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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1075 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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matz 2000-12-25 06:29:27 +00:00
parent 8f6673c2d4
commit 99020d6e50
16 changed files with 164 additions and 83 deletions
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4
lib/singleton.rb
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@ -16,10 +16,10 @@ module Singleton
klass.instance_eval %{
@__instance__ = nil
def instance
Thread.critical = true
unless @__instance__
Thread.critical = true
begin
@__instance__ = new
@__instance__ ||= new
ensure
Thread.critical = false
end