adopt String#gsub to fixed split behavior

b7da7cfe · Yukihiro Matz Matsumoto · 7ce9cc3b · b7da7cfe
Commit b7da7cfe authored Feb 18, 2013 by Yukihiro Matz Matsumoto
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mrblib/string.rb mrblib/string.rb +2 -4

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--- a/mrblib/string.rb
+++ b/mrblib/string.rb
@@ -28,12 +28,10 @@ class String
  #
  # ISO 15.2.10.5.18
  def gsub(*args, &block)
-    lc = ''
    if args.size == 2
-      lc = args[1] if self[-1] == args[0]
-      split(args[0]).join(args[1]) + lc
+      split(args[0], -1).join(args[1])
    elsif args.size == 1 && block
-      split(args[0]).join(block.call(args[0]))
+      split(args[0], -1).join(block.call(args[0]))
    else
      raise ArgumentError, "wrong number of arguments"
    end