Well, that doesn't really work, as "StaticOptional[T]" can't be used as the type of a variable. It can only be used to create another generic function.

For example, this doesn't work [0]:

  //compilation error: interface contains type constraints
  func TryParse123(s string) StaticOptional[int] {
     if s == "123" {
       return StaticSome[int]{123}
     }
     return StaticNone{}
  }

[0] https://go.dev/play/p/1CnieCLqESC