From 3da6c309df716a1a203877ac754ed423fcd6ef27 Mon Sep 17 00:00:00 2001 From: Akinori MUSHA Date: Sun, 20 Sep 2020 23:23:13 +0900 Subject: [PATCH] Resurrect support for Ruby 2.x In Ruby 2.x, initialize_copy does not take a freeze option. --- lib/set.rb | 16 ++++++++++++---- test/test_set.rb | 2 +- 2 files changed, 13 insertions(+), 5 deletions(-) diff --git a/lib/set.rb b/lib/set.rb index d405d81..844d52e 100644 --- a/lib/set.rb +++ b/lib/set.rb @@ -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: diff --git a/test/test_set.rb b/test/test_set.rb index 86f8602..acb1ceb 100644 --- a/test/test_set.rb +++ b/test/test_set.rb @@ -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]