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Queried for: map  About map

Definition:
1. function. 2. In functional programming, the most common higher-order function over lists. Map applies its first argument to each element of its second argument (a list) and returns the list of results. map :: (a -> b) -> [a] -> [b] map f [] = [] map f (x:xs) = f x : map f xs This can be generalised to types other than lists.