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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

  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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