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Define Set#to_set so that aSet.to_set returns self.

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* lib/set.rb (Set#to_set): Define Set#to_set so that aSet.to_set
  returns self. [Fixes GH-359]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42051 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
knu 2013-07-19 02:22:11 +00:00
parent 74201103a9
commit ad78cf4ea8
4 changed files with 22 additions and 0 deletions
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3
test/test_set.rb
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@ -625,6 +625,9 @@ class TC_Enumerable < Test::Unit::TestCase
assert_instance_of(Set, set)
assert_equal([-10,-8,-6,-4,-2], set.sort)
assert_same set, set.to_set
assert_not_same set, set.to_set { |o| o }
set = ary.to_set(SortedSet)
assert_instance_of(SortedSet, set)
assert_equal([1,2,3,4,5], set.to_a)