From: Michael Neumann <mneumann@...>
Date: 2004-08-04T04:21:12+09:00
Subject: Re: Closure question

Fitzgerald,Greg wrote:
> I'm trying to make a function act as a counter, but I can't seem to get
> it to work.  Here's what I've tried:
> 
> def count
>   counter = 1
>   def count
>     proc {counter += 1}.call
>   end
>   counter
> end

def create_count
   counter = 0
   return proc { counter += 1 }
end

counter = create_count

counter.call # => 1
counter.call # => 2
counter.call # => 3


Regards,

   Michael