Dear Veronica,

what about your mentioned alternative of anonymous unions and structs?

They could be made standard-compliant.

And would need less language changes.

Would they have problems with UB due to which element is the active one? When used in your use case?

Best regards,

Sebastian
 

-----Ursprüngliche Nachricht-----
Von: veronica alphonso via Std-Proposals <std-proposals@lists.isocpp.org>
Gesendet: Do 07.03.2024 23:55
Betreff: [std-proposals] Subscript aliasing
An: std-proposals@lists.isocpp.org;
CC: veronica alphonso <verodeving@gmail.com>;

In C++ there isn't a standard-compliant way of creating named aliases of c-like array elements. In certain contexts, it is preferred to access these these array elements with a named identifier that is bounded to that particular array entry, e.g:

union
{
    float my_vec[3];
    struct
    {
        float x, y, z;
    };
};

However, anonymous structs/classes are only

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