Resolve #943: Export KeyMap.mapWithKey

Author: phadej

changelog.md

@@ -4,7 +4,8 @@ For the latest version of this document, please see [https://github.com/haskell/
 
 - Change time instances of types with year (`Day`, `UTCTime`) to require years with at least 4 digits.
 - Change `KeyValue` instances to be more general (and use equality to constraint them) instead of being more lax flexible instances.
-- Export `Key` type also from `Data.Aeson.KeyMap` module
+- Export `Key` type also from `Data.Aeson.KeyMap` module.
+- Export `mapWithKey` from `Data.Aeson.KeyMap` module.
 
 ### 2.0.3.0
 

src/Data/Aeson/KeyMap.hs

@@ -65,6 +65,7 @@ module Data.Aeson.KeyMap (
     -- * Traversal
     -- ** Map
     map,
+    mapWithKey,
     mapKeyVal,
     traverse,
     traverseWithKey,
@@ -194,6 +195,8 @@ map :: (a -> b) -> KeyMap a -> KeyMap b
 map = fmap
 
 -- | Map a function over all values in the map.
+--
+-- @since 2.1.0.0
 mapWithKey :: (Key -> a -> b) -> KeyMap a -> KeyMap b
 mapWithKey f (KeyMap m) = KeyMap (M.mapWithKey f m)
 
@@ -395,6 +398,8 @@ map :: (a -> b) -> KeyMap a -> KeyMap b
 map = fmap
 
 -- | Map a function over all values in the map.
+--
+-- @since 2.1.0.0
 mapWithKey :: (Key -> a -> b) -> KeyMap a -> KeyMap b
 mapWithKey f (KeyMap m) = KeyMap (H.mapWithKey f m)