Grouping a list into lists of n elements in Haskell

Question

Is there an operation on lists in library that makes groups of n elements? For example: n=3

groupInto 3 [1,2,3,4,5,6,7,8,9] = [[1,2,3],[4,5,6],[7,8,9]]
         


        

Answer 1

This function, among other similar ones, can be found in the popular split package.

> import Data.List.Split
> chunksOf 3 [1,2,3,4,5,6,7,8,9]
[[1,2,3],[4,5,6],[7,8,9]]