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enumerator.c: Enumerator::Lazy#uniq

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* enumerator.c (lazy_uniq): new method Enumerator::Lazy#uniq.
  [Feature #11090]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55710 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-07-20 08:44:08 +00:00
parent 42c6a5137e
commit 6882b35460
3 changed files with 45 additions and 1 deletions
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5
test/ruby/test_enumerator.rb
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@ -646,5 +646,10 @@ class TestEnumerator < Test::Unit::TestCase
e.next
assert_raise(StopIteration) { e.peek }
end
def test_uniq
assert_equal([1, 2, 3, 4, 5, 10],
(1..Float::INFINITY).lazy.uniq{|x| (x**2) % 10 }.first(6))
end
end