From: "NARUSE, Yui" <naruse@...>
Date: 2011-12-04T12:41:16+09:00
Subject: [ruby-core:41471] Re: [ruby-trunk - Bug #5694] Proc#arity doesn't take optional arguments into account.

(2011/12/03 4:20), Yehuda Katz wrote:
> Yeah� it would be nice to be able to do:
> 
>   if proc.arity_range.include?(2)
>   if method.arity_range.include?(2)

Is it really required way?

For example you want to know whether you can obj.meth(a, b) or not,
it should be something like obj.callable?(:meth, a, b), shouldn't it?

-- 
NARUSE, Yui  <naruse@airemix.jp>