Hi Xi,
On Fri, Aug 23, 2024 at 03:35:39PM GMT, Xi Ruoyao wrote:
> On Thu, 2024-08-22 at 21:24 +0200, Alejandro Colomar wrote:
> > > ...except transparent unions are C-only, so we'd need something else
> > > for C++ if we went with this for C.
> >
> > Why don't they have transparent unions in C++? Is it just that nobody
> > cared to implement them? Or do they have inherent problems there?
>
> In C++ you can write something like
>
> union X {
> int x;
> float y;
>
> X(int _x) : x(_x) {}
> X(float _y) : y(_y) {}
> };
>
> anyway.
But by not having transparent unions, C++ will reject valid C code.
This ultimately means that C++ won't be able to include a header that
provides arch_prctl(2).
Have a lovely day!
Alex
--
<https://www.alejandro-colomar.es/>
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