I can think of a few other potential use cases in Go. Some ideas: - Promises - Mutexes like Rust's Mutex<T> (would be much nicer than sync.Mutex) - swap func

I can think of a few other potential use cases in Go. Some ideas: - Promises - Mutexes like Rust's Mutex<T> (would be much nicer than sync.Mutex) - swap functions, like swap(pointer to T, pointer to T) - combinators and other higher-order functions