Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!snorkelwacker!spdcc!ima!haddock!karl
From: karl@haddock.ima.isc.com (Karl Heuer)
Newsgroups: comp.lang.c
Subject: Re: C style peeve and knowing the rules
Message-ID: <16273@haddock.ima.isc.com>
Date: 25 Mar 90 23:21:26 GMT
References: <2205@osc.COM> <340018@hplvli.HP.COM> <19356@megaron.cs.arizona.edu>
Reply-To: karl@haddock.ima.isc.com (Karl Heuer)
Organization: Interactive Systems, Cambridge, MA 02138-5302
Lines: 13

In article <19356@megaron.cs.arizona.edu> robert@cs.arizona.edu (Robert J. Drabek) writes:
>In article <340018@hplvli.HP.COM>, boyne@hplvli.HP.COM (Art Boyne) writes:
>>Also, 'while', 'for', 'if', etc., all *require* parenthesis...
>
>But as Joe Keane said, these constructs require the parenthesis for a
>particular reason and few people understand that reason.

There's one exception: in the do-while statement, the language definition
requires the parentheses even though there would be no syntactic difficulty
without them.  (The semicolon would suffice to terminate the expression, just
as it does with return.)

Karl W. Z. Heuer (karl@ima.ima.isc.com or harvard!ima!karl), The Walking Lint)