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| Module: | List |
|---|---|
| Function: | groupBy |
| Type: | (a -> a -> Bool) -> [a] -> [[a]] |
| Description: | similar to group, but it allows the programmers to supply their own equality test |
| Related: | group, inits, intersperse, mapAccumL, mapAccumR, nub, nubBy, partition, sort, sortBy, tails, transpose |
Input: groupBy (\x y -> (x*y `mod` 3) == 0) [1,2,3,4,5,6,7,8,9]
Output: [[1],[2,3],[4],[5,6],[7],[8,9]]