Lens.Family.TH

Derive lenses for Lens.Family.

Example usage:

 {-# LANGUAGE TemplateHaskell -#}
 
 import Lens.Family
 import Lens.Family.TH
 
 data Foo a = Foo { _bar :: Int, _baz :: a }
            deriving (Show, Read, Eq, ord)
 $(mkLenses ''Foo)

Documentation

mkLenses :: Name -> Q [Dec]

Derive lenses for the record selectors in a single-constructor data declaration, or for the record selector in a newtype declaration.

mkLensesBy :: (String -> String) -> Name -> Q [Dec]

Derive lenses with the provided name transformation function.