From: matz@... (Yukihiro Matsumoto)
Date: 2000-12-03T00:24:16+09:00
Subject: [ruby-talk:6743] Re: behavior of Proc#arity?

Hi,

In message "[ruby-talk:6714] Re: behavior of Proc#arity?"
    on 00/12/02, Steven Grady <grady@scam.xcf.berkeley.edu> writes:

|(BTW, should <a = 1, 2> do the same magic as <proc {|a|}.call(1, 2)>?
|Right now, it generates a parse error.)

Hmm, let me think about this for a while.

|Also, what is the meaning of ||?  According to my tests, it allows
|you to pass 0 or more arguments, just as with |a|.  Is there anything
|special it does? Is <proc {|| ...}> different from <proc {...}>?
|
|I assume there is no way to produce a proc of arity 0?

You are right.  || should accept exactly zero argument.  I'll fix this.

							matz.