Safe Haskell	None
Language	Haskell2010

PatSyn

Contents

Main data types
- Type deconstruction

Synopsis

Main data types

data PatSyn Source

A pattern synonym See Note [Pattern synonym representation] See Note [Patten synonym signatures]

Instances

Eq PatSyn
Methods (==) :: PatSyn -> PatSyn -> Bool (/=) :: PatSyn -> PatSyn -> Bool
Data PatSyn
Methods gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> PatSyn -> c PatSyn Source gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c PatSyn Source toConstr :: PatSyn -> Constr Source dataTypeOf :: PatSyn -> DataType Source dataCast1 :: Typeable (TYPE Lifted -> TYPE Lifted) t => (forall d. Data d => c (t d)) -> Maybe (c PatSyn) Source dataCast2 :: Typeable (TYPE Lifted -> TYPE Lifted -> TYPE Lifted) t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c PatSyn) Source gmapT :: (forall b. Data b => b -> b) -> PatSyn -> PatSyn Source gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> PatSyn -> r Source gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> PatSyn -> r Source gmapQ :: (forall d. Data d => d -> u) -> PatSyn -> [u] Source gmapQi :: Int -> (forall d. Data d => d -> u) -> PatSyn -> u Source gmapM :: Monad m => (forall d. Data d => d -> m d) -> PatSyn -> m PatSyn Source gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> PatSyn -> m PatSyn Source gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> PatSyn -> m PatSyn Source
Ord PatSyn
Methods compare :: PatSyn -> PatSyn -> Ordering (<) :: PatSyn -> PatSyn -> Bool (<=) :: PatSyn -> PatSyn -> Bool (>) :: PatSyn -> PatSyn -> Bool (>=) :: PatSyn -> PatSyn -> Bool max :: PatSyn -> PatSyn -> PatSyn min :: PatSyn -> PatSyn -> PatSyn
OutputableBndr PatSyn
Methods pprBndr :: BindingSite -> PatSyn -> SDoc Source pprPrefixOcc :: PatSyn -> SDoc Source pprInfixOcc :: PatSyn -> SDoc Source
Outputable PatSyn
Methods ppr :: PatSyn -> SDoc Source pprPrec :: Rational -> PatSyn -> SDoc Source
Uniquable PatSyn
Methods getUnique :: PatSyn -> Unique Source
NamedThing PatSyn
Methods getOccName :: PatSyn -> OccName Source getName :: PatSyn -> Name Source

mkPatSyn Source

Arguments

:: Name
-> Bool	Is the pattern synonym declared infix?
-> ([TyVar], ThetaType)	Universially-quantified type variables and required dicts
-> ([TyVar], ThetaType)	Existentially-quantified type variables and provided dicts
-> [Type]	Original arguments
-> Type	Original result type
-> (Id, Bool)	Name of matcher
-> Maybe (Id, Bool)	Name of builder
-> [FieldLabel]	Names of fields for a record pattern synonym
-> PatSyn