| Copyright | (c) Russell O'Connor 2009 |
|---|---|
| License | BSD-style (see the file LICENSE) |
| Maintainer | libraries@haskell.org |
| Stability | experimental |
| Portability | portable |
| Safe Haskell | Safe |
| Language | Haskell98 |
Data.Functor.Reverse
Description
Making functors whose elements are notionally in the reverse order from the original functor.
- newtype Reverse f a = Reverse {
- getReverse :: f a
Documentation
The same functor, but with Foldable and Traversable instances
that process the elements in the reverse order.
Constructors
| Reverse | |
Fields
| |
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. |
| Show1 f => Show1 (Reverse f) | |
| Read1 f => Read1 (Reverse f) | |
| Ord1 f => Ord1 (Reverse f) | |
| Eq1 f => Eq1 (Reverse f) | |
| (Eq1 f, Eq a) => Eq (Reverse f a) | |
| (Ord1 f, Ord a) => Ord (Reverse f a) | |
| (Read1 f, Read a) => Read (Reverse f a) | |
| (Show1 f, Show a) => Show (Reverse f a) |