Copyright	(c) 2008--2010 Universiteit Utrecht
License	BSD3
Maintainer	generics@haskell.org
Stability	experimental
Portability	non-portable
Safe Haskell	Safe
Language	Haskell2010

Generics.MultiRec.Eq

Contents

Generic equality

Description

Generic equality.

Synopsis

class HEq phi f where
- heq :: (forall ix. phi ix -> r ix -> r ix -> Bool) -> phi ix -> f r ix -> f r ix -> Bool
class Eq1 f where
- eq1 :: (a -> a -> Bool) -> f a -> f a -> Bool
eq :: (Fam phi, HEq phi (PF phi)) => phi ix -> ix -> ix -> Bool

Generic equality

class HEq phi f where Source #

Methods

heq :: (forall ix. phi ix -> r ix -> r ix -> Bool) -> phi ix -> f r ix -> f r ix -> Bool Source #

Instances

HEq phi U Source #
Instance details Defined in Generics.MultiRec.Eq Methods heq :: (forall ix. phi ix -> r ix -> r ix -> Bool) -> phi ix -> U r ix -> U r ix -> Bool Source #
Eq a => HEq phi (K a) Source #	For constant types, we make use of the standard equality function.
Instance details Defined in Generics.MultiRec.Eq Methods heq :: (forall ix. phi ix -> r ix -> r ix -> Bool) -> phi ix -> K a r ix -> K a r ix -> Bool Source #
El phi xi => HEq phi (I xi) Source #
Instance details Defined in Generics.MultiRec.Eq Methods heq :: (forall ix. phi ix -> r ix -> r ix -> Bool) -> phi ix -> I xi r ix -> I xi r ix -> Bool Source #
(Constructor c, HEq phi f) => HEq phi (C c f) Source #
Instance details Defined in Generics.MultiRec.Eq Methods heq :: (forall ix. phi ix -> r ix -> r ix -> Bool) -> phi ix -> C c f r ix -> C c f r ix -> Bool Source #
HEq phi f => HEq phi (f :>: ix) Source #
Instance details Defined in Generics.MultiRec.Eq Methods heq :: (forall ix0. phi ix0 -> r ix0 -> r ix0 -> Bool) -> phi ix1 -> (f :>: ix) r ix1 -> (f :>: ix) r ix1 -> Bool Source #
(Eq1 f, HEq phi g) => HEq phi (f :.: g) Source #
Instance details Defined in Generics.MultiRec.Eq Methods heq :: (forall ix. phi ix -> r ix -> r ix -> Bool) -> phi ix -> (f :.: g) r ix -> (f :.: g) r ix -> Bool Source #
(HEq phi f, HEq phi g) => HEq phi (f :*: g) Source #
Instance details Defined in Generics.MultiRec.Eq Methods heq :: (forall ix. phi ix -> r ix -> r ix -> Bool) -> phi ix -> (f :: g) r ix -> (f :: g) r ix -> Bool Source #
(HEq phi f, HEq phi g) => HEq phi (f :+: g) Source #
Instance details Defined in Generics.MultiRec.Eq Methods heq :: (forall ix. phi ix -> r ix -> r ix -> Bool) -> phi ix -> (f :+: g) r ix -> (f :+: g) r ix -> Bool Source #

class Eq1 f where Source #

Methods

eq1 :: (a -> a -> Bool) -> f a -> f a -> Bool Source #

Instances

Eq1 [] Source #
Instance details Defined in Generics.MultiRec.Eq Methods eq1 :: (a -> a -> Bool) -> [a] -> [a] -> Bool Source #
Eq1 Maybe Source #
Instance details Defined in Generics.MultiRec.Eq Methods eq1 :: (a -> a -> Bool) -> Maybe a -> Maybe a -> Bool Source #

eq :: (Fam phi, HEq phi (PF phi)) => phi ix -> ix -> ix -> Bool Source #