From: Stefan Schmiedl <s@...>
Date: 2002-09-12T22:40:19+09:00
Subject: Re: if and unless

On Thu, 12 Sep 2002 03:39:15 GMT,
Jim Freeze <jim@freeze.org> wrote:
> 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
>> 
> 
> 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 agree with Jim.
In my code the available predicate dictates
the use of if and unless.

Less code is better: Maximize LOCNW!

s.