🌲 u/greg
Posts
No, you can't build Optional[T] or Maybe[T] with Go — From time to time, someone shows up on Mastodon, in /r/golang, or on the Gophers Slack to show how they implemented optional values like you see in Haskell, OCaml, TypeScript, or Rust in Go. All of these approaches have one thing in common: they're not really Optional[T] or Maybe[T]. They look like it on the surface: there are generics involved, they may have a "is this valid?" boolean flag field, the name is right, etc... What all of...