/standard//kernel.nit:299 */
     if (UNTAG_Bool(REGB0)) {
-      /* ./../lib/standard//kernel.nit:297 */
+      /* ./../lib/standard//kernel.nit:300 */
       REGB0 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:215 */
+      /* ./../lib/standard//kernel.nit:218 */
       REGB0 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB0));
-      /* ./../lib/standard//kernel.nit:297 */
+      /* ./../lib/standard//kernel.nit:300 */
       REGB2 = REGB0;
-      /* ./../lib/standard//kernel.nit:219 */
+      /* ./../lib/standard//kernel.nit:222 */
       REGB0 = TAG_Int(UNTAG_Int(REGB3)/UNTAG_Int(REGB1));
-      /* ./../lib/standard//kernel.nit:298 */
+      /* ./../lib/standard//kernel.nit:301 */
       REGB3 = REGB0;
     } else {
-      /* ./../lib/standard//kernel.nit:296 */
+      /* ./../lib/standard//kernel.nit:299 */
       goto label2;
     }
   }
   label2: while(0);
-  /* ./../lib/standard//kernel.nit:300 */
+  /* ./../lib/standard//kernel.nit:303 */
   REGB5 = REGB2;
   goto label1;
   label1: while(0);
   stack_frame_head = fra.me.prev;
   return REGB5;
 }
-val_t kernel___Int___to_c(val_t p0){
+val_t standard___kernel___Int___to_c(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
@@ -1412,60 +1428,60 @@ val_t kernel___Int___to_c(val_t p0){
   val_t REGB3;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 303;
-  fra.me.meth = LOCATE_kernel___Int___to_c;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 306;
+  fra.me.meth = LOCATE_standard___kernel___Int___to_c;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:308 */
+  /* ./../lib/standard//kernel.nit:311 */
   REGB1 = TAG_Int(0);
-  /* ./../lib/standard//kernel.nit:213 */
+  /* ./../lib/standard//kernel.nit:216 */
   REGB1 = TAG_Bool(UNTAG_Int(REGB0)>=UNTAG_Int(REGB1));
-  /* ./../lib/standard//kernel.nit:308 */
+  /* ./../lib/standard//kernel.nit:311 */
   if (UNTAG_Bool(REGB1)) {
     REGB1 = TAG_Int(36);
-    /* ./../lib/standard//kernel.nit:211 */
+    /* ./../lib/standard//kernel.nit:214 */
     REGB1 = TAG_Bool(UNTAG_Int(REGB0)<=UNTAG_Int(REGB1));
   } else {
-    /* ./../lib/standard//kernel.nit:308 */
+    /* ./../lib/standard//kernel.nit:311 */
     REGB2 = TAG_Bool(false);
     REGB1 = REGB2;
   }
   if (UNTAG_Bool(REGB1)) {
   } else {
-    nit_abort("Assert failed", NULL, LOCATE_kernel, 308);
+    nit_abort("Assert failed", NULL, LOCATE_standard___kernel, 311);
   }
-  /* ./../lib/standard//kernel.nit:309 */
+  /* ./../lib/standard//kernel.nit:312 */
   REGB1 = TAG_Int(10);
-  /* ./../lib/standard//kernel.nit:212 */
+  /* ./../lib/standard//kernel.nit:215 */
   REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
-  /* ./../lib/standard//kernel.nit:309 */
+  /* ./../lib/standard//kernel.nit:312 */
   if (UNTAG_Bool(REGB1)) {
-    /* ./../lib/standard//kernel.nit:310 */
+    /* ./../lib/standard//kernel.nit:313 */
     REGB1 = TAG_Char('0');
-    /* ./../lib/standard//kernel.nit:382 */
+    /* ./../lib/standard//kernel.nit:385 */
     REGB1 = TAG_Int((unsigned char)UNTAG_Char(REGB1));
-    /* ./../lib/standard//kernel.nit:215 */
+    /* ./../lib/standard//kernel.nit:218 */
     REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
-    /* ./../lib/standard//kernel.nit:277 */
+    /* ./../lib/standard//kernel.nit:280 */
     REGB1 = TAG_Char(UNTAG_Int(REGB1));
-    /* ./../lib/standard//kernel.nit:310 */
+    /* ./../lib/standard//kernel.nit:313 */
     goto label1;
   } else {
-    /* ./../lib/standard//kernel.nit:312 */
+    /* ./../lib/standard//kernel.nit:315 */
     REGB2 = TAG_Char('a');
-    /* ./../lib/standard//kernel.nit:382 */
+    /* ./../lib/standard//kernel.nit:385 */
     REGB2 = TAG_Int((unsigned char)UNTAG_Char(REGB2));
-    /* ./../lib/standard//kernel.nit:312 */
+    /* ./../lib/standard//kernel.nit:315 */
     REGB3 = TAG_Int(10);
-    /* ./../lib/standard//kernel.nit:217 */
+    /* ./../lib/standard//kernel.nit:220 */
     REGB3 = TAG_Int(UNTAG_Int(REGB2)-UNTAG_Int(REGB3));
-    /* ./../lib/standard//kernel.nit:215 */
+    /* ./../lib/standard//kernel.nit:218 */
     REGB3 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB3));
-    /* ./../lib/standard//kernel.nit:277 */
+    /* ./../lib/standard//kernel.nit:280 */
     REGB3 = TAG_Char(UNTAG_Int(REGB3));
-    /* ./../lib/standard//kernel.nit:312 */
+    /* ./../lib/standard//kernel.nit:315 */
     REGB1 = REGB3;
     goto label1;
   }
@@ -1473,7 +1489,7 @@ val_t kernel___Int___to_c(val_t p0){
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-void kernel___Int___enumerate_to(val_t p0, val_t p1, struct stack_frame_t *closctx_param, fun_t clos_fun0){
+void standard___kernel___Int___enumerate_to(val_t p0, val_t p1, struct stack_frame_t *closctx_param, fun_t clos_fun0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
@@ -1481,9 +1497,9 @@ void kernel___Int___enumerate_to(val_t p0, val_t p1, struct stack_frame_t *closc
   fun_t CREG[1];
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 316;
-  fra.me.meth = LOCATE_kernel___Int___enumerate_to;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 319;
+  fra.me.meth = LOCATE_standard___kernel___Int___enumerate_to;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   fra.me.closure_ctx = closctx_param;
@@ -1491,25 +1507,25 @@ void kernel___Int___enumerate_to(val_t p0, val_t p1, struct stack_frame_t *closc
   REGB0 = p0;
   REGB1 = p1;
   CREG[0] = clos_fun0;
-  /* ./../lib/standard//kernel.nit:321 */
+  /* ./../lib/standard//kernel.nit:324 */
   while(1) {
-    /* ./../lib/standard//kernel.nit:211 */
+    /* ./../lib/standard//kernel.nit:214 */
     REGB2 = TAG_Bool(UNTAG_Int(REGB0)<=UNTAG_Int(REGB1));
-    /* ./../lib/standard//kernel.nit:321 */
+    /* ./../lib/standard//kernel.nit:324 */
     if (UNTAG_Bool(REGB2)) {
-      /* ./../lib/standard//kernel.nit:322 */
+      /* ./../lib/standard//kernel.nit:325 */
       ((void (*)(struct stack_frame_t *, val_t))(CREG[0]))(closctx_param, REGB0);
       if (closctx_param->has_broke) {
         goto label1;
       }
-      /* ./../lib/standard//kernel.nit:323 */
+      /* ./../lib/standard//kernel.nit:326 */
       REGB2 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:215 */
+      /* ./../lib/standard//kernel.nit:218 */
       REGB2 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB2));
-      /* ./../lib/standard//kernel.nit:323 */
+      /* ./../lib/standard//kernel.nit:326 */
       REGB0 = REGB2;
     } else {
-      /* ./../lib/standard//kernel.nit:321 */
+      /* ./../lib/standard//kernel.nit:324 */
       goto label2;
     }
   }
@@ -1518,7 +1534,7 @@ void kernel___Int___enumerate_to(val_t p0, val_t p1, struct stack_frame_t *closc
   stack_frame_head = fra.me.prev;
   return;
 }
-void kernel___Int___enumerate_before(val_t p0, val_t p1, struct stack_frame_t *closctx_param, fun_t clos_fun0){
+void standard___kernel___Int___enumerate_before(val_t p0, val_t p1, struct stack_frame_t *closctx_param, fun_t clos_fun0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
@@ -1526,9 +1542,9 @@ void kernel___Int___enumerate_before(val_t p0, val_t p1, struct stack_frame_t *c
   fun_t CREG[1];
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 327;
-  fra.me.meth = LOCATE_kernel___Int___enumerate_before;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 330;
+  fra.me.meth = LOCATE_standard___kernel___Int___enumerate_before;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   fra.me.closure_ctx = closctx_param;
@@ -1536,25 +1552,25 @@ void kernel___Int___enumerate_before(val_t p0, val_t p1, struct stack_frame_t *c
   REGB0 = p0;
   REGB1 = p1;
   CREG[0] = clos_fun0;
-  /* ./../lib/standard//kernel.nit:332 */
+  /* ./../lib/standard//kernel.nit:335 */
   while(1) {
-    /* ./../lib/standard//kernel.nit:212 */
+    /* ./../lib/standard//kernel.nit:215 */
     REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
-    /* ./../lib/standard//kernel.nit:332 */
+    /* ./../lib/standard//kernel.nit:335 */
     if (UNTAG_Bool(REGB2)) {
-      /* ./../lib/standard//kernel.nit:333 */
+      /* ./../lib/standard//kernel.nit:336 */
       ((void (*)(struct stack_frame_t *, val_t))(CREG[0]))(closctx_param, REGB0);
       if (closctx_param->has_broke) {
         goto label1;
       }
-      /* ./../lib/standard//kernel.nit:334 */
+      /* ./../lib/standard//kernel.nit:337 */
       REGB2 = TAG_Int(1);
-      /* ./../lib/standard//kernel.nit:215 */
+      /* ./../lib/standard//kernel.nit:218 */
       REGB2 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB2));
-      /* ./../lib/standard//kernel.nit:334 */
+      /* ./../lib/standard//kernel.nit:337 */
       REGB0 = REGB2;
     } else {
-      /* ./../lib/standard//kernel.nit:332 */
+      /* ./../lib/standard//kernel.nit:335 */
       goto label2;
     }
   }
@@ -1563,209 +1579,209 @@ void kernel___Int___enumerate_before(val_t p0, val_t p1, struct stack_frame_t *c
   stack_frame_head = fra.me.prev;
   return;
 }
-val_t kernel___Char___object_id(val_t p0){
+val_t standard___kernel___Char___object_id(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 346;
-  fra.me.meth = LOCATE_kernel___Char___object_id;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 349;
+  fra.me.meth = LOCATE_standard___kernel___Char___object_id;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:346 */
+  /* ./../lib/standard//kernel.nit:349 */
   REGB0 = TAG_Int(UNTAG_Char(REGB0));
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Char_____eqeq(val_t p0, val_t p1){
+val_t standard___kernel___Char_____eqeq(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 347;
-  fra.me.meth = LOCATE_kernel___Char_____eqeq;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 350;
+  fra.me.meth = LOCATE_standard___kernel___Char_____eqeq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   REGB0 = p0;
   fra.me.REG[0] = p1;
-  /* ./../lib/standard//kernel.nit:347 */
+  /* ./../lib/standard//kernel.nit:350 */
   REGB0 = TAG_Bool((REGB0)==(fra.me.REG[0]));
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Char_____neq(val_t p0, val_t p1){
+val_t standard___kernel___Char_____neq(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 348;
-  fra.me.meth = LOCATE_kernel___Char_____neq;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 351;
+  fra.me.meth = LOCATE_standard___kernel___Char_____neq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 1;
   fra.me.REG[0] = NIT_NULL;
   REGB0 = p0;
   fra.me.REG[0] = p1;
-  /* ./../lib/standard//kernel.nit:348 */
+  /* ./../lib/standard//kernel.nit:351 */
   REGB0 = TAG_Bool((REGB0)!=(fra.me.REG[0]));
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-void kernel___Char___output(val_t p0){
+void standard___kernel___Char___output(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 349;
-  fra.me.meth = LOCATE_kernel___Char___output;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 352;
+  fra.me.meth = LOCATE_standard___kernel___Char___output;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:349 */
+  /* ./../lib/standard//kernel.nit:352 */
   printf("%c", (unsigned char)UNTAG_Char(REGB0));;
   stack_frame_head = fra.me.prev;
   return;
 }
-val_t kernel___Char_____leq(val_t p0, val_t p1){
+val_t standard___kernel___Char_____leq(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 351;
-  fra.me.meth = LOCATE_kernel___Char_____leq;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 354;
+  fra.me.meth = LOCATE_standard___kernel___Char_____leq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:351 */
+  /* ./../lib/standard//kernel.nit:354 */
   REGB1 = TAG_Bool(UNTAG_Char(REGB0)<=UNTAG_Char(REGB1));
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Char_____l(val_t p0, val_t p1){
+val_t standard___kernel___Char_____l(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 352;
-  fra.me.meth = LOCATE_kernel___Char_____l;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 355;
+  fra.me.meth = LOCATE_standard___kernel___Char_____l;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:352 */
+  /* ./../lib/standard//kernel.nit:355 */
   REGB1 = TAG_Bool(UNTAG_Char(REGB0)<UNTAG_Char(REGB1));
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Char_____geq(val_t p0, val_t p1){
+val_t standard___kernel___Char_____geq(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 353;
-  fra.me.meth = LOCATE_kernel___Char_____geq;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 356;
+  fra.me.meth = LOCATE_standard___kernel___Char_____geq;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:353 */
+  /* ./../lib/standard//kernel.nit:356 */
   REGB1 = TAG_Bool(UNTAG_Char(REGB0)>=UNTAG_Char(REGB1));
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Char_____g(val_t p0, val_t p1){
+val_t standard___kernel___Char_____g(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 354;
-  fra.me.meth = LOCATE_kernel___Char_____g;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 357;
+  fra.me.meth = LOCATE_standard___kernel___Char_____g;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:354 */
+  /* ./../lib/standard//kernel.nit:357 */
   REGB1 = TAG_Bool(UNTAG_Char(REGB0)>UNTAG_Char(REGB1));
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Char___succ(val_t p0){
+val_t standard___kernel___Char___succ(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 356;
-  fra.me.meth = LOCATE_kernel___Char___succ;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 359;
+  fra.me.meth = LOCATE_standard___kernel___Char___succ;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:356 */
+  /* ./../lib/standard//kernel.nit:359 */
   REGB0 = TAG_Char(UNTAG_Char(REGB0)+1);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Char___prec(val_t p0){
+val_t standard___kernel___Char___prec(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 357;
-  fra.me.meth = LOCATE_kernel___Char___prec;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 360;
+  fra.me.meth = LOCATE_standard___kernel___Char___prec;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:357 */
+  /* ./../lib/standard//kernel.nit:360 */
   REGB0 = TAG_Char(UNTAG_Char(REGB0)-1);
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Char___distance(val_t p0, val_t p1){
+val_t standard___kernel___Char___distance(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 359;
-  fra.me.meth = LOCATE_kernel___Char___distance;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 362;
+  fra.me.meth = LOCATE_standard___kernel___Char___distance;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:382 */
+  /* ./../lib/standard//kernel.nit:385 */
   REGB0 = TAG_Int((unsigned char)UNTAG_Char(REGB0));
   REGB1 = TAG_Int((unsigned char)UNTAG_Char(REGB1));
-  /* ./../lib/standard//kernel.nit:217 */
+  /* ./../lib/standard//kernel.nit:220 */
   REGB1 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB1));
-  /* ./../lib/standard//kernel.nit:362 */
+  /* ./../lib/standard//kernel.nit:365 */
   REGB0 = TAG_Int(0);
-  /* ./../lib/standard//kernel.nit:213 */
+  /* ./../lib/standard//kernel.nit:216 */
   REGB0 = TAG_Bool(UNTAG_Int(REGB1)>=UNTAG_Int(REGB0));
-  /* ./../lib/standard//kernel.nit:362 */
+  /* ./../lib/standard//kernel.nit:365 */
   if (UNTAG_Bool(REGB0)) {
-    /* ./../lib/standard//kernel.nit:363 */
+    /* ./../lib/standard//kernel.nit:366 */
     REGB0 = REGB1;
     goto label1;
   } else {
-    /* ./../lib/standard//kernel.nit:216 */
+    /* ./../lib/standard//kernel.nit:219 */
     REGB1 = TAG_Int(-UNTAG_Int(REGB1));
-    /* ./../lib/standard//kernel.nit:365 */
+    /* ./../lib/standard//kernel.nit:368 */
     REGB0 = REGB1;
     goto label1;
   }
@@ -1773,7 +1789,7 @@ val_t kernel___Char___distance(val_t p0, val_t p1){
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Char___to_i(val_t p0){
+val_t standard___kernel___Char___to_i(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
@@ -1781,60 +1797,60 @@ val_t kernel___Char___to_i(val_t p0){
   val_t REGB3;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 369;
-  fra.me.meth = LOCATE_kernel___Char___to_i;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 372;
+  fra.me.meth = LOCATE_standard___kernel___Char___to_i;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:373 */
+  /* ./../lib/standard//kernel.nit:376 */
   REGB1 = TAG_Char('-');
   REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
   if (UNTAG_Bool(REGB2)) {
   } else {
-    /* ./../lib/standard//kernel.nit:347 */
+    /* ./../lib/standard//kernel.nit:350 */
     REGB1 = TAG_Bool((REGB0)==(REGB1));
-    /* ./../lib/standard//kernel.nit:373 */
+    /* ./../lib/standard//kernel.nit:376 */
     REGB2 = REGB1;
   }
   if (UNTAG_Bool(REGB2)) {
-    /* ./../lib/standard//kernel.nit:374 */
+    /* ./../lib/standard//kernel.nit:377 */
     REGB2 = TAG_Int(1);
-    /* ./../lib/standard//kernel.nit:216 */
+    /* ./../lib/standard//kernel.nit:219 */
     REGB2 = TAG_Int(-UNTAG_Int(REGB2));
-    /* ./../lib/standard//kernel.nit:374 */
+    /* ./../lib/standard//kernel.nit:377 */
     goto label1;
   } else {
-    /* ./../lib/standard//kernel.nit:375 */
-    REGB1 = CALL_kernel___Char___is_digit(REGB0)(REGB0);
+    /* ./../lib/standard//kernel.nit:378 */
+    REGB1 = CALL_standard___kernel___Char___is_digit(REGB0)(REGB0);
     if (UNTAG_Bool(REGB1)) {
-      /* ./../lib/standard//kernel.nit:382 */
+      /* ./../lib/standard//kernel.nit:385 */
       REGB1 = TAG_Int((unsigned char)UNTAG_Char(REGB0));
-      /* ./../lib/standard//kernel.nit:376 */
+      /* ./../lib/standard//kernel.nit:379 */
       REGB3 = TAG_Char('0');
-      /* ./../lib/standard//kernel.nit:382 */
+      /* ./../lib/standard//kernel.nit:385 */
       REGB3 = TAG_Int((unsigned char)UNTAG_Char(REGB3));
-      /* ./../lib/standard//kernel.nit:217 */
+      /* ./../lib/standard//kernel.nit:220 */
       REGB3 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB3));
-      /* ./../lib/standard//kernel.nit:376 */
+      /* ./../lib/standard//kernel.nit:379 */
       REGB2 = REGB3;
       goto label1;
     } else {
-      /* ./../lib/standard//kernel.nit:378 */
-      REGB0 = CALL_kernel___Char___to_lower(REGB0)(REGB0);
-      /* ./../lib/standard//kernel.nit:382 */
+      /* ./../lib/standard//kernel.nit:381 */
+      REGB0 = CALL_standard___kernel___Char___to_lower(REGB0)(REGB0);
+      /* ./../lib/standard//kernel.nit:385 */
       REGB0 = TAG_Int((unsigned char)UNTAG_Char(REGB0));
-      /* ./../lib/standard//kernel.nit:378 */
+      /* ./../lib/standard//kernel.nit:381 */
       REGB3 = TAG_Char('a');
-      /* ./../lib/standard//kernel.nit:382 */
+      /* ./../lib/standard//kernel.nit:385 */
       REGB3 = TAG_Int((unsigned char)UNTAG_Char(REGB3));
-      /* ./../lib/standard//kernel.nit:378 */
+      /* ./../lib/standard//kernel.nit:381 */
       REGB1 = TAG_Int(10);
-      /* ./../lib/standard//kernel.nit:215 */
+      /* ./../lib/standard//kernel.nit:218 */
       REGB1 = TAG_Int(UNTAG_Int(REGB3)+UNTAG_Int(REGB1));
-      /* ./../lib/standard//kernel.nit:217 */
+      /* ./../lib/standard//kernel.nit:220 */
       REGB1 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB1));
-      /* ./../lib/standard//kernel.nit:378 */
+      /* ./../lib/standard//kernel.nit:381 */
       REGB2 = REGB1;
       goto label1;
     }
@@ -1843,59 +1859,59 @@ val_t kernel___Char___to_i(val_t p0){
   stack_frame_head = fra.me.prev;
   return REGB2;
 }
-val_t kernel___Char___ascii(val_t p0){
+val_t standard___kernel___Char___ascii(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 382;
-  fra.me.meth = LOCATE_kernel___Char___ascii;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 385;
+  fra.me.meth = LOCATE_standard___kernel___Char___ascii;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:382 */
+  /* ./../lib/standard//kernel.nit:385 */
   REGB0 = TAG_Int((unsigned char)UNTAG_Char(REGB0));
   stack_frame_head = fra.me.prev;
   return REGB0;
 }
-val_t kernel___Char_____plus(val_t p0, val_t p1){
+val_t standard___kernel___Char_____plus(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 385;
-  fra.me.meth = LOCATE_kernel___Char_____plus;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 388;
+  fra.me.meth = LOCATE_standard___kernel___Char_____plus;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:385 */
+  /* ./../lib/standard//kernel.nit:388 */
   REGB1 = TAG_Char(UNTAG_Char(REGB0)+UNTAG_Char(REGB1));
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Char_____minus(val_t p0, val_t p1){
+val_t standard___kernel___Char_____minus(val_t p0, val_t p1){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 386;
-  fra.me.meth = LOCATE_kernel___Char_____minus;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 389;
+  fra.me.meth = LOCATE_standard___kernel___Char_____minus;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
   REGB1 = p1;
-  /* ./../lib/standard//kernel.nit:386 */
+  /* ./../lib/standard//kernel.nit:389 */
   REGB1 = TAG_Char(UNTAG_Char(REGB0)-UNTAG_Char(REGB1));
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Char___to_lower(val_t p0){
+val_t standard___kernel___Char___to_lower(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
@@ -1903,29 +1919,29 @@ val_t kernel___Char___to_lower(val_t p0){
   val_t REGB3;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 388;
-  fra.me.meth = LOCATE_kernel___Char___to_lower;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 391;
+  fra.me.meth = LOCATE_standard___kernel___Char___to_lower;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:391 */
-  REGB1 = CALL_kernel___Char___is_upper(REGB0)(REGB0);
+  /* ./../lib/standard//kernel.nit:394 */
+  REGB1 = CALL_standard___kernel___Char___is_upper(REGB0)(REGB0);
   if (UNTAG_Bool(REGB1)) {
-    /* ./../lib/standard//kernel.nit:382 */
+    /* ./../lib/standard//kernel.nit:385 */
     REGB1 = TAG_Int((unsigned char)UNTAG_Char(REGB0));
-    /* ./../lib/standard//kernel.nit:392 */
+    /* ./../lib/standard//kernel.nit:395 */
     REGB2 = TAG_Char('a');
     REGB3 = TAG_Char('A');
-    REGB3 = CALL_kernel___Discrete___distance(REGB2)(REGB2, REGB3);
-    /* ./../lib/standard//kernel.nit:215 */
+    REGB3 = CALL_standard___kernel___Discrete___distance(REGB2)(REGB2, REGB3);
+    /* ./../lib/standard//kernel.nit:218 */
     REGB3 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB3));
-    /* ./../lib/standard//kernel.nit:277 */
+    /* ./../lib/standard//kernel.nit:280 */
     REGB3 = TAG_Char(UNTAG_Int(REGB3));
-    /* ./../lib/standard//kernel.nit:392 */
+    /* ./../lib/standard//kernel.nit:395 */
     goto label1;
   } else {
-    /* ./../lib/standard//kernel.nit:394 */
+    /* ./../lib/standard//kernel.nit:397 */
     REGB3 = REGB0;
     goto label1;
   }
@@ -1933,7 +1949,7 @@ val_t kernel___Char___to_lower(val_t p0){
   stack_frame_head = fra.me.prev;
   return REGB3;
 }
-val_t kernel___Char___to_upper(val_t p0){
+val_t standard___kernel___Char___to_upper(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
@@ -1941,29 +1957,29 @@ val_t kernel___Char___to_upper(val_t p0){
   val_t REGB3;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 398;
-  fra.me.meth = LOCATE_kernel___Char___to_upper;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 401;
+  fra.me.meth = LOCATE_standard___kernel___Char___to_upper;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:401 */
-  REGB1 = CALL_kernel___Char___is_lower(REGB0)(REGB0);
+  /* ./../lib/standard//kernel.nit:404 */
+  REGB1 = CALL_standard___kernel___Char___is_lower(REGB0)(REGB0);
   if (UNTAG_Bool(REGB1)) {
-    /* ./../lib/standard//kernel.nit:382 */
+    /* ./../lib/standard//kernel.nit:385 */
     REGB1 = TAG_Int((unsigned char)UNTAG_Char(REGB0));
-    /* ./../lib/standard//kernel.nit:402 */
+    /* ./../lib/standard//kernel.nit:405 */
     REGB2 = TAG_Char('a');
     REGB3 = TAG_Char('A');
-    REGB3 = CALL_kernel___Discrete___distance(REGB2)(REGB2, REGB3);
-    /* ./../lib/standard//kernel.nit:217 */
+    REGB3 = CALL_standard___kernel___Discrete___distance(REGB2)(REGB2, REGB3);
+    /* ./../lib/standard//kernel.nit:220 */
     REGB3 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB3));
-    /* ./../lib/standard//kernel.nit:277 */
+    /* ./../lib/standard//kernel.nit:280 */
     REGB3 = TAG_Char(UNTAG_Int(REGB3));
-    /* ./../lib/standard//kernel.nit:402 */
+    /* ./../lib/standard//kernel.nit:405 */
     goto label1;
   } else {
-    /* ./../lib/standard//kernel.nit:404 */
+    /* ./../lib/standard//kernel.nit:407 */
     REGB3 = REGB0;
     goto label1;
   }
@@ -1971,29 +1987,29 @@ val_t kernel___Char___to_upper(val_t p0){
   stack_frame_head = fra.me.prev;
   return REGB3;
 }
-val_t kernel___Char___is_digit(val_t p0){
+val_t standard___kernel___Char___is_digit(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 408;
-  fra.me.meth = LOCATE_kernel___Char___is_digit;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 411;
+  fra.me.meth = LOCATE_standard___kernel___Char___is_digit;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:410 */
+  /* ./../lib/standard//kernel.nit:413 */
   REGB1 = TAG_Char('0');
-  /* ./../lib/standard//kernel.nit:353 */
+  /* ./../lib/standard//kernel.nit:356 */
   REGB1 = TAG_Bool(UNTAG_Char(REGB0)>=UNTAG_Char(REGB1));
-  /* ./../lib/standard//kernel.nit:410 */
+  /* ./../lib/standard//kernel.nit:413 */
   if (UNTAG_Bool(REGB1)) {
     REGB1 = TAG_Char('9');
-    /* ./../lib/standard//kernel.nit:351 */
+    /* ./../lib/standard//kernel.nit:354 */
     REGB1 = TAG_Bool(UNTAG_Char(REGB0)<=UNTAG_Char(REGB1));
   } else {
-    /* ./../lib/standard//kernel.nit:410 */
+    /* ./../lib/standard//kernel.nit:413 */
     REGB0 = TAG_Bool(false);
     REGB1 = REGB0;
   }
@@ -2002,29 +2018,29 @@ val_t kernel___Char___is_digit(val_t p0){
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Char___is_lower(val_t p0){
+val_t standard___kernel___Char___is_lower(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 413;
-  fra.me.meth = LOCATE_kernel___Char___is_lower;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 416;
+  fra.me.meth = LOCATE_standard___kernel___Char___is_lower;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:415 */
+  /* ./../lib/standard//kernel.nit:418 */
   REGB1 = TAG_Char('a');
-  /* ./../lib/standard//kernel.nit:353 */
+  /* ./../lib/standard//kernel.nit:356 */
   REGB1 = TAG_Bool(UNTAG_Char(REGB0)>=UNTAG_Char(REGB1));
-  /* ./../lib/standard//kernel.nit:415 */
+  /* ./../lib/standard//kernel.nit:418 */
   if (UNTAG_Bool(REGB1)) {
     REGB1 = TAG_Char('z');
-    /* ./../lib/standard//kernel.nit:351 */
+    /* ./../lib/standard//kernel.nit:354 */
     REGB1 = TAG_Bool(UNTAG_Char(REGB0)<=UNTAG_Char(REGB1));
   } else {
-    /* ./../lib/standard//kernel.nit:415 */
+    /* ./../lib/standard//kernel.nit:418 */
     REGB0 = TAG_Bool(false);
     REGB1 = REGB0;
   }
@@ -2033,29 +2049,29 @@ val_t kernel___Char___is_lower(val_t p0){
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Char___is_upper(val_t p0){
+val_t standard___kernel___Char___is_upper(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 418;
-  fra.me.meth = LOCATE_kernel___Char___is_upper;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 421;
+  fra.me.meth = LOCATE_standard___kernel___Char___is_upper;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:420 */
+  /* ./../lib/standard//kernel.nit:423 */
   REGB1 = TAG_Char('A');
-  /* ./../lib/standard//kernel.nit:353 */
+  /* ./../lib/standard//kernel.nit:356 */
   REGB1 = TAG_Bool(UNTAG_Char(REGB0)>=UNTAG_Char(REGB1));
-  /* ./../lib/standard//kernel.nit:420 */
+  /* ./../lib/standard//kernel.nit:423 */
   if (UNTAG_Bool(REGB1)) {
     REGB1 = TAG_Char('Z');
-    /* ./../lib/standard//kernel.nit:351 */
+    /* ./../lib/standard//kernel.nit:354 */
     REGB1 = TAG_Bool(UNTAG_Char(REGB0)<=UNTAG_Char(REGB1));
   } else {
-    /* ./../lib/standard//kernel.nit:420 */
+    /* ./../lib/standard//kernel.nit:423 */
     REGB0 = TAG_Bool(false);
     REGB1 = REGB0;
   }
@@ -2064,24 +2080,24 @@ val_t kernel___Char___is_upper(val_t p0){
   stack_frame_head = fra.me.prev;
   return REGB1;
 }
-val_t kernel___Char___is_letter(val_t p0){
+val_t standard___kernel___Char___is_letter(val_t p0){
   struct {struct stack_frame_t me;} fra;
   val_t REGB0;
   val_t REGB1;
   val_t tmp;
   fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
-  fra.me.file = LOCATE_kernel;
-  fra.me.line = 423;
-  fra.me.meth = LOCATE_kernel___Char___is_letter;
+  fra.me.file = LOCATE_standard___kernel;
+  fra.me.line = 426;
+  fra.me.meth = LOCATE_standard___kernel___Char___is_letter;
   fra.me.has_broke = 0;
   fra.me.REG_size = 0;
   REGB0 = p0;
-  /* ./../lib/standard//kernel.nit:425 */
-  REGB1 = CALL_kernel___Char___is_lower(REGB0)(REGB0);
+  /* ./../lib/standard//kernel.nit:428 */
+  REGB1 = CALL_standard___kernel___Char___is_lower(REGB0)(REGB0);
   if (UNTAG_Bool(REGB1)) {
     REGB1 = TAG_Bool(true);
   } else {
-    REGB0 = CALL_kernel___Char___is_upper(REGB0)(REGB0);
+    REGB0 = CALL_standard___kernel___Char___is_upper(REGB0)(REGB0);
     REGB1 = REGB0;
   }
   goto label1;