haskell常用内置函数

Prelude.hs

Prelude.hs is the standard library which is loaded when you start Haskell, and it contains all the functions you have learned so far. Here's my pick of the most useful. Note that just knowing about these functions ain't gonna help you; knowing how to use them is the key! So, lots of practice is essential.

List processing basics
Extra list processing
Arithmetic
Higher Order Functions
Map, fold and filter are so powerful, they've been put on instead.

Tuples
Other functions
List processing basics

No examples needed here I hope :)

instead.

Tuples