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Mail Archives: opendos/1997/04/24/16:51:04

Comments: Authenticated sender is <alaric+abwillms AT sdps DOT demon DOT co DOT uk>
From: "Alaric B. Williams" <alaric AT abwillms DOT demon DOT co DOT uk>
To: Lorier <lorier AT ihug DOT co DOT nz>
Date: Thu, 24 Apr 1997 20:08:16 +0000
MIME-Version: 1.0
Subject: Re: Usage of directory entries
Reply-to: alaric AT abwillms DOT demon DOT co DOT uk
CC: Mark Habersack <grendel AT hoth DOT amu DOT edu DOT pl>, opendos-developer AT delorie DOT com
In-reply-to: <m0wJvvH-000FnDC@hn.planet.gen.nz>
Message-ID: <861911956.0525119.0@abwillms.demon.co.uk>

On 23 Apr 97 at 18:52, Lorier wrote:

> >The definition of a hygenic macro is that any global identifiers accessed in
> >the macro have the meaning they did at the point the macro was defined, eg
> >if we use PRINT_SUM inside a block with a local variable called "cout",
> >PRINT_SUM will still use the cout that was declared when /it/ was declared.
> >
> >Saves on bugs and confusion...
 
> ah... so "true local variables" 
 
That's half of it. The other half is "true parameter names", which is similar :-)


ABW 
--
Alaric B. Williams (alaric AT abwillms DOT demon DOT co DOT uk)

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