How to pass in reference a fixed array in parameter

[Nick Treleaven]

On Wednesday, 5 June 2024 at 09:24:23 UTC, evilrat wrote:
> for simple cases like this it might work, but 2d array is not 
> even contiguous,

A 2D static array is contiguous:
https://dlang.org/spec/arrays.html#rectangular-arrays

> D static arrays, while using the same syntax, are implemented 
> as a fixed rectangular layout in a contiguous block of memory