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* lib/set.rb (Set#replace): Apply a bit of optimization.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29434 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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knu 2010-10-10 09:45:36 +00:00
parent 3ec721b9c2
commit 72ef219804
2 changed files with 6 additions and 2 deletions
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ChangeLog
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@ -1,3 +1,7 @@
Sun Oct 10 18:42:23 2010 Akinori MUSHA <knu@iDaemons.org>
* lib/set.rb (Set#replace): Apply a bit of optimization.
Sun Oct 10 10:20:07 2010 Nobuyoshi Nakada <nobu@ruby-lang.org>
* configure.in (RUBY_MINGW32): canonicalize as like mswin version.

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lib/set.rb Normal file → Executable file
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@ -130,8 +130,8 @@ class Set
# Replaces the contents of the set with the contents of the given
# enumerable object and returns self.
def replace(enum)
if enum.class == self.class
@hash.replace(enum.instance_eval { @hash })
if enum.instance_of?(self.class)
@hash.replace(enum.instance_variable_get(:@hash))
else
clear
merge(enum)