map

Technology Dictionary -> map

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map

map

Technology Dictionary -> map

Search:

map



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.

(1997-11-05)