Control.Reference.Types
type Simple t s a
type Getter r s t a b
type Setter w s t a b
type Iso s t a b
type Prism s t a b
type Lens s t a b
type RefPlus s t a b
type Partial s t a b
type Traversal s t a b
IO
class IOMonads w r
type IOLens s t a b
type IOPartial s t a b
type IOTraversal s t a b
StateT
type StateLens st m s t a b
type StatePartial st m s t a b
type StateTraversal st m s t a b
WriterT
type WriterLens st m s t a b
type WriterPartial st m s t a b
type WriterTraversal st m s t a b
ST
type STLens st s t a b
type STPartial st s t a b
type STTraversal st s t a b
class MorphControl m1 m2