Path: utzoo!mnetor!uunet!husc6!mit-eddie!uw-beaver!ssc-vax!lee
From: lee@ssc-vax.UUCP (Lee Carver)
Newsgroups: comp.lang.c++
Subject: Re: Object Design Tools
Message-ID: <1021@ssc-bee.ssc-vax.UUCP>
Date: 15 Mar 88 17:35:44 GMT
References: <97@cui.UUCP> <36300003@pyr1.cs.ucl.ac.uk> <1442@devvax.JPL.NASA.GOV> <1681@stpstn.UUCP>
Organization: Boeing Aerospace Corp., Seattle WA
Lines: 14
Summary: nor print

In article <1681@stpstn.UUCP>, cox@stpstn.UUCP (Brad Cox) writes:
> 
> 	OBJECTS SHOULD NEVER KNOW HOW TO `PRINT' THEMSELVES 
> 		(or `display' themselves, nor any analogous verb).
> 
> Printing is guaranteed to change because it depends on display device
> technology, formatting requirements, and even the needs/expertise of the 
> viewer, while abstract (model) objects can live on and on without change.

Perhaps an obvious corralary, but an analogous verb not covered is
'input', for exactly the same reason.  Both input and output are
concrete processes.

	OBJECTS SHOULD NEVER KNOW HOW TO `INPUT` THEMSELVES