From: matz@...
Date: 2014-02-28T03:01:17+00:00
Subject: [ruby-core:61133] [Backport21 - Backport #9299] Required keyowrd	arguments and arity

Issue #9299 has been updated by Yukihiro Matsumoto.


I consider this as a bug.  So it should be back-ported to 2.1, I think.

Matz.


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Backport #9299: Required keyowrd arguments and arity
https://bugs.ruby-lang.org/issues/9299#change-45514

* Author: Marc-Andre Lafortune
* Status: Feedback
* Priority: Normal
* Assignee: Yukihiro Matsumoto
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While fixing #8072, I noticed another bug: a required keyword argument should add 1 to the arity:

    proc{|required:|}.arity # => 0, should be 1



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