transformers-0.3.0.0: Concrete functor and monad transformers

Portability	portable
Stability	experimental
Maintainer	libraries@haskell.org
Safe Haskell	Safe-Infered

Data.Functor.Reverse

Description

Making functors whose elements are notionally in the reverse order from the original functor.

Synopsis

newtype Reverse f a = Reverse {
- getReverse :: f a
}

Documentation

newtype Reverse f a Source

The same functor, but with Foldable and Traversable instances that process the elements in the reverse order.

Constructors

Fields

getReverse :: f a

Instances

Functor f => Functor (Reverse f)

Derived instance.

Applicative f => Applicative (Reverse f)

Derived instance.

Foldable f => Foldable (Reverse f)

Fold from right to left.

Traversable f => Traversable (Reverse f)

Traverse from right to left.

Alternative f => Alternative (Reverse f)

Derived instance.