[ruby-core:71115] [CommonRuby - Feature #11605] [Open] Ruby should raise on def(a='a', b) [optional param that can't be used]

Issue #11605 has been reported by Rodrigo Rosenfeld Rosas.

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Feature #11605: Ruby should raise on def(a='a', b) [optional param that can't be used]
https://bugs.ruby-lang.org/issues/11605

* Author: Rodrigo Rosenfeld Rosas
* Status: Open
* Priority: Normal
* Assignee: Yukihiro Matsumoto
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Why doesn't Ruby complain when defining a method like this?

~~~
def a(opt='opt', required)
end
~~~

I believe it's impossible to call method 'a' passing only required, while sticking to the default value for 'opt', right? So, why should Ruby allow such definition?



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