map -is:exact -is:exact -is:exact package:base is:exact

map :: (a -> b) -> [a] -> [b]
base Prelude Data.List GHC.OldList
map f xs is the list obtained by applying f to each element of xs, i.e., 
map f [x1, x2, ..., xn] == [f x1, f x2, ..., f xn]
map f [x1, x2, ...] == [f x1, f x2, ...]
map :: (a -> b) -> NonEmpty a -> NonEmpty b
base Data.List.NonEmpty
Map a function over a NonEmpty stream.