Comment by namibj

Rust's &str type, or the non-unicode-assuming version &[u8], allow creating (sub-)slices, which probably matches your strmirror function. Except that the same syntax works for all (dynamic/static) length arrays, and even allows custom code to e.g. transparently wrap an SoA[0] representation.

[0]: https://en.wikipedia.org/wiki/AoS_and_SoA