Took another read at it and didn't find reference to this being supported.
I ll flesh out the proposal some more and have it discussed with the
reflection SG7

Le dim. 14 avr. 2024 à 16:55, Andrew Tomazos via Std-Proposals <
std-proposals_at_[hidden]> a écrit :

>
>
> On Sun, Apr 14, 2024 at 12:30 PM Thiago Macieira via Std-Proposals <
> std-proposals_at_[hidden]> wrote:
>
>> On Saturday 13 April 2024 18:33:16 GMT-7 Aurelien Cassagnes via
>> Std-Proposals
>> wrote:
>> > Other examples of wrapping around callables can be found, whether by
>> > closure or explicity registering callbacks for dispatch, etc.
>> > The proposal here is to introduce a `declattr` keyword to look into
>> > attributes bound to an entity, the form would be likely equivalent to
>> how
>> > `decltype` or `declval` are used.
>>
>> This is probably already taken into account in reflection. If it's not,
>> it
>> should be. So can you contact the relevant SG and see if it's there?
>> reflexpr
>> and other reflection papers are out there too.
>>
>
> The latest reflection paper is wg21.link/p2996
>
> --
> Std-Proposals mailing list
> Std-Proposals_at_[hidden]
> https://lists.isocpp.org/mailman/listinfo.cgi/std-proposals
>