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Resurrect support for Ruby 2.x #1

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Merged
knu merged 1 commit into from
Sep 20, 2020
Merged

Resurrect support for Ruby 2.x #1

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16 changes: 12 additions & 4 deletions lib/set.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -136,10 +136,18 @@ def initialize_dup(orig)
@hash = orig.instance_variable_get(:@hash).dup
end

# Clone internal hash.
def initialize_clone(orig, freeze: nil)
super
@hash = orig.instance_variable_get(:@hash).clone(freeze: freeze)
if Kernel.instance_method(:initialize_clone).arity != 1
# Clone internal hash.
def initialize_clone(orig, **options)
super
@hash = orig.instance_variable_get(:@hash).clone(**options)
end
else
# Clone internal hash.
def initialize_clone(orig)
super
@hash = orig.instance_variable_get(:@hash).clone
end
end

def freeze # :nodoc:
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2 changes: 1 addition & 1 deletion test/test_set.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -739,7 +739,7 @@ def test_freeze_clone_false
set2.add 5
assert_equal Set[1,2,3,5], set2
assert_equal Set[1,2,3], set1
end
end if Kernel.instance_method(:initialize_clone).arity != 1

def test_inspect
set1 = Set[1, 2]
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