Lens.Simple
type LensLike f a a' b b'
type LensLike' f a b
type FoldLike r a a' b b'
type FoldLike' r a b
type ASetter a a' b b'
type ASetter' a b
class Phantom f
data Constant a b
data Identity a
data AlongsideLeft f b a
data AlongsideRight f a b
data Zooming m c a
class Applicative f
class Foldable t
class Monoid a
data Backwards f a
data All
data Any
data First a
data Last a
data Sum a
data Product a
data StateT s m a
type Writer w