data-lens-ixset 0.1.3 → 0.1.4

raw patch · 2 files changed

+19/−10 lines, 2 filesPVP ok

version bump matches the API change (PVP)

API changes (from Hackage documentation)

Files

• Data/Lens/IxSet.hs +18/−9
• data-lens-ixset.cabal +1/−1

@@ -20,14 +20,23 @@ people\' = 'ixLens' (FirstName \"Simon\") '^%=' 'fmap' (lastName '^=' LastName \"Peyton-Jones\") '$' people @ +>>> people'+fromList [Person {_firstName = FirstName "Edward A.", _lastName = LastName "Kmett"}+         ,Person {_firstName = FirstName "Simon", _lastName = LastName "Peyton-Jones"}]+>>> (firstName ^$) <$> people' ^. ixLens (LastName "Peyton-Jones")+Just (FirstName "Simon")+>>> ixLens (LastName "Peyton-Jones") ^$ people+Nothing+ Perhaps more commonly you're working with an 'IxSet' from inside a state-monad such as with acid-state.  In that case usage is even easier:+monad such as @Update@ from the @acid-state@ package.  In that case usage+is even easier:  @ changeLastName = 'ixLens' (FirstName \"Simon\") '%=' 'fmap' (lastName '^=' LastName \"Peyton-Jones\") @ -Here's the missing boilerplate:+Here's the missing boilerplate, which also needs the packages @data-lens-fd@ and @data-lens-template@:  @ \{\-\# LANGUAGE DeriveDataTypeable \#\-\}@@ -39,17 +48,17 @@ import Data.Lens.IxSet import Data.Lens.Template +newtype FirstName = FirstName 'String'+  deriving ('Show', 'Eq', 'Ord', 'Data', 'Typeable')++newtype LastName = LastName 'String'+  deriving ('Show', 'Eq', 'Ord', 'Data', 'Typeable')+ data Person = Person { _firstName :: FirstName                      , _lastName  :: LastName                      } deriving ('Show', 'Eq', 'Ord', 'Data', 'Typeable') -mkLens ''Person--newtype FirstName = FirstName String-  deriving ('Show', 'Eq', 'Ord', 'Data', 'Typeable')--newtype LastName = LastName String-  deriving ('Show', 'Eq', 'Ord', 'Data', 'Typeable')+makeLens ''Person  instance 'Indexable' Person where   empty = 'ixSet' [ 'ixGen' ('Proxy' :: 'Proxy' FirstName)

@@ -1,5 +1,5 @@ Name          : data-lens-ixset-Version       : 0.1.3+Version       : 0.1.4 Synopsis      : A Lens for IxSet Description   : Integrates Data.IxSet with Data.Lens. Homepage      : https://github.com/dag/data-lens-ixset