From: dblack@...
Date: 2003-05-30T07:21:48+09:00
Subject: Re: Iteration - last detection

Hi --

On Fri, 30 May 2003, Martin DeMello wrote:

> dblack@superlink.net wrote:
> > Let Ruby do more of the work for you :-)
> >
> >  module Enumerable
> >    def each_with_last
> >      each_with_index {|e,i| yield(e, i == size-1)}
> >    end
> >  end
>
> You aren't guaranteed 'size', though.

Yikes.  So much for conciseness :-)  Thanks for the timely correction.


David

-- 
David Alan Black
home: dblack@superlink.net
work: blackdav@shu.edu
Web:  http://pirate.shu.edu/~blackdav