* lib/rational.rb(Rational#hash): modify algorism for hash-function.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2708 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -240,7 +240,7 @@ class Rational < Numeric
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end
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def hash
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@numerator ^ @denominator
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@numerator.hash ^ @denominator.hash
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end
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attr :numerator
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