Safe Haskell | None |
---|---|
Language | Haskell98 |
Data.Align.Key
Description
These
-based zipping and unzipping of indexed functors.
- class (Keyed f, Align f) => AlignWithKey f where
Documentation
class (Keyed f, Align f) => AlignWithKey f where #
Keyed version of Align
.
Methods
alignWithKey :: (Key f -> These a b -> c) -> f a -> f b -> f c #
Analogous to
, but also provides an index.alignWith
Instances
AlignWithKey [] # | |
AlignWithKey Maybe # | |
AlignWithKey IntMap # | |
AlignWithKey Seq # | |
AlignWithKey Vector # | |
(Eq k, Hashable k) => AlignWithKey (HashMap k) # | |
Ord k => AlignWithKey (Map k) # | |