Community version of “Learn You a Haskell…” (https://learnyouahaskell.github.io/) — 2026 update
Haskell Community [Unofficial]
March 7, 2026
learnyouahaskell.github.io
Tasteful stateful computations - For a Few Monads More - Learn You a Haskell for...
All references to the State constructor from Control.Monad.State don’t compile as they need to use the state function instead. An upstream solution might be adding a pattern synonym to transformers, but I think it’s a lot easier to just make this lowercase!
Discussion in the ATmosphere