From 46fc8d78a5d23d3c9a24e1bcc3c5cde4bce888de Mon Sep 17 00:00:00 2001 From: Akinori MUSHA Date: Sun, 20 Sep 2020 23:23:13 +0900 Subject: [ruby/set] Resurrect support for Ruby 2.x In Ruby 2.x, initialize_copy does not take a freeze option. https://github.com/ruby/set/commit/3da6c309df --- lib/set.rb | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) (limited to 'lib/set.rb') diff --git a/lib/set.rb b/lib/set.rb index d405d81178..844d52ed54 100644 --- a/lib/set.rb +++ b/lib/set.rb @@ -136,10 +136,18 @@ class Set @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: -- cgit v1.2.3