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| From | Keith Thompson <Keith.S.Thompson+u@gmail.com> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: Why is this happening? |
| Date | 2026-04-06 17:42 -0700 |
| Organization | None to speak of |
| Message-ID | <87tstn38jq.fsf@example.invalid> (permalink) |
| References | (6 earlier) <86bjg72xl6.fsf@linuxsc.com> <87zf3rurp9.fsf@example.invalid> <86ldezzyx1.fsf@linuxsc.com> <877bqj4wh1.fsf@example.invalid> <20260407020558.000055ca@yahoo.com> |
Michael S <already5chosen@yahoo.com> writes:
> On Mon, 06 Apr 2026 14:20:26 -0700
> Keith Thompson <Keith.S.Thompson+u@gmail.com> wrote:
[...]
>> Your "C++ be damned" attitude is not shared by either language
>> committee (fortunately, IMHO).
>
> For C11 and C17 it was true.
> But C23 has at least two new (or old new) incompatibilities with C++:
> - VMT are again mandatory, like in C99
> - _BitInt(N)
> It sounds to me as a change of the attitude. Or may be a return to
> pre-C11 attitude.
It's always been true that C has some features that C++ doesn't.
In some cases, it's because some features are better implemented
in C++ as container classes, while C needs them to be implemented
in the core language. Variably modified types are a good example;
for most cases where I'd use one in C, I'd probably use std::vector
in C++. Complex types are another example.
There is a proposal to add _BitInt to a new edition of C++:
https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2025/p3666r2.html
That hardly indicates a "C++ be damned" attitude. The two committees
still coordinate fairly closely, and try to keep the two languages as
compatible as reasonably possible.
C23 uses apostrophes as digit separators because C++ does so.
I don't know why Tim thinks requiring support for both apostrophes
and underscores would be an improvement.
[...]
--
Keith Thompson (The_Other_Keith) Keith.S.Thompson+u@gmail.com
void Void(void) { Void(); } /* The recursive call of the void */
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