Reviews For Payless ShoeSource Customer Service (5) bad manager at 567...warrenton, or Over heard a store manager at 567 repremand an employee for not showing me a shoe... really not needed.
Haskell is most likely quite different from any language you've ever used before. Compared to the usual set of concepts in a programmer's mental toolbox, functional programming offers us a profoundly different way to think about software. In Haskell, we de-emphasise code that modifies data.
In languages which support first-class functions, map may be partially applied to lift a function that works on only one value to an element-wise equivalent that works on an entire container; for example, map square is a Haskell function which squares each element of a list.