Haskell isn't exactly blub; between the first class functions and the custom monads it's quite possible to create custom languages. E.g. the parsing library Par

Haskell isn't exactly blub; between the first class functions and the custom monads it's quite possible to create custom languages. E.g. the parsing library Parsec: http://book.realworldhaskell.org/read/using-parsec.html http://book.realworldhaskell.org/read/using-parsec.html