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authorAkinori MUSHA <knu@idaemons.org>2020-09-20 23:23:13 +0900
committerHiroshi SHIBATA <hsbt@ruby-lang.org>2020-12-04 19:23:35 +0900
commit46fc8d78a5d23d3c9a24e1bcc3c5cde4bce888de (patch)
treea1e52a035081028a81b8c4708c8a76a84a04f3af /lib/set.rb
parent0adc426ca5cf83e57f5e8433a2f7b55fb7a1fad6 (diff)
[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
Diffstat (limited to 'lib/set.rb')
-rw-r--r--lib/set.rb16
1 files changed, 12 insertions, 4 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 @@ 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: