map -package:Cabal -package:base -package:text -package:bytestring -package:blaze-html -package:unordered-containers is:exact -package:base-compat -package:vector package:rio
O(n) map f xs is the ByteString obtained by
applying
f to each element of
xs.
Transform this map by applying a function to every value.
Transform this set by applying a function to every value.
The resulting set may be smaller than the source.
>>> HashSet.map show (HashSet.fromList [1,2,3])
HashSet.fromList ["1","2","3"]
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 (+1) [1, 2, 3]
O(n). Map a function over all values in the map.
map (++ "x") (fromList [(5,"a"), (3,"b")]) == fromList [(3, "bx"), (5, "ax")]
O(n*log n).
map f s is the set obtained by
applying
f to each element of
s.
It's worth noting that the size of the result may be smaller if, for
some
(x,y),
x /= y && f x == f y
O(n) map f t is the
Text
obtained by applying
f to each element of
t.
Example:
>>> let message = pack "I am not angry. Not at all."
>>> T.map (\c -> if c == '.' then '!' else c) message
"I am not angry! Not at all!"
Subject to fusion. Performs replacement on invalid scalar values.
O(n) map f t is the
Text
obtained by applying
f to each element of
t. Subject
to fusion. Performs replacement on invalid scalar values.
O(n) Map a function over a vector
O(n) Map a function over a vector
O(n) Map a function over a vector
O(n) Map a function over a vector