diff options
author | ocean <ocean@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2005-06-25 06:22:05 +0000 |
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committer | ocean <ocean@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2005-06-25 06:22:05 +0000 |
commit | 66e5af96b2e52e31943e9ecca49809ea342a9d8e (patch) | |
tree | 09dda248972729dfe24354fb7f90a1a70f535c18 /lib/set.rb | |
parent | 52a590f0ccd8655ed719e0e01c869508fa3f04a3 (diff) |
* lib/set.rb (Set#==): [ruby-dev:25206] (ported from ruby_1_8 branch)
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8663 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/set.rb')
-rw-r--r-- | lib/set.rb | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/lib/set.rb b/lib/set.rb index 5fc61c12f7..586a5d9f4d 100644 --- a/lib/set.rb +++ b/lib/set.rb @@ -193,7 +193,7 @@ class Set # Adds the given object to the set and returns self. Use +merge+ to # add several elements at once. def add(o) - @hash[o] = o + @hash[o] = true self end alias << add @@ -251,7 +251,7 @@ class Set # Merges the elements of the given enumerable object to the set and # returns self. def merge(enum) - if enum.class == self.class + if enum.is_a?(Set) @hash.update(enum.instance_eval { @hash }) else enum.is_a?(Enumerable) or raise ArgumentError, "value must be enumerable" @@ -291,7 +291,7 @@ class Set def &(enum) enum.is_a?(Enumerable) or raise ArgumentError, "value must be enumerable" n = self.class.new - enum.each { |o| include?(o) and n.add(o) } + enum.each { |o| n.add(o) if include?(o) } n end alias intersection & ## @@ -313,7 +313,8 @@ class Set set.is_a?(Set) && size == set.size or return false - set.all? { |o| @hash.value?(o) } + hash = @hash.dup + set.all? { |o| hash.include?(o) } end def hash # :nodoc: @@ -321,7 +322,8 @@ class Set end def eql?(o) # :nodoc: - @hash.hash == o.hash + return false unless o.is_a?(Set) + @hash.eql?(o.instance_eval{@hash}) end # Classifies the set by the return value of the given block and @@ -471,7 +473,7 @@ class SortedSet < Set def add(o) @keys = nil - @hash[o] = o + @hash[o] = true self end alias << add @@ -556,7 +558,7 @@ end # if @proc.arity == 2 # instance_eval %{ # def add(o) -# @hash[o] = o if @proc.call(self, o) +# @hash[o] = true if @proc.call(self, o) # self # end # alias << add @@ -565,7 +567,7 @@ end # if include?(o) || !@proc.call(self, o) # nil # else -# @hash[o] = o +# @hash[o] = true # self # end # end @@ -588,7 +590,9 @@ end # else # instance_eval %{ # def add(o) -# @hash[o] = o if @proc.call(o) +# if @proc.call(o) +# @hash[o] = true +# end # self # end # alias << add @@ -597,7 +601,7 @@ end # if include?(o) || !@proc.call(o) # nil # else -# @hash[o] = o +# @hash[o] = true # self # end # end |