Safe Haskell	None
Language	Haskell2010

HsPat

Synopsis

Documentation

data Pat id Source #

Pattern

AnnKeywordId : AnnBang

Constructors

WildPat (PostTc id Type)	Wildcard Pattern The sole reason for a type on a WildPat is to support hsPatType :: Pat Id -> Type
VarPat (Located id)	Variable Pattern
LazyPat (LPat id)	Lazy Pattern ^ - `AnnKeywordId` : `AnnTilde`
AsPat (Located id) (LPat id)	As pattern ^ - `AnnKeywordId` : `AnnAt`
ParPat (LPat id)	Parenthesised pattern See Note [Parens in HsSyn] in HsExpr ^ - `AnnKeywordId` : `AnnOpen` `'('`, `AnnClose` `')'`
BangPat (LPat id)	Bang pattern ^ - `AnnKeywordId` : `AnnBang`
ListPat [LPat id] (PostTc id Type) (Maybe (PostTc id Type, SyntaxExpr id))	Syntactic List `AnnKeywordId` : `AnnOpen` `'['`, `AnnClose` `']'`
TuplePat [LPat id] Boxity [PostTc id Type]	Tuple sub-patterns `AnnKeywordId` : `AnnOpen` `'('` or `'(#'`, `AnnClose` `')'` or `'#)'`
SumPat (LPat id) ConTag Arity (PostTc id [Type])	Anonymous sum pattern `AnnKeywordId` : `AnnOpen` `'(#'`, `AnnClose` `'#)'`
PArrPat [LPat id] (PostTc id Type)	`AnnKeywordId` : `AnnOpen` `'[:'`, `AnnClose` `':]'`
ConPatIn (Located id) (HsConPatDetails id)	Constructor Pattern In
ConPatOut	Constructor Pattern Out
Fields pat_con :: Located ConLike pat_arg_tys :: [Type] pat_tvs :: [TyVar] pat_dicts :: [EvVar] pat_binds :: TcEvBinds pat_args :: HsConPatDetails id pat_wrap :: HsWrapper
ViewPat (LHsExpr id) (LPat id) (PostTc id Type)	View Pattern
SplicePat (HsSplice id)	Splice Pattern (Includes quasi-quotes)
LitPat HsLit	Literal Pattern Used for non-overloaded literal patterns: Int, Int, Char, String, etc.
NPat (Located (HsOverLit id)) (Maybe (SyntaxExpr id)) (SyntaxExpr id) (PostTc id Type)	Natural Pattern `AnnKeywordId` : `AnnVal` `+`
NPlusKPat (Located id) (Located (HsOverLit id)) (HsOverLit id) (SyntaxExpr id) (SyntaxExpr id) (PostTc id Type)	n+k pattern
SigPatIn (LPat id) (LHsSigWcType id)	Pattern with a type signature
SigPatOut (LPat id) Type	Pattern with a type signature
CoPat HsWrapper (Pat id) Type	Coercion Pattern

Instances

DataId id => Data (Pat id) #
Methods gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> Pat id -> c (Pat id) Source # gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c (Pat id) Source # toConstr :: Pat id -> Constr Source # dataTypeOf :: Pat id -> DataType Source # dataCast1 :: Typeable (* -> ) t => (forall d. Data d => c (t d)) -> Maybe (c (Pat id)) Source # dataCast2 :: Typeable ( -> * -> *) t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c (Pat id)) Source # gmapT :: (forall b. Data b => b -> b) -> Pat id -> Pat id Source # gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> Pat id -> r Source # gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> Pat id -> r Source # gmapQ :: (forall d. Data d => d -> u) -> Pat id -> [u] Source # gmapQi :: Int -> (forall d. Data d => d -> u) -> Pat id -> u Source # gmapM :: Monad m => (forall d. Data d => d -> m d) -> Pat id -> m (Pat id) Source # gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> Pat id -> m (Pat id) Source # gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> Pat id -> m (Pat id) Source #
OutputableBndrId name => Outputable (Pat name) #
Methods ppr :: Pat name -> SDoc Source # pprPrec :: Rational -> Pat name -> SDoc Source #

type InPat id = LPat id Source #

type OutPat id = LPat id Source #

type LPat id = Located (Pat id) Source #

type HsConPatDetails id = HsConDetails (LPat id) (HsRecFields id (LPat id)) Source #

Haskell Constructor Pattern Details

hsConPatArgs :: HsConPatDetails id -> [LPat id] Source #

data HsRecFields id arg Source #

Haskell Record Fields

HsRecFields is used only for patterns and expressions (not data type declarations)

Constructors

HsRecFields
Fields rec_flds :: [LHsRecField id arg] rec_dotdot :: Maybe Int

Instances

Functor (HsRecFields id) #
Methods fmap :: (a -> b) -> HsRecFields id a -> HsRecFields id b Source # (<$) :: a -> HsRecFields id b -> HsRecFields id a Source #
Foldable (HsRecFields id) #
Methods fold :: Monoid m => HsRecFields id m -> m Source # foldMap :: Monoid m => (a -> m) -> HsRecFields id a -> m Source # foldr :: (a -> b -> b) -> b -> HsRecFields id a -> b Source # foldr' :: (a -> b -> b) -> b -> HsRecFields id a -> b Source # foldl :: (b -> a -> b) -> b -> HsRecFields id a -> b Source # foldl' :: (b -> a -> b) -> b -> HsRecFields id a -> b Source # foldr1 :: (a -> a -> a) -> HsRecFields id a -> a Source # foldl1 :: (a -> a -> a) -> HsRecFields id a -> a Source # toList :: HsRecFields id a -> [a] Source # null :: HsRecFields id a -> Bool Source # length :: HsRecFields id a -> Int Source # elem :: Eq a => a -> HsRecFields id a -> Bool Source # maximum :: Ord a => HsRecFields id a -> a Source # minimum :: Ord a => HsRecFields id a -> a Source # sum :: Num a => HsRecFields id a -> a Source # product :: Num a => HsRecFields id a -> a Source #
Traversable (HsRecFields id) #
Methods traverse :: Applicative f => (a -> f b) -> HsRecFields id a -> f (HsRecFields id b) Source # sequenceA :: Applicative f => HsRecFields id (f a) -> f (HsRecFields id a) Source # mapM :: Monad m => (a -> m b) -> HsRecFields id a -> m (HsRecFields id b) Source # sequence :: Monad m => HsRecFields id (m a) -> m (HsRecFields id a) Source #
(DataId id, Data arg) => Data (HsRecFields id arg) #
Methods gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> HsRecFields id arg -> c (HsRecFields id arg) Source # gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c (HsRecFields id arg) Source # toConstr :: HsRecFields id arg -> Constr Source # dataTypeOf :: HsRecFields id arg -> DataType Source # dataCast1 :: Typeable (* -> ) t => (forall d. Data d => c (t d)) -> Maybe (c (HsRecFields id arg)) Source # dataCast2 :: Typeable ( -> * -> *) t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c (HsRecFields id arg)) Source # gmapT :: (forall b. Data b => b -> b) -> HsRecFields id arg -> HsRecFields id arg Source # gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> HsRecFields id arg -> r Source # gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> HsRecFields id arg -> r Source # gmapQ :: (forall d. Data d => d -> u) -> HsRecFields id arg -> [u] Source # gmapQi :: Int -> (forall d. Data d => d -> u) -> HsRecFields id arg -> u Source # gmapM :: Monad m => (forall d. Data d => d -> m d) -> HsRecFields id arg -> m (HsRecFields id arg) Source # gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> HsRecFields id arg -> m (HsRecFields id arg) Source # gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> HsRecFields id arg -> m (HsRecFields id arg) Source #
Outputable arg => Outputable (HsRecFields id arg) #
Methods ppr :: HsRecFields id arg -> SDoc Source # pprPrec :: Rational -> HsRecFields id arg -> SDoc Source #

data HsRecField' id arg Source #

Haskell Record Field

AnnKeywordId : AnnEqual,

For details on above see note [Api annotations] in ApiAnnotation

Constructors

HsRecField
Fields hsRecFieldLbl :: Located id hsRecFieldArg :: arg Filled in by renamer when punning hsRecPun :: Bool Note [Punning]

Instances

Functor (HsRecField' id) #
Methods fmap :: (a -> b) -> HsRecField' id a -> HsRecField' id b Source # (<$) :: a -> HsRecField' id b -> HsRecField' id a Source #
Foldable (HsRecField' id) #
Methods fold :: Monoid m => HsRecField' id m -> m Source # foldMap :: Monoid m => (a -> m) -> HsRecField' id a -> m Source # foldr :: (a -> b -> b) -> b -> HsRecField' id a -> b Source # foldr' :: (a -> b -> b) -> b -> HsRecField' id a -> b Source # foldl :: (b -> a -> b) -> b -> HsRecField' id a -> b Source # foldl' :: (b -> a -> b) -> b -> HsRecField' id a -> b Source # foldr1 :: (a -> a -> a) -> HsRecField' id a -> a Source # foldl1 :: (a -> a -> a) -> HsRecField' id a -> a Source # toList :: HsRecField' id a -> [a] Source # null :: HsRecField' id a -> Bool Source # length :: HsRecField' id a -> Int Source # elem :: Eq a => a -> HsRecField' id a -> Bool Source # maximum :: Ord a => HsRecField' id a -> a Source # minimum :: Ord a => HsRecField' id a -> a Source # sum :: Num a => HsRecField' id a -> a Source # product :: Num a => HsRecField' id a -> a Source #
Traversable (HsRecField' id) #
Methods traverse :: Applicative f => (a -> f b) -> HsRecField' id a -> f (HsRecField' id b) Source # sequenceA :: Applicative f => HsRecField' id (f a) -> f (HsRecField' id a) Source # mapM :: Monad m => (a -> m b) -> HsRecField' id a -> m (HsRecField' id b) Source # sequence :: Monad m => HsRecField' id (m a) -> m (HsRecField' id a) Source #
(Data arg, Data id) => Data (HsRecField' id arg) #
Methods gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> HsRecField' id arg -> c (HsRecField' id arg) Source # gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c (HsRecField' id arg) Source # toConstr :: HsRecField' id arg -> Constr Source # dataTypeOf :: HsRecField' id arg -> DataType Source # dataCast1 :: Typeable (* -> ) t => (forall d. Data d => c (t d)) -> Maybe (c (HsRecField' id arg)) Source # dataCast2 :: Typeable ( -> * -> *) t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c (HsRecField' id arg)) Source # gmapT :: (forall b. Data b => b -> b) -> HsRecField' id arg -> HsRecField' id arg Source # gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> HsRecField' id arg -> r Source # gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> HsRecField' id arg -> r Source # gmapQ :: (forall d. Data d => d -> u) -> HsRecField' id arg -> [u] Source # gmapQi :: Int -> (forall d. Data d => d -> u) -> HsRecField' id arg -> u Source # gmapM :: Monad m => (forall d. Data d => d -> m d) -> HsRecField' id arg -> m (HsRecField' id arg) Source # gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> HsRecField' id arg -> m (HsRecField' id arg) Source # gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> HsRecField' id arg -> m (HsRecField' id arg) Source #
(Outputable id, Outputable arg) => Outputable (HsRecField' id arg) #
Methods ppr :: HsRecField' id arg -> SDoc Source # pprPrec :: Rational -> HsRecField' id arg -> SDoc Source #