Safe Haskell	Safe-Inferred
Language	Haskell2010

TypeFamilies

Description

Doc for: module TypeFamilies

Synopsis

data X
- = X
- | XX
- | XXX
data Y
data Z
- = ZA
- | ZB
class Test a
type family Foo a :: k
data family Bat (a :: k) :: *
class Assoc a where
- data AssocD a :: *
- type AssocT a :: *
type family Bar b where ...
type family (a :: k) <> (b :: k) :: k
class (a :: k) >< (b :: k)

Documentation

data X #

Doc for: data X

Constructors

X	Doc for: X
XX	Doc for: XX
XXX	Doc for: XXX

Instances

Instances details

Assoc X #	Doc for: instance Assoc X
Instance details Defined in TypeFamilies Associated Types data AssocD X # type AssocT X #
Test X #	Doc for: instance Test X
Instance details Defined in TypeFamilies
'XX >< 'XXX #
Instance details Defined in TypeFamilies
type Foo X #	External instance
Instance details Defined in TypeFamilies type Foo X = Y
data AssocD X #
Instance details Defined in TypeFamilies data AssocD X = AssocX
type AssocT X #
Instance details Defined in TypeFamilies type AssocT X = Foo X :: Type
data Bat X #	Doc for: data instance Bat X
Instance details Defined in TypeFamilies data Bat X = BatX X \| BatXX { aaa :: X bbb :: Y }
type Foo X #	Doc for: type instance Foo X = Y
Instance details Defined in TypeFamilies type Foo X = Y
type X <> (a :: Type) #
Instance details Defined in TypeFamilies type X <> (a :: Type) = X
type 'XXX <> 'XX #
Instance details Defined in TypeFamilies type 'XXX <> 'XX = 'X

data Y #

Doc for: data Y

Instances

Instances details

Assoc Y #	Doc for: instance Assoc Y
Instance details Defined in TypeFamilies Associated Types data AssocD Y # type AssocT Y #
Test Y #	Doc for: instance Test Y
Instance details Defined in TypeFamilies
data Bar Y #
Instance details Defined in TypeFamilies data Bar Y
data AssocD Y #
Instance details Defined in TypeFamilies data AssocD Y = AssocY
type AssocT Y #
Instance details Defined in TypeFamilies type AssocT Y = Bat Y
data Bat Y #	Doc for: data instance Bat Y
Instance details Defined in TypeFamilies data Bat Y = BatY Y
type Foo Y #	Doc for: type instance Foo Y = X
Instance details Defined in TypeFamilies type Foo Y = X
type Y <> (a :: Type) #
Instance details Defined in TypeFamilies type Y <> (a :: Type) = a

data Z #

Doc for: data Z

Constructors

ZA
ZB

Instances

Instances details

data Bat (z :: Z) #	Doc for: data instance Bat Z
Instance details Defined in TypeFamilies data Bat (z :: Z) where BatZ1 :: Z -> Bat 'ZA BatZ2 :: {..} -> Bat 'ZB

class Test a #

Doc for: class Test a

Instances

Instances details

Test Y #	Doc for: instance Test Y
Instance details Defined in TypeFamilies
Test X #	Doc for: instance Test X
Instance details Defined in TypeFamilies

type family Foo a :: k #

Doc for: type family Foo a

Instances

Instances details

type Foo Y #	Doc for: type instance Foo Y = X
Instance details Defined in TypeFamilies type Foo Y = X
type Foo X #	Doc for: type instance Foo X = Y
Instance details Defined in TypeFamilies type Foo X = Y

data family Bat (a :: k) :: * #

Doc for: data family Bat a

Instances

Instances details

data Bat (z :: Z) #	Doc for: data instance Bat Z
Instance details Defined in TypeFamilies data Bat (z :: Z) where BatZ1 :: Z -> Bat 'ZA BatZ2 :: {..} -> Bat 'ZB
data Bat Y #	Doc for: data instance Bat Y
Instance details Defined in TypeFamilies data Bat Y = BatY Y
data Bat X #	Doc for: data instance Bat X
Instance details Defined in TypeFamilies data Bat X = BatX X \| BatXX { aaa :: X bbb :: Y }

class Assoc a #

Doc for: class Assoc a

Associated Types

data AssocD a :: * #

Doc for: data AssocD a

type AssocT a :: * #

Doc for: type AssocT a

Instances

Instances details

Assoc Y #	Doc for: instance Assoc Y
Instance details Defined in TypeFamilies Associated Types data AssocD Y # type AssocT Y #
Assoc X #	Doc for: instance Assoc X
Instance details Defined in TypeFamilies Associated Types data AssocD X # type AssocT X #

type family Bar b where ... #

Doc for: type family Bar b

Equations

Bar X = X
Bar y = Y

type family (a :: k) <> (b :: k) :: k #

Instances

Instances details

type Y <> (a :: Type) #
Instance details Defined in TypeFamilies type Y <> (a :: Type) = a
type X <> (a :: Type) #
Instance details Defined in TypeFamilies type X <> (a :: Type) = X
type 'XXX <> 'XX #
Instance details Defined in TypeFamilies type 'XXX <> 'XX = 'X

class (a :: k) >< (b :: k) #

Instances

Instances details

'XX >< 'XXX #
Instance details Defined in TypeFamilies