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Module: List
Function: group
Type: Eq a => [a] -> [[a]]
Description: splits its list argument into a list of lists of equal, adjacent elements.
Related: groupBy, inits, intersperse, mapAccumL, mapAccumR, nub, nubBy, partition, sort, sortBy, tails, transpose

Example 1

Input: group [1,2,2,1,1,1,2,2,2,1]

Output: [[1],[2,2],[1,1,1],[2,2,2],[1]]

Example 2

Input: group "abbcdddeea"

Output: ["a","bb","c","ddd","ee","a"]