units (physical dimensions) in Rust language

[Isaac Dupree]

Apparently there's a (less elegantly usable than the C++, but usable)
way to have the static typechecker check units of measure in the current
version of Rust, even though current Rust lacks type-level numbers:

https://blog.mozilla.org/research/2014/06/23/static-checking-of-units-in-servo/