diff options
author | marcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-09-13 19:09:36 +0000 |
---|---|---|
committer | marcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-09-13 19:09:36 +0000 |
commit | 8ef3af646f42384cbbd0de83415b1e405ae2393a (patch) | |
tree | a04c78e2258772a07ab83c29d6783d0a12fc86de /lib/set.rb | |
parent | 242e2aaec2d0e755a54c3cc4c99d2c4d9046f4db (diff) |
* 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
Diffstat (limited to 'lib/set.rb')
-rw-r--r-- | lib/set.rb | 17 |
1 files changed, 10 insertions, 7 deletions
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: |