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From: Florian Weimer <fweimer@redhat.com>
To: Jonathan Wakely <jwakely@redhat.com>
Cc: Alejandro Colomar <colomar.6.4.3@gmail.com>,
 libc-coord@lists.openwall.com,  gcc@gcc.gnu.org,  libstdc++@gcc.gnu.org,
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Subject: Re: [libc-coord] Re: Expose 'array_length()' macro in <sys/param.h>
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Date: Tue, 22 Sep 2020 11:16:09 +0200
In-Reply-To: <20200921220443.GP6061@redhat.com> (Jonathan Wakely's message of
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* 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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