syb-with-class-0.3: Scrap Your Boilerplate With Class Contents Index

Data.Generics.SYB.WithClass.Basics

Synopsis

module Data.Typeable module Data.Generics.SYB.WithClass.Context data Proxy class (Typeable a, Sat (ctx a)) => Data ctx a where gfoldl :: Proxy ctx -> (forall b c . Data ctx b => w (b -> c) -> b -> w c) -> (forall g . g -> w g) -> a -> w a gunfold :: Proxy ctx -> (forall b r . Data ctx b => c (b -> r) -> c r) -> (forall r . r -> c r) -> Constr -> c a toConstr :: Proxy ctx -> a -> Constr dataTypeOf :: Proxy ctx -> a -> DataType dataCast1 :: Typeable1 t => Proxy ctx -> (forall b . Data ctx b => w (t b)) -> Maybe (w a) dataCast2 :: Typeable2 t => Proxy ctx -> (forall b c . (Data ctx b, Data ctx c) => w (t b c)) -> Maybe (w a) type GenericT ctx = forall a . Data ctx a => a -> a gmapT :: Proxy ctx -> GenericT ctx -> GenericT ctx newtype ID x = ID { unID :: x } type GenericM m ctx = forall a . Data ctx a => a -> m a gmapM :: Monad m => Proxy ctx -> GenericM m ctx -> GenericM m ctx type GenericQ ctx r = forall a . Data ctx a => a -> r gmapQ :: Proxy ctx -> GenericQ ctx r -> GenericQ ctx [r] gmapQr :: Data ctx a => Proxy ctx -> (r' -> r -> r) -> r -> GenericQ ctx r' -> a -> r newtype Qr r a = Qr { unQr :: (r -> r) } fromConstr :: Data ctx a => Proxy ctx -> Constr -> a fromConstrB :: Data ctx a => Proxy ctx -> (forall b . Data ctx b => b) -> Constr -> a fromConstrM :: (Monad m, Data ctx a) => Proxy ctx -> (forall b . Data ctx b => m b) -> Constr -> m a data DataType = DataType { tycon :: String datarep :: DataRep } data Constr = Constr { conrep :: ConstrRep constring :: String confields :: [String] confixity :: Fixity datatype :: DataType } data DataRep = AlgRep [Constr] | IntRep | FloatRep | StringRep | NoRep data ConstrRep = AlgConstr ConIndex | IntConstr Integer | FloatConstr Double | StringConstr String type ConIndex = Int data Fixity = Prefix | Infix dataTypeName :: DataType -> String dataTypeRep :: DataType -> DataRep constrType :: Constr -> DataType constrRep :: Constr -> ConstrRep repConstr :: DataType -> ConstrRep -> Constr mkDataType :: String -> [Constr] -> DataType mkConstr :: DataType -> String -> [String] -> Fixity -> Constr dataTypeConstrs :: DataType -> [Constr] constrFields :: Constr -> [String] constrFixity :: Constr -> Fixity showConstr :: Constr -> String readConstr :: DataType -> String -> Maybe Constr isAlgType :: DataType -> Bool indexConstr :: DataType -> ConIndex -> Constr constrIndex :: Constr -> ConIndex maxConstrIndex :: DataType -> ConIndex mkIntType :: String -> DataType mkFloatType :: String -> DataType mkStringType :: String -> DataType mkPrimType :: DataRep -> String -> DataType mkPrimCon :: DataType -> String -> ConstrRep -> Constr mkIntConstr :: DataType -> Integer -> Constr mkFloatConstr :: DataType -> Double -> Constr mkStringConstr :: DataType -> String -> Constr mkNorepType :: String -> DataType isNorepType :: DataType -> Bool

Documentation

module Data.Typeable

module Data.Generics.SYB.WithClass.Context

data Proxy

class (Typeable a, Sat (ctx a)) => Data ctx a where

Methods gfoldl :: Proxy ctx -> (forall b c . Data ctx b => w (b -> c) -> b -> w c) -> (forall g . g -> w g) -> a -> w a gunfold :: Proxy ctx -> (forall b r . Data ctx b => c (b -> r) -> c r) -> (forall r . r -> c r) -> Constr -> c a toConstr :: Proxy ctx -> a -> Constr dataTypeOf :: Proxy ctx -> a -> DataType dataCast1 :: Typeable1 t => Proxy ctx -> (forall b . Data ctx b => w (t b)) -> Maybe (w a) Mediate types and unary type constructors dataCast2 :: Typeable2 t => Proxy ctx -> (forall b c . (Data ctx b, Data ctx c) => w (t b c)) -> Maybe (w a) Mediate types and binary type constructors Instances Sat (ctx Bool) => Data ctx Bool Sat (ctx Char) => Data ctx Char Sat (ctx DataType) => Data ctx DataType Sat (ctx Double) => Data ctx Double Sat (ctx Float) => Data ctx Float Sat (ctx Handle) => Data ctx Handle Sat (ctx Int) => Data ctx Int Sat (ctx Int16) => Data ctx Int16 Sat (ctx Int32) => Data ctx Int32 Sat (ctx Int64) => Data ctx Int64 Sat (ctx Int8) => Data ctx Int8 Sat (ctx Integer) => Data ctx Integer Sat (ctx Ordering) => Data ctx Ordering Sat (ctx TyCon) => Data ctx TyCon Sat (ctx TypeRep) => Data ctx TypeRep Sat (ctx Word) => Data ctx Word Sat (ctx Word16) => Data ctx Word16 Sat (ctx Word32) => Data ctx Word32 Sat (ctx Word64) => Data ctx Word64 Sat (ctx Word8) => Data ctx Word8 Sat (ctx ()) => Data ctx () (Sat (ctx (a, b)), Data ctx a, Data ctx b) => Data ctx (a, b) (Sat (ctx (a, b, c)), Data ctx a, Data ctx b, Data ctx c) => Data ctx (a, b, c) (Sat (ctx (a, b, c, d)), Data ctx a, Data ctx b, Data ctx c, Data ctx d) => Data ctx (a, b, c, d) (Sat (ctx (a, b, c, d, e)), Data ctx a, Data ctx b, Data ctx c, Data ctx d, Data ctx e) => Data ctx (a, b, c, d, e) (Sat (ctx (a, b, c, d, e, f)), Data ctx a, Data ctx b, Data ctx c, Data ctx d, Data ctx e, Data ctx f) => Data ctx (a, b, c, d, e, f) (Sat (ctx (a, b, c, d, e, f, g)), Data ctx a, Data ctx b, Data ctx c, Data ctx d, Data ctx e, Data ctx f, Data ctx g) => Data ctx (a, b, c, d, e, f, g) (Sat (ctx (a -> b)), Data ctx a, Data ctx b) => Data ctx (a -> b) (Sat (ctx (ForeignPtr a)), Typeable a) => Data ctx (ForeignPtr a) (Sat (ctx (IO a)), Typeable a) => Data ctx (IO a) (Sat (ctx (IORef a)), Typeable a) => Data ctx (IORef a) (Sat (ctx (MVar a)), Typeable a) => Data ctx (MVar a) (Sat (ctx (Maybe a)), Data ctx a) => Data ctx (Maybe a) (Sat (ctx (Ptr a)), Typeable a) => Data ctx (Ptr a) (Sat (ctx (Ratio a)), Data ctx a, Integral a) => Data ctx (Ratio a) (Sat (ctx (StablePtr a)), Typeable a) => Data ctx (StablePtr a) (Sat (ctx [a]), Data ctx a) => Data ctx [a] (Sat (ctx [b]), Sat (ctx (Array a b)), Typeable a, Data ctx b, Data ctx [b], Ix a) => Data ctx (Array a b) (Sat (ctx (Either a b)), Data ctx a, Data ctx b) => Data ctx (Either a b) (Sat (ctx (ST s a)), Typeable s, Typeable a) => Data ctx (ST s a)

type GenericT ctx = forall a . Data ctx a => a -> a

gmapT :: Proxy ctx -> GenericT ctx -> GenericT ctx

newtype ID x

Constructors ID unID :: x

type GenericM m ctx = forall a . Data ctx a => a -> m a

gmapM :: Monad m => Proxy ctx -> GenericM m ctx -> GenericM m ctx

type GenericQ ctx r = forall a . Data ctx a => a -> r

gmapQ :: Proxy ctx -> GenericQ ctx r -> GenericQ ctx [r]

gmapQr :: Data ctx a => Proxy ctx -> (r' -> r -> r) -> r -> GenericQ ctx r' -> a -> r

newtype Qr r a

Constructors Qr unQr :: (r -> r)

fromConstr :: Data ctx a => Proxy ctx -> Constr -> a

Build a term skeleton

fromConstrB :: Data ctx a => Proxy ctx -> (forall b . Data ctx b => b) -> Constr -> a

Build a term and use a generic function for subterms

fromConstrM :: (Monad m, Data ctx a) => Proxy ctx -> (forall b . Data ctx b => m b) -> Constr -> m a

Monadic variation on "fromConstrB"

data DataType

Representation of datatypes. | A package of constructor representations with names of type and module. | The list of constructors could be an array, a balanced tree, or others. Constructors DataType tycon :: String datarep :: DataRep Instances Show DataType Sat (ctx DataType) => Data ctx DataType

data Constr

Representation of constructors Constructors Constr conrep :: ConstrRep constring :: String confields :: [String] confixity :: Fixity datatype :: DataType Instances Eq Constr Show Constr

data DataRep

Public representation of datatypes Constructors AlgRep [Constr] IntRep FloatRep StringRep NoRep Instances Eq DataRep Show DataRep

data ConstrRep

Public representation of constructors Constructors AlgConstr ConIndex IntConstr Integer FloatConstr Double StringConstr String Instances Eq ConstrRep Show ConstrRep

type ConIndex = Int

Unique index for datatype constructors. | Textual order is respected. Starts at 1.

data Fixity

Fixity of constructors Constructors Prefix Infix Instances Eq Fixity Show Fixity

dataTypeName :: DataType -> String

Gets the type constructor including the module

dataTypeRep :: DataType -> DataRep

Gets the public presentation of datatypes

constrType :: Constr -> DataType

Gets the datatype of a constructor

constrRep :: Constr -> ConstrRep

Gets the public presentation of constructors

repConstr :: DataType -> ConstrRep -> Constr

Look up a constructor by its representation

mkDataType :: String -> [Constr] -> DataType

Constructs an algebraic datatype

mkConstr :: DataType -> String -> [String] -> Fixity -> Constr

Constructs a constructor

dataTypeConstrs :: DataType -> [Constr]

Gets the constructors

constrFields :: Constr -> [String]

Gets the field labels of a constructor

constrFixity :: Constr -> Fixity

Gets the fixity of a constructor

showConstr :: Constr -> String

Gets the string for a constructor

readConstr :: DataType -> String -> Maybe Constr

Lookup a constructor via a string

isAlgType :: DataType -> Bool

Test for an algebraic type

indexConstr :: DataType -> ConIndex -> Constr

Gets the constructor for an index

constrIndex :: Constr -> ConIndex

Gets the index of a constructor

maxConstrIndex :: DataType -> ConIndex

Gets the maximum constructor index

mkIntType :: String -> DataType

Constructs the Int type

mkFloatType :: String -> DataType

Constructs the Float type

mkStringType :: String -> DataType

Constructs the String type

mkPrimType :: DataRep -> String -> DataType

Helper for mkIntType, mkFloatType, mkStringType

mkPrimCon :: DataType -> String -> ConstrRep -> Constr

mkIntConstr :: DataType -> Integer -> Constr

mkFloatConstr :: DataType -> Double -> Constr

mkStringConstr :: DataType -> String -> Constr

mkNorepType :: String -> DataType

Constructs a non-representation

isNorepType :: DataType -> Bool

Test for a non-representable type

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