here it is with Go: package main type km int func (distance km) launch_rocket() {} func main() { distance_miles := 42 // t

here it is with Go: package main type km int func (distance km) launch_rocket() {} func main() { distance_miles := 42 // type int has no field or method launch_rocket // distance_miles.launch_rocket() // this works, but is obviously wrong: km(distance_miles).launch_rocket() }