This is not as generic as you were proposing.
The apply function forces the user to chose what is the scope of locking
for multiple operations. So the compiler doesn't have to magically figure
out in
if (container.empty()) container.push();
It should lock twice or just once. This os given by the user.

See also:
https://github.com/facebook/folly/blob/main/folly/docs/Synchronized.md

Em qui., 1 de jun. de 2023 21:05, Phil Bouchard via Std-Proposals <
std-proposals_at_[hidden]> escreveu:

>
>
> On 6/1/23 12:26, Jason McKesson via Std-Proposals wrote:
>
> > If you want "more positive feedback", you should strive not to come to
> > a fact-fight unarmed.
>
> A generic solution is right here and it solves exactly the problem I was
> raising:
> https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2023/p0290r4.html
>
> That basically proves again your negative evaluation of everything was
> in vain. Honestly there's a thin line between trolling and your comments
> to my regards for some reason.
>
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