From: Austin Ziegler <halostatue@...>
Date: 2004-08-05T22:27:10+09:00
Subject: Re: Macros in Ruby

On Thu, 5 Aug 2004 13:24:16 +0900, Jim Weirich <jim@weirichhouse.org> wrote:
> Actually what surprises me most about Ruby's one-block per method
> technique is how flexible it turns out to be.  One would think that
> having the ability to pass multiple blocks would be big improvement, but
> I suspect that the improvement in flexibility is merely incremental.
> 
> What surprises me about Ruby is the about of expressiveness you get,
> even though you are limited to only one block per method call.  You
> would think that having the ability to pass multiple closures to a
> method would be a big improvement,

When I ported Diff::LCS, the Perl Algorithm::Diff version from which I
started used a hash of anonymous procs. I modified this to use a
callback *object*. I think that by the time you start needing multiple
procs, it's just as easy (or easier) to require an object that
encapsulates that.

-austin
-- 
Austin Ziegler * halostatue@gmail.com
               * Alternate: austin@halostatue.ca