Feature #11710 » non_mutating_set_merge_method.diff
| lib/set.rb | ||
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if block
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do_with_enum(enum) { |o| add(block[o]) }
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else
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merge(enum)
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merge!(enum)
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end
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end
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| ... | ... | |
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else
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do_with_enum(enum) # make sure enum is enumerable before calling clear
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clear
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merge(enum)
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merge!(enum)
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end
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end
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| ... | ... | |
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self if size != n
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end
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def merge(enum)
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dup.merge!(enum)
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end
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# Merges the elements of the given enumerable object to the set and
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# returns self.
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def merge(enum)
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def merge!(enum)
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if enum.instance_of?(self.class)
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@hash.update(enum.instance_variable_get(:@hash))
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else
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| ... | ... | |
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# Returns a new set built by merging the set and the elements of the
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# given enumerable object.
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def |(enum)
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dup.merge(enum)
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dup.merge!(enum)
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end
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alias + | ##
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alias union | ##
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| test/test_set.rb | ||
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set = Set[1,2,3]
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ret = set.merge([2,4,6])
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assert_not_same(set, ret)
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assert_equal(Set[1,2,3,4,6], ret)
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end
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def test_merge!
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set = Set[1,2,3]
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ret = set.merge!([2,4,6])
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assert_same(set, ret)
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assert_equal(Set[1,2,3,4,6], set)
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end
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