ToolShed.Data.Quadruple

AUTHOR

Dr. Alistair Ward

DESCRIPTION

Miscellaneous operations on quadruples.

CAVEAT

Import fully qualified, since some identifiers clash with Triple.

Functions

curry4 :: ((a, b, c, d) -> result) -> a -> b -> c -> d -> result

Extends the concept of curry.

uncurry4 :: (a -> b -> c -> d -> result) -> (a, b, c, d) -> result

Extends the concept of uncurry.

Accessors

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

Access the first datum from the specified quadruple.

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

Access the second datum from the specified quadruple.

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

Access the third datum from the specified quadruple.

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

Access the fourth datum from the specified quadruple.

Mutators

mutateFirst :: (a -> a') -> (a, b, c, d) -> (a', b, c, d)

Operate on first datum.

mutateSecond :: (b -> b') -> (a, b, c, d) -> (a, b', c, d)

Operate on second datum.

mutateThird :: (c -> c') -> (a, b, c, d) -> (a, b, c', d)

Operate on third datum.

mutateForth :: (d -> d') -> (a, b, c, d) -> (a, b, c, d')

Operate on third datum.