From: Yukihiro Matsumoto <matz@...>
Date: 2009-01-16T10:57:32+09:00
Subject: Re: Proc params extension

Hi,

In message "Re: Proc params extension"
    on Fri, 16 Jan 2009 09:27:04 +0900, Tj Holowaychuk <tj@vision-media.ca> writes:
|
|Basically what I need is:
|
|Proc.new { |a,b,c| }.params # => [:a, :b, :c]

1.9 has Proc#parameters:

  Proc.new { |a,b,c| }.parameters
  # => [[:opt, :a, nil], [:opt, :b, nil], [:opt, :c, nil]]

which means all a, b, c are optional, and their default values are
nil.

							matz.