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To: 9fans@cse.psu.edu
Subject: Re: [9fans] what's wrong with this?
From: rog@vitanuova.com
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Date: Fri, 27 Sep 2002 16:36:41 +0100
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i always thought that:

#define	assert(x)	if(x){}else _assert("x")

was a bit dodgy... it's a good thing macros aren't
used much in plan 9 otherwise someone would
have been bitten.

still it's better than the ## nastiness, i suppose.

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From: "Russ Cox" <rsc@plan9.bell-labs.com>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] what's wrong with this?
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Date: Fri, 27 Sep 2002 10:05:43 -0400

The problem is that assert tries to include the
text of what is being asserted, since the compiler
doesn't provide preprocessor variables for the
current file and line number.

Russ
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