From: Bill Currie <bcurrie@tssc.co.nz>
To: richard.earnshaw@arm.com
Cc: Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>,
Marc Rouaix <rouaix@my-dejanews.com>,
egcs@cygnus.com, rearnsha@sun52.arm.com
Subject: Re: suggest parentheses around assignment used as truth value
Date: Wed, 01 Jul 1998 21:20:00 -0000 [thread overview]
Message-ID: <359B0985.2FB4@tssc.co.nz> (raw)
In-Reply-To: <199807011520.QAA13670@sun52.NIS.cambridge>
Richard Earnshaw wrote:
> if ((x = p()) != 0) {...}
>
> Then it becomes clear why the extra parentheses are needed.
Yes, because without the parentheses, it will be evaluated as:
if (x = (p() != 0)) {...}
And you're right back where you started from with a `suggest parentheses
around assignment used as truth value' warning.
Bill
--
Leave others their otherness
next prev parent reply other threads:[~1998-07-01 21:20 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-06-30 19:49 Marc Rouaix
1998-07-01 2:51 ` Andreas Schwab
1998-07-01 9:20 ` Richard Earnshaw
1998-07-01 21:20 ` Bill Currie [this message]
1998-07-02 7:08 ` Richard Earnshaw
1998-07-03 3:31 ` Nathan Sidwell
1998-07-03 6:15 ` Richard Earnshaw
1998-07-01 3:42 ` Branko Cibej
1998-07-02 7:08 ` Carlo Wood
1998-07-03 14:48 ` Kamil Iskra
1998-07-01 4:00 Brad M. Garcia
1998-07-01 20:20 ` Tim Hollebeek
1998-07-02 1:39 ` Harvey J. Stein
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