From: Jeremy Bopp <jeremy@...>
Date: 2011-04-21T02:44:01+09:00
Subject: Re: anonymous closures with Proc,new, lambda and ->

On 4/20/2011 10:18, Brian Candler wrote:
> Michael Edgar wrote in post #993817:
>> Proc
>> doesn't implement #initialize, so it bubbles up to Object#initialize.
>> Since Object#initialize just takes any number of arguments and ignores
>> them, providing an argument to Proc.new doesn't raise.
> 
> So I think the question becomes: why does Object#initialize accept any 
> number of arguments in 1.9? It doesn't in 1.8.

It seems that it was a bit of an oversight when the change that
implemented that feature was approved.  This is the redmine issue that
tracked the change:

http://redmine.ruby-lang.org/issues/show/2451

Here is a discussion about it:

http://www.ruby-forum.com/topic/330466

Apparently, the change was reverted for Ruby 1.9.3+.  I haven't checked
to confirm for myself yet.

-Jeremy