Module Data.Tuple.Extra

Exported Functions

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

Apply a function to the first component of a tuple.

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

Apply a function to the second component of a tuple.

(***) :: (a -> b) -> (c -> d) -> (a, c) -> (b, d)   

Apply two functions to the two components of a tuple.

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

Apply two functions to a value and returns a tuple of the results.

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

Apply a function to both components of a tuple.