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:: Ord a => [a] -> [a] -package:ghc -package:statistics is:exact -package:base-prelude -package:Cabal -package:errors -package:basement -package:containers package:witherable
ordNub
:: (Witherable t, Ord a) => t a -> t a
witherable
Data.Witherable
Witherable
Removes duplicate elements from a list, keeping only the first occurrence. This is asymptotically faster than using
nub
from
Data.List
.
>>> ordNub [3,2,1,3,2,1] [3,2,1]
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