Looks like it's only true for pointer types which cannot be null (so they can reuse null as the None tag) https://doc.rust-lang.org/std/option/ https://doc.rus

Looks like it's only true for pointer types which cannot be null (so they can reuse null as the None tag) https://doc.rust-lang.org/std/option/ https://doc.rust-lang.org/std/option/