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Message-ID: <87o8lyyxwm.fsf@oldenburg2.str.redhat.com>
Date: Tue, 22 Sep 2020 11:16:09 +0200
From: Florian Weimer <fweimer@...hat.com>
To: Jonathan Wakely <jwakely@...hat.com>
Cc: Alejandro Colomar <colomar.6.4.3@...il.com>,
libc-coord@...ts.openwall.com, gcc@....gnu.org, libstdc++@....gnu.org,
Libc-alpha <libc-alpha@...rceware.org>
Subject: Re: Re: Expose 'array_length()' macro in <sys/param.h>
* Jonathan Wakely:
>># define array_length(arr) (std:size(arr))
>
> C++ programmers will not accept a macro for this.
I think we need a macro for C++98 support because there is no other way
to produce constant expression.
Note that this intended for C programs compiled in C++ mode. As pointed
out, new C++ code should rather use std::size.
Thanks,
Florian
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