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| Module: | List |
|---|---|
| Function: | unionBy |
| Type: | (a -> a -> Bool) -> [a] -> [a] -> [a] |
| Description: | similar to union, but it allows the programmers to supply their own equality test |
| Related: | (\\), delete, deleteBy, intersect, intersectBy, union |
Input: unionBy (\x y -> x*3==y) [1,2,3,4] [4,6,9,10]
Output: [1,2,3,4,4,10]