Reimplement String#upto

1 files changed, 0 insertions, 44 deletions

diff --git a/mrbgems/mruby-string-ext/mrblib/string.rb b/mrbgems/mruby-string-ext/mrblib/string.rb
index 15f0549f3..c3a7eb380 100644
--- a/mrbgems/mruby-string-ext/mrblib/string.rb
+++ b/mrbgems/mruby-string-ext/mrblib/string.rb
@@ -305,50 +305,6 @@ class String
     padding + self
   end
 
-  #     str.upto(other_str, exclusive=false) {|s| block }   -> str
-  #     str.upto(other_str, exclusive=false)                -> an_enumerator
-  #
-  #  Iterates through successive values, starting at <i>str</i> and
-  #  ending at <i>other_str</i> inclusive, passing each value in turn to
-  #  the block. The <code>String#succ</code> method is used to generate
-  #  each value.  If optional second argument exclusive is omitted or is false,
-  #  the last value will be included; otherwise it will be excluded.
-  #
-  #  If no block is given, an enumerator is returned instead.
-  #
-  #     "a8".upto("b6") {|s| print s, ' ' }
-  #     for s in "a8".."b6"
-  #       print s, ' '
-  #     end
-  #
-  #  <em>produces:</em>
-  #
-  #     a8 a9 b0 b1 b2 b3 b4 b5 b6
-  #     a8 a9 b0 b1 b2 b3 b4 b5 b6
-  #
-  #  If <i>str</i> and <i>other_str</i> contains only ascii numeric characters,
-  #  both are recognized as decimal numbers. In addition, the width of
-  #  string (e.g. leading zeros) is handled appropriately.
-  #
-  #     "9".upto("11").to_a   #=> ["9", "10", "11"]
-  #     "25".upto("5").to_a   #=> []
-  #     "07".upto("11").to_a  #=> ["07", "08", "09", "10", "11"]
-  #
-  def upto(other_str, excl=false, &block)
-    return to_enum :upto, other_str, excl unless block
-
-    str = self
-    n = self.<=>other_str
-    return self if n > 0 || (self == other_str && excl)
-    while true
-      block.call(str)
-      return self if !excl && str == other_str
-      str = str.succ
-      return self if excl && str == other_str
-      return self if str.size > other_str.size
-    end
-  end
-
   def chars(&block)
     if block_given?
       self.split('').each do |i|