From 8ef3af646f42384cbbd0de83415b1e405ae2393a Mon Sep 17 00:00:00 2001 From: marcandre Date: Sun, 13 Sep 2009 19:09:36 +0000 Subject: * lib/set.rb (==): Optimization; patch by Arthur Schreiber [ruby-core:17203] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24910 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- lib/set.rb | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) (limited to 'lib/set.rb') diff --git a/lib/set.rb b/lib/set.rb index 8f2bef91ba..f21ff14a70 100644 --- a/lib/set.rb +++ b/lib/set.rb @@ -327,13 +327,16 @@ class Set # Returns true if two sets are equal. The equality of each couple # of elements is defined according to Object#eql?. - def ==(set) - equal?(set) and return true - - set.is_a?(Set) && size == set.size or return false - - hash = @hash.dup - set.all? { |o| hash.include?(o) } + def ==(other) + if self.equal?(other) + true + elsif other.instance_of?(self.class) + @hash == other.instance_variable_get(:@hash) + elsif other.is_a?(Set) && self.size == other.size + other.all? { |o| @hash.include?(o) } + else + false + end end def hash # :nodoc: -- cgit v1.2.3