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

diff --git a/lib/standard/string.nit b/lib/standard/string.nit
index 0d40c3d..aa757b7 100644
--- a/lib/standard/string.nit
+++ b/lib/standard/string.nit
@@ -345,7 +345,7 @@ abstract class Text
 		end
 		return true
 	end
-			
+
 	# Removes the whitespaces at the beginning of self
 	#
 	#     assert " \n\thello \n\t".l_trim == "hello \n\t"
@@ -851,8 +851,8 @@ abstract class Text
 
 	# Gives the formatted string back as a Nit string with `args` in place
 	#
-	# 	assert "This %1 is a %2.".format("String", "formatted String") == "This String is a formatted String"
-	# 	assert "\\%1 This string".format("String") == "\\%1 This string"
+	#    assert "This %1 is a %2.".format("String", "formatted String") == "This String is a formatted String."
+	#    assert "\\%1 This string".format("String") == "\\%1 This string"
 	fun format(args: Object...): String do
 		var s = new Array[Text]
 		var curr_st = 0
@@ -882,6 +882,27 @@ abstract class Text
 		return s.to_s
 	end
 
+	# Copies `n` bytes from `self` at `src_offset` into `dest` starting at `dest_offset`
+	#
+	# Basically a high-level synonym of NativeString::copy_to
+	#
+	# REQUIRE: `n` must be large enough to contain `len` bytes
+	#
+	# 	var ns = new NativeString(8)
+	# 	"Text is String".copy_to_native(ns, 8, 2, 0)
+	#	assert ns.to_s_with_length(8) == "xt is St"
+	#
+	fun copy_to_native(dest: NativeString, n, src_offset, dest_offset: Int) do
+		var mypos = src_offset
+		var itspos = dest_offset
+		while n > 0 do
+			dest[itspos] = self.chars[mypos]
+			itspos += 1
+			mypos += 1
+			n -= 1
+		end
+	end
+
 end
 
 # All kinds of array-based text representations.
@@ -926,6 +947,10 @@ abstract class FlatText
 	end
 
 	redef fun flatten do return self
+
+	redef fun copy_to_native(dest, n, src_offset, dest_offset) do
+		items.copy_to(dest, n, src_offset, dest_offset)
+	end
 end
 
 # Abstract class for the SequenceRead compatible
@@ -1005,7 +1030,7 @@ abstract class String
 	#     assert "Hello World!".to_lower     == "hello world!"
 	fun to_lower : SELFTYPE is abstract
 
-	# Takes a camel case `self` and converts it to snake case 
+	# Takes a camel case `self` and converts it to snake case
 	#
 	#     assert "randomMethodId".to_snake_case == "random_method_id"
 	#
@@ -1055,11 +1080,11 @@ abstract class String
 				prev_is_upper = false
 			end
 		end
-		
+
 		return new_str.to_s
 	end
 
-	# Takes a snake case `self` and converts it to camel case 
+	# Takes a snake case `self` and converts it to camel case
 	#
 	#     assert "random_method_id".to_camel_case == "randomMethodId"
 	#
@@ -2195,6 +2220,12 @@ redef class Collection[E]
 	# Concatenate elements.
 	redef fun to_s
 	do
+		return plain_to_s
+	end
+
+	# Concatenate element without separators
+	fun plain_to_s: String
+	do
 		var s = new FlatBuffer
 		for e in self do if e != null then s.append(e.to_s)
 		return s.to_s
@@ -2230,7 +2261,7 @@ end
 redef class Array[E]
 
 	# Fast implementation
-	redef fun to_s
+	redef fun plain_to_s
 	do
 		var l = length
 		if l == 0 then return ""