Copyright	(C) 2020 Csongor Kiss
License	BSD3
Maintainer	Csongor Kiss <kiss.csongor.kiss@gmail.com>
Stability	experimental
Portability	non-portable
Safe Haskell	None
Language	Haskell2010

Data.Generics.Product.Param

Description

Derive traversals over type parameters

Documentation

newtype Rec p a (x :: k) #

Constructors

Rec (K1 R a x)

class HasParam (p :: Nat) s t a b | p t a -> s, p s b -> t, p s -> a, p t -> b where Source #

Methods

param :: Traversal s t a b Source #

Instances details

Context n s t a b => HasParam n s t a b Source #
Instance details Defined in Data.Generics.Product.Param Methods param :: Traversal s t a b Source #
HasParam p (Void1 a) (Void1 b) a b Source #
Instance details Defined in Data.Generics.Product.Param Methods param :: Traversal (Void1 a) (Void1 b) a b Source #

data family Param :: Nat -> j -> k #

Instances details

newtype Param n (a :: Type)
Instance details Defined in Data.Generics.Internal.GenericN newtype Param n (a :: Type) = StarParam { getStarParam :: a }