Agree. I've used 'uint64_t thing_id' in somewhat-similar situations, to make it visually obvious which type you're dereferencing. (That is, thing_do(foo.other_

Agree. I've used 'uint64_t thing_id' in somewhat-similar situations, to make it visually obvious which type you're dereferencing. (That is, thing_do(foo.other_thing_id) still compiles, but at least it looks wrong.)