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Date: Wed, 24 May 2023 10:34:08 -0400
From: Rich Felker <>
To: Jₑₙₛ Gustedt <>
Subject: Re: [C23 divers headers 16/17] C23: add the nullptr_t type

On Wed, May 24, 2023 at 04:29:16PM +0200, Jₑₙₛ Gustedt wrote:
> Rich,
> on Wed, 24 May 2023 10:22:01 -0400 you (Rich Felker <>)
> wrote:
> > nullptr_t is not defined pre-C23 so the __clang__ branch shouldn't be
> > there.
> Well, if I do that, such a change is impossible to test, because there
> are not yet any compilers with that version number. How should we do
> that, then? Have a test for >= 201800L or so?

I'm not really convinced this needs testing at this point (what even
is a test testing, if not that the right version results in the
definition being present?), but what does existing -std=c2x or
whatever set the version to? Could probably use >= that instead of >=
the official C23 version.


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