In general, functional languages prefer recursion, mapping, and folding to iteration; purely functional languages such as Haskell lack loop constructs entirely.

Functional programming has been around for the last 60 years, but so far it’s always been a niche phenomenon. Although game-changers like Google rely on its key concepts, the average programmer ...

Haskell is good at this because it’s a “ purely functional programming language.” In essence, you build programs around a series of functions, and each function can operate independently of ...

Don’t just take my word for it, though: Stack Exchange has an informative thread about functional programming with local mutable variables. Refactor #2: A pre-Java 8 functional Sort application ...

What are the best languages for getting into functional programming? This question was originally answered on Quora.

Haskell Programming Language Haskell is a purely functional programming language that is used to ensure reliability especially in such fields as finance or medicine.

You see, we don’t get functional programming by starting with an imperative language and cutting off its legs. A purely functional subset of Java or C or Python would be miserable little languages.