This sounds pretty similar to code koans, where you learn a language by making all the tests pass. The rustlings course for Rust works this way too - very effec

This sounds pretty similar to code koans, where you learn a language by making all the tests pass. The rustlings course for Rust works this way too - very effective IMO. Some examples: - F#: https://github.com/ChrisMarinos/FSharpKoans https://github.com/ChrisMarinos/FSharpKoans - Ruby: https://github.com/edgecase/ruby_koans https://github.com/edgecase/ruby_koans - Powershell: https://github.com/vexx32/PSKoans https://github.com/vexx32/PSKoans - Rust: https://github.com/rust-lang/rustlings https://github.com/rust-lang/rustlings