Foreign.C.Enum

Documentation

newtype CEnum a

Constructors

CEnum

Fields

• unCEnum :: CInt

Instances

(Enum a, Show a) => Show (CEnum a)

Defined in Foreign.C.Enum

Methods

showsPrec :: Int -> CEnum a -> ShowS

show :: CEnum a -> String

showList :: [CEnum a] -> ShowS

Storable (CEnum a)

Defined in Foreign.C.Enum

Methods

sizeOf :: CEnum a -> Int

alignment :: CEnum a -> Int

peekElemOff :: Ptr (CEnum a) -> Int -> IO (CEnum a)

pokeElemOff :: Ptr (CEnum a) -> Int -> CEnum a -> IO ()

peekByteOff :: Ptr b -> Int -> IO (CEnum a)

pokeByteOff :: Ptr b -> Int -> CEnum a -> IO ()

peek :: Ptr (CEnum a) -> IO (CEnum a)

poke :: Ptr (CEnum a) -> CEnum a -> IO ()

toCEnum :: Enum a => a -> CEnum a

fromCEnum :: Enum a => CEnum a -> a

type CErr err = Ptr (CEnum err)

callErrFun :: (Eq err, Enum err, Bounded err) => (CErr err -> IO r) -> IO (Either err r)