ref: 170e5650b446699af330d2a1a6a8046cb78b9b3c
dir: /libstd/systypes.myr/
pkg sys = type size = int64 /* spans entire address space */ type usize = int64 /* signed size */ type off = int64 /* file offsets */ type intptr = uint64/* can hold any pointer losslessly */ type time = int64 /* milliseconds since epoch */ ;;