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Fix arity of Hash#to_proc [Bug #12671]

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This commit is contained in:
Benoit Daloze 2020-07-28 20:39:27 +02:00
parent f79dc8741f
commit 241244739f
Notes: git 2020-07-30 01:10:38 +09:00 
Merged: https://github.com/ruby/ruby/pull/3370
2 changed files with 5 additions and 1 deletions
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2
hash.c
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@ -5285,7 +5285,7 @@ hash_proc_call(RB_BLOCK_CALL_FUNC_ARGLIST(key, hash))
static VALUE
rb_hash_to_proc(VALUE hash)
{
return rb_func_proc_new(hash_proc_call, hash);
return rb_func_lambda_new(hash_proc_call, hash, 1, 1);
}
static VALUE

4
spec/ruby/core/hash/to_proc_spec.rb
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@ -29,6 +29,10 @@ describe "Hash#to_proc" do
it "is a lambda" do
@proc.should.lambda?
end
it "has an arity of 1" do
@proc.arity.should == 1
end
end
it "raises ArgumentError if not passed exactly one argument" do