From: "David A. Black" <dblack@...>
Date: 2005-08-19T01:40:08+09:00
Subject: Re: unless statement... why oh why?

Hi --

On Fri, 19 Aug 2005, Brock Weaver wrote:

> Sorry, to be a little more clear, the following 3 lines are all
> equivalent (notice the parens in line 2):
>
> if not thr or not thr.alive?
> unless (thr or thr.alive?)
> unless thr and thr.alive?
>
> It's easiest for me to think of "unless" == "if not".  What's funny is
> that "if not" is no longer than "unless", so the "unless" keyword
> doesn't buy us much.

I don't think its goal is to be shorter (apparently :-) but rather to
sound good.


David

-- 
David A. Black
dblack@wobblini.net