Yep, it allows you to tag something a metres per second, but it doesn’t automatically make multiplying it by a duration yield a distance without writing any cus

Yep, it allows you to tag something a metres per second, but it doesn’t automatically make multiplying it by a duration yield a distance without writing any custom code. F# can do that, and it’s rather cool. There are dimensional analysis libraries for other languages, but none that I’m aware of baked in.