Introduction - If you have any usage issues, please Google them yourself
Haskell is a programming language. In particular, it is polymorphic type, lazy, pure functional languages, and most other programming language is different. The language was named Haskell Brooks Curry. It is based on mathematical logic-based language function, based on the lambda calculus. Why use Haskell? One can write the large software systems is very difficult and very expensive. Maintaining the system even more difficult and expensive. Functional programming languages, such as Haskell, to make it simple and cheap. Haskell annex to the compiler source code