diff options
-rw-r--r-- | ChangeLog | 4 | ||||
-rw-r--r-- | lib/set.rb | 17 |
2 files changed, 14 insertions, 7 deletions
@@ -1,3 +1,7 @@ +Mon Sep 14 04:07:09 2009 Marc-Andre Lafortune <ruby-core@marc-andre.ca> + + * lib/set.rb (==): Optimization; patch by Arthur Schreiber [ruby-core:17203] + Mon Sep 14 03:30:23 2009 Alexander Zavorine <alexandre.zavorine@nokia.com> * symbian/pre-build: added rule to generate id.h for Symbian build. 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: |