Comment by 🚀 mk270

=> Re: "No, you can't build Optional[T] or Maybe[T] with Go" | In: u/greg

It is adorable that the misunderstandings of statically type-checking sometimes uttered by proponents of dynamically type-checked languages can be reproduced in statically type-checked languages like Go.

=> 🚀 mk270

2024-10-25 · 3 months ago

Original Post

=> 🌲 greg

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...

=> 💬 4 comments · 3 likes · 2024-10-22 · 3 months ago · #go