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From: Patrick Logan <plogan@user2.teleport.com>
Subject: Re: Software landmines (loops)
Date: 1998/09/02
Message-ID: <aXiH1.6644$f01.4824377@news.teleport.com>#1/1
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References: <slrn6sopmg.4fg.jdege@jdege.visi.com>
   <6sjms6$7c4$1@hirame.wwa.com> <EynyFt.Mwz@ecf.toronto.edu>
 <6skcve$t6j$1@hirame.wwa.com>
Organization: Teleport - Portland's Public Access (503) 220-1016
NNTP-Posting-Date: Wed, 02 Sep 1998 14:40:22 PDT
Newsgroups: comp.lang.eiffel,comp.object,comp.software-eng,comp.lang.ada
Date: 1998-09-02T00:00:00+00:00
List-Id: <comp.lang.ada>

In comp.object Robert Martin <rmartin@oma.com> wrote:

: But there is a difference.  With polymorphism, though you may not know what
: function is actually being called, you do know that it will return to you.
: Thus, there is a postcondition that you can depend upon.   But once you
: throw an exception, there is very little you can say about what happens
: next.

But you (the method developer whose method is throwing an exception)
don't care what happens next. You only care that your method has held
up its end of the bargain.

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