How to define Struct / Array type with runtime invariants like SVE or RVV

[Jonathan Wakely]

On Wed, 25 Aug 2021, 07:45 Jojo R wrote:

> Hi,
>
>         I want to use struct or array type as container in my project,
>
>         but GCC does not support this usage by now because that
>
>         the size of these types are decided at compile-time :(
>
>         so is there any good solution to fix this ?
>
>         or some new feature patches to add supporting for these types with
>         computed size at runtime ?
>

Do you mean something like
https://en.m.wikipedia.org/wiki/Flexible_array_member ?