From: Jim Freeze <jim@...>
Date: 2002-09-12T12:38:44+09:00
Subject: Re: if and unless

On Thu, Sep 12, 2002 at 06:39:49AM +0900, Hal E. Fulton wrote:
> 
> So I wrote:
> 
>   upload unless unchanged
> 
> So someone asked, why not:
> 
>   upload if changed
> 
> Well, since the whole point of downloading the file is
> to edit it, I expect that 99% of the time the file will
> be changed.
> 
> But it's not just that. Writing it this way (to me)
> *emphasizes* that point.
> 

Hmm. I would have chosen the latter for this case.
It seems more natural. 
I find my self using unless when I want to avoid
an explicit ! or not in the boolean test.

I like the your reasoning of using the 99% rule,
but I think if I were to try to follow it, I would
soon slip into using what made more since for
the particular case that what the rule said.


-- 
Jim Freeze
----------
Programming Ruby 
 def initialize; fun; end
A language with class