greencard-3.0.2: GreenCard, a foreign function pre-processor for Haskell. Source code Contents Index

Foreign.GreenCard

Synopsis

module Foreign module Foreign.C type MbString = Maybe String marshall_bool_ :: Bool -> IO Int unmarshall_bool_ :: Int -> IO Bool marshall_string_ :: [Char] -> IO CString unmarshall_string_ :: CString -> IO String marshall_stringLen_ :: [Char] -> IO CStringLen unmarshall_stringLen_ :: CString -> Int -> IO String data Float data Double data Char

Documentation

module Foreign

module Foreign.C

type MbString = Maybe String Source

marshall_bool_ :: Bool -> IO Int Source

unmarshall_bool_ :: Int -> IO Bool Source

marshall_string_ :: [Char] -> IO CString Source

unmarshall_string_ :: CString -> IO String Source

marshall_stringLen_ :: [Char] -> IO CStringLen Source

unmarshall_stringLen_ :: CString -> Int -> IO String Source

data Float Source

Single-precision floating point numbers. It is desirable that this type be at least equal in range and precision to the IEEE single-precision type. Instances Enum Float Eq Float Floating Float Fractional Float Num Float Ord Float Real Float RealFloat Float RealFrac Float Show Float

data Double Source

Double-precision floating point numbers. It is desirable that this type be at least equal in range and precision to the IEEE double-precision type. Instances Enum Double Eq Double Floating Double Fractional Double Num Double Ord Double Real Double RealFloat Double RealFrac Double Show Double

data Char Source

Instances Eq Char Ord Char

Produced by Haddock version 2.6.0