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Date: Mon, 8 Dec 2025 09:00:55 +0100
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Subject: Re: Make copyObject work in C++
To: Tom Lane <tgl@sss.pgh.pa.us>, Jelte Fennema-Nio <postgres@jeltef.nl>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>,
 Thomas Munro <thomas.munro@gmail.com>
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From: Peter Eisentraut <peter@eisentraut.org>
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On 07.12.25 20:45, Tom Lane wrote:
> Hmm, this only fixes the one use-case.  Admittedly we have only one
> use-case, but as soon as we have another we'll have a new problem.
> How about instead modifying the macro?  Maybe something like this
> in c.h (untested):
> 
> #ifdef __cplusplus
> #undef typeof
> #define typeof decltype
> #define HAVE_TYPEOF 1
> #endif

AFAICT, both gcc and clang support typeof in C++ mode as well.  So this 
kind of renaming could be confusing.