Data.Tuple

The tuple data types, and associated functions.

Documentation

fst :: (a, b) -> a

Extract the first component of a pair.

snd :: (a, b) -> b

Extract the second component of a pair.

curry :: ((a, b) -> c) -> a -> b -> c

curry converts an uncurried function to a curried function.

uncurry :: (a -> b -> c) -> (a, b) -> c

uncurry converts a curried function to a function on pairs.

swap :: (a, b) -> (b, a)

Swap the components of a pair.