Seems to be abandoned, but had positive feedback in the EWGI (Evolution Working Group Incubator):

https://github.com/cplusplus/papers/issues/655

-----Ursprüngliche Nachricht-----
Von: Giuseppe D‘Angelo via Std-Proposals <std-proposals@lists.isocpp.org>
Gesendet: Fr 08.03.2024 00:21
Betreff: Re: [std-proposals] Subscript aliasing
Anlage: untitled
An: std-proposals@lists.isocpp.org;
CC: Giuseppe D‘Angelo <giuseppe.dangelo@kdab.com>;
On 08/03/2024 00:19, Jan Schultke via Std-Proposals wrote:
> You can have your cake and eat it with existing features.
>
> Make three members float x, y, z, then define an operator[].

The missing building block is then interconvertibility between the
struct and an array of floats. See also P1912:
https://wg21.link/p1912r1

Thank you,
--
Giuseppe D'Angelo
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