Learning Haskell the Hard Way
When I was reading the collection of learning resources on Haskell and tried to find a good start, I quickly realized that none of the books or tutorials are suitable for me: the easier a tutorial claims to be, the harder to really understand Haskell by reading it. What I need is a terse documentation that introduces the syntax and semantics of Haskell systematically and clearly, but unfortunately none was found. ...