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keyword args should not override optional args #743

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rkh opened this issue May 17, 2013 · 2 comments
Closed

keyword args should not override optional args #743

rkh opened this issue May 17, 2013 · 2 comments
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core parser
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JRuby 9.0.0.0-pre1

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@rkh
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rkh commented May 17, 2013 

$ cat kwarg.rb
def foo(arg = nil, **kwargs)
  p arg
  p kwargs
end

foo a: 42

$ ruby --version
ruby 2.0.0p0 (2013-02-24 revision 39474) [x86_64-darwin12.3.0]

$ jruby --version
jruby 1.7.4.dev (1.9.3p392) 2013-05-10 18c8b85 on Java HotSpot(TM) 64-Bit Server VM 1.7.0_04-ea-b15 [darwin-amd64]

$ ruby kwarg.rb
nil
{:a=>42}

$ jruby --2.0 -X-C kwarg.rb
{:a=>42}
{:a=>42}
@enebo
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enebo commented May 17, 2013

Yeah I actually knew about this one and a couple of others from MRI tests. Unfortunately, I did not want to fix all cases properly right before JRuby 1.7.4. Our main issue is we have a single ArgNodes class and logic which handles argument binding in the interpreter for 1.8,1.9, and 2.0 modes in the same code path. We will need to trifurcate this a bit :)

@headius
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headius commented Nov 12, 2014

Working in 9k.

@headius headius closed this as completed Nov 12, 2014
@headius headius added this to the JRuby 9.0.0.0-pre1 milestone Nov 12, 2014
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@headius @enebo @rkh