From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00,INVALID_MSGID
	autolearn=no autolearn_force=no version=3.4.4
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: fac41,9a0ff0bffdf63657
X-Google-Attributes: gidfac41,public
X-Google-Thread: f43e6,9a0ff0bffdf63657
X-Google-Attributes: gidf43e6,public
X-Google-Thread: 103376,4b06f8f15f01a568
X-Google-Attributes: gid103376,public
X-Google-Thread: 1108a1,9a0ff0bffdf63657
X-Google-Attributes: gid1108a1,public
From: Patrick Logan <plogan@user2.teleport.com>
Subject: Re: Software landmines (loops)
Date: 1998/09/03
Message-ID: <cRxH1.7159$f01.5180500@news.teleport.com>#1/1
X-Deja-AN: 387496648
References: <slrn6sopmg.4fg.jdege@jdege.visi.com>
   <35DBDD24.D003404D@calfp.co.uk> <m3ogt3qgca.fsf@mheaney.ni.net>
 <6sbuod$fra$1@hirame.wwa.com>  <904556531.666222@miso.it.uq.edu.au>
 <6sgror$je8$3@news.indigo.ie> <6sh3qn$9p2$1@hirame.wwa.com>
 <Oi4H1.219$qj1.315418@newsread.com> <6simjo$jnh$1@hirame.wwa.com>
 <m3lno372be.fsf@mheaney.ni.net> <6sjk3p$4tc$1@hirame.wwa.com>
 <m34suq7qra.fsf@mheaney.ni.net> <nogH1.6466$f01.4705828@news.teleport.com>
 <umqpvddbmxf.fsf@maestro.clustra.com>
Organization: Teleport - Portland's Public Access (503) 220-1016
NNTP-Posting-Date: Thu, 03 Sep 1998 07:38:00 PDT
Newsgroups: comp.lang.eiffel,comp.object,comp.software-eng,comp.lang.ada
Date: 1998-09-03T00:00:00+00:00
List-Id: <comp.lang.ada>

In comp.object Ole-Hjalmar Kristensen <ohk@tfdt-o.nta.no> wrote:

: If you believe that this assingnment makes the second test faster in
: the general case, you are very wrong. It may even make the loop
: slower, depending on the optimizer.  I've had this happen to me more
: than once.  I have to side with the middle exit guys in this
: case. One of the reasons why I like the Ada loop construct.

More than that, I believe it is readable and maintainable and fast
enough. I'd wait for a profiler to tell me this is where I should
spend any more effort on performance.

-- 
Patrick Logan    (H) mailto:plogan@teleport.com 
                 (W) mailto:patrickl@gemstone.com 
                 http://www.gemstone.com