Data.Yall.Lens

data Lens w m a b

Simple API

Pure lenses

type :->

Partial lenses

type :~>

Monadic API

class Lenses l m

type LensM

Monadic variants

data LensLift w m a b

data LensJoin m a b

data LensW w a b

Composing Lenses

Lenses from Isomorphisms

Convenience operators