From: Brian Candler <B.Candler@...>
Date: 2003-05-31T00:32:44+09:00
Subject: Re: Iteration - last detection

On Sat, May 31, 2003 at 12:09:00AM +0900, ts wrote:
> >>>>> "B" == Brian Candler <B.Candler@pobox.com> writes:
> 
> B> Did someone propose implementing each_with_last in terms of select? 
> 
>  see [ruby-talk:72510]

Oh OK - make 'last?' a sort of pseudo-instance variable rather than passing
it as a parameter to each_with_last. Looks messy, as it splits the iterator
state: some carried by the iterator, and some carried outside it.

Cheers,

Brian.