On Fri, Jan 12, 2024 at 10:24:45PM +0100, Federico Kircheis via Std-Discussion wrote:
[...]
> Thus my first question is, is how I am using the lambda incorrect?

https://cplusplus.github.io/CWG/issues/2672.html recently clarified
that a lambda body is not in the immediate context.

[...]
> Supposing that using a lambda is not correct, here comes my second question:
> Is it possible to express as a concept that a structure can be decomposed in
> one (or N) elements?

Don't think it is...


Christof

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