From: "Hal E. Fulton" <hal9000@...>
Date: 2002-11-15T11:20:46+09:00
Subject: Re: understanding continuations

----- Original Message ----- 
From: "Pit Capitain" <pit@capitain.de>
To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
Sent: Thursday, November 14, 2002 1:17 PM
Subject: Re: understanding continuations


> On 15 Nov 2002 at 3:20, ahoward wrote:
> 
> > rubyists-
> > 
> > i am trying to grok continuations, and only barely understand them.
> > 
> > my goal is to implement an Enumerable#next method which uses
> > Enumerable#each_with_index and callcc.  i have one or two ways which
> > work, but recurse infinitely.... my main problem is how to know when
> > each_with_index is on the last item!  however, i really don't
> > understand what i'm doing!  if anyone can provide more insight into
> > continuations than the pickaxe, i'd appreciate it.
> 
> I was once like you are now, and I know that it's not easy,
> To be calm when you've found something going on.
> But take your time, think a lot,
> Why, think of everything you've got.
> For you will still be here tomorrow, but your dreams may not.
> 
> Son
> How can I try to explain, when I do he turns away again.
> It's always been the same, same old story.
> From the moment I could (ruby-)talk(20270) I was ordered to listen.
> Now there's a way and I know that I have to go away.
> I know I have to go.

I nominate this for most poetic post of the month.
I don't know the song, though it sounds like Harry
Chapin to me. (self.date!)

Hal