GHC.Generics
- data V1 p
- data U1 p = U1
- newtype Par1 p = Par1 {
- unPar1 :: p
- newtype Rec1 f p = Rec1 {
- unRec1 :: f p
- newtype K1 i c p = K1 {
- unK1 :: c
- newtype M1 i c f p = M1 {
- unM1 :: f p
- data (f :+: g) p
- data (f :*: g) p = (f p) :*: (g p)
- newtype (f :.: g) p = Comp1 {
- unComp1 :: f (g p)
- type Rec0 = K1 R
- type Par0 = K1 P
- data R
- data P
- type D1 = M1 D
- type C1 = M1 C
- type S1 = M1 S
- data D
- data C
- data S
- class Datatype d where
- datatypeName :: t d (f :: * -> *) a -> [Char]
- moduleName :: t d (f :: * -> *) a -> [Char]
- class Constructor c where
- class Selector s where
- data NoSelector
- data Fixity
- = Prefix
- | Infix Associativity Int
- data Associativity
- data Arity
- prec :: Fixity -> Int
- class Generic a where
- class Generic1 f where
Generic representation types
Used for marking occurrences of the parameter
Constants, additional parameters and recursion of kind *
Meta-information (constructor names, etc.)
Products: encode multiple arguments to constructors
Constructors
| (f p) :*: (g p) |
Synonyms for convenience
Meta-information
Class for datatypes that represent datatypes
Methods
datatypeName :: t d (f :: * -> *) a -> [Char]Source
The name of the datatype (unqualified)
moduleName :: t d (f :: * -> *) a -> [Char]Source
The fully-qualified name of the module where the type is declared
class Constructor c whereSource
Class for datatypes that represent data constructors
Methods
conName :: t c (f :: * -> *) a -> [Char]Source
The name of the constructor
conFixity :: t c (f :: * -> *) a -> FixitySource
The fixity of the constructor
conIsRecord :: t c (f :: * -> *) a -> BoolSource
Marks if this constructor is a record
Instances
| Constructor C1_0() | |
| Constructor C1_0Ordering | |
| Constructor C1_1Ordering | |
| Constructor C1_2Ordering | |
| Constructor C1_0(,,,,,,) | |
| Constructor C1_0(,,,,,) | |
| Constructor C1_0(,,,,) | |
| Constructor C1_0(,,,) | |
| Constructor C1_0(,,) | |
| Constructor C1_0(,) | |
| Constructor C1_0[] | |
| Constructor C1_1[] | |
| Constructor C1_0Bool | |
| Constructor C1_1Bool | |
| Constructor C_Char | |
| Constructor C_Double | |
| Constructor C_Float | |
| Constructor C_Int |
Class for datatypes that represent records
Instances
Datatype to represent the fixity of a constructor. An infix
| declaration directly corresponds to an application of Infix.
Constructors
| Prefix | |
| Infix Associativity Int |
data Associativity Source
Datatype to represent the associativy of a constructor
Constructors
| LeftAssociative | |
| RightAssociative | |
| NotAssociative |
Generic type classes
Representable types of kind *. This class is derivable in GHC with the XDeriveRepresentable flag on.
Methods
Convert from the datatype to its representation
Convert from the representation to the datatype
Representable types of kind * -> * (not yet derivable)