From: gotoken@... (GOTO Kentaro)
Date: 2001-03-07T00:00:13+09:00
Subject: [ruby-talk:12140] Re: Proc.arity() broken on Windows?

In message "[ruby-talk:12137] Re: Proc.arity() broken on Windows?"
    on 01/03/06, Mike Bowler <mbowler@GargoyleSoftware.com> writes:
>>   testArity() { |a,| }
>
>This behaves the way I would have expected |a| to work.  Very
>interesting.

FYI:

   lambda{|a|}.call   expects zero or more arguments. 
   lambda{|a,|}.call  expects just one argument. 
   lambda{||}.call    expects zero arguments. 

-- Gotoken