ghc-9.0.0.20201227: The GHC API
Safe HaskellNone
LanguageHaskell2010

GHC.Types.FieldLabel

Synopsis

Documentation

type FieldLabelString = FastString Source #

Field labels are just represented as strings; they are not necessarily unique (even within a module)

type FieldLabelEnv = DFastStringEnv FieldLabel Source #

A map from labels to all the auxiliary information

data FieldLbl a Source #

Fields in an algebraic record type

Constructors

FieldLabel 

Fields

Instances

Instances details
Functor FieldLbl # 
Instance details

Defined in GHC.Types.FieldLabel

Methods

fmap :: (a -> b) -> FieldLbl a -> FieldLbl b Source #

(<$) :: a -> FieldLbl b -> FieldLbl a Source #

Foldable FieldLbl # 
Instance details

Defined in GHC.Types.FieldLabel

Methods

fold :: Monoid m => FieldLbl m -> m Source #

foldMap :: Monoid m => (a -> m) -> FieldLbl a -> m Source #

foldMap' :: Monoid m => (a -> m) -> FieldLbl a -> m Source #

foldr :: (a -> b -> b) -> b -> FieldLbl a -> b Source #

foldr' :: (a -> b -> b) -> b -> FieldLbl a -> b Source #

foldl :: (b -> a -> b) -> b -> FieldLbl a -> b Source #

foldl' :: (b -> a -> b) -> b -> FieldLbl a -> b Source #

foldr1 :: (a -> a -> a) -> FieldLbl a -> a Source #

foldl1 :: (a -> a -> a) -> FieldLbl a -> a Source #

toList :: FieldLbl a -> [a] Source #

null :: FieldLbl a -> Bool Source #

length :: FieldLbl a -> Int Source #

elem :: Eq a => a -> FieldLbl a -> Bool Source #

maximum :: Ord a => FieldLbl a -> a Source #

minimum :: Ord a => FieldLbl a -> a Source #

sum :: Num a => FieldLbl a -> a Source #

product :: Num a => FieldLbl a -> a Source #

Traversable FieldLbl # 
Instance details

Defined in GHC.Types.FieldLabel

Methods

traverse :: Applicative f => (a -> f b) -> FieldLbl a -> f (FieldLbl b) Source #

sequenceA :: Applicative f => FieldLbl (f a) -> f (FieldLbl a) Source #

mapM :: Monad m => (a -> m b) -> FieldLbl a -> m (FieldLbl b) Source #

sequence :: Monad m => FieldLbl (m a) -> m (FieldLbl a) Source #

Eq a => Eq (FieldLbl a) # 
Instance details

Defined in GHC.Types.FieldLabel

Methods

(==) :: FieldLbl a -> FieldLbl a -> Bool #

(/=) :: FieldLbl a -> FieldLbl a -> Bool #

Data a => Data (FieldLbl a) # 
Instance details

Defined in GHC.Types.FieldLabel

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> FieldLbl a -> c (FieldLbl a) Source #

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c (FieldLbl a) Source #

toConstr :: FieldLbl a -> Constr Source #

dataTypeOf :: FieldLbl a -> DataType Source #

dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c (FieldLbl a)) Source #

dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c (FieldLbl a)) Source #

gmapT :: (forall b. Data b => b -> b) -> FieldLbl a -> FieldLbl a Source #

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> FieldLbl a -> r Source #

gmapQr :: forall r r'. (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> FieldLbl a -> r Source #

gmapQ :: (forall d. Data d => d -> u) -> FieldLbl a -> [u] Source #

gmapQi :: Int -> (forall d. Data d => d -> u) -> FieldLbl a -> u Source #

gmapM :: Monad m => (forall d. Data d => d -> m d) -> FieldLbl a -> m (FieldLbl a) Source #

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> FieldLbl a -> m (FieldLbl a) Source #

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> FieldLbl a -> m (FieldLbl a) Source #

Outputable a => Outputable (FieldLbl a) # 
Instance details

Defined in GHC.Types.FieldLabel

Binary a => Binary (FieldLbl a) # 
Instance details

Defined in GHC.Types.FieldLabel

mkFieldLabelOccs :: FieldLabelString -> OccName -> Bool -> FieldLbl OccName Source #

Record selector OccNames are built from the underlying field name and the name of the first data constructor of the type, to support duplicate record field names. See Note [Why selector names include data constructors].