>like Rust has (Option<T> instead of `err != nil` Didn't they implement generics already? https://go.dev/blog/why-generics https://go.dev/blog/why-generics I

>like Rust has (Option<T> instead of `err != nil` Didn't they implement generics already? https://go.dev/blog/why-generics https://go.dev/blog/why-generics It seems like their implementation has enough power to do this in most cases, although "Option" is not built in.