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Check Module#ruby2_keywords arity

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It is considered a mistake, because calling this method with no
arguments has no effect.
This commit is contained in:
Nobuyoshi Nakada 2020-01-02 10:06:16 +09:00
parent 076f24c227
commit 34bc15c86b
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Notes: git 2020-01-02 10:56:09 +09:00
2 changed files with 7 additions and 0 deletions
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6
test/ruby/test_keyword.rb
View file

@ -2724,6 +2724,12 @@ class TestKeywordArguments < Test::Unit::TestCase
end
def test_ruby2_keywords
assert_raise(ArgumentError) do
Class.new do
ruby2_keywords
end
end
c = Class.new do
ruby2_keywords def foo(meth, *args)
send(meth, *args)

1
vm_method.c
View file

@ -1811,6 +1811,7 @@ rb_mod_ruby2_keywords(int argc, VALUE *argv, VALUE module)
int i;
VALUE origin_class = RCLASS_ORIGIN(module);
rb_check_arity(argc, 1, UNLIMITED_ARGUMENTS);
rb_check_frozen(module);
for (i = 0; i < argc; i++) {