https://news.ycombinator.com/item?id=30363161 https://news.ycombinator.com/item?id=30363161 / https://www.pragprog.com/titles/rshaskell/effective-haskell/ https

https://news.ycombinator.com/item?id=30363161 https://news.ycombinator.com/item?id=30363161 / https://www.pragprog.com/titles/rshaskell/effective-haskell/ https://www.pragprog.com/titles/rshaskell/effective-haskell/