Safe Haskell	Safe
Language	Haskell98

FreeType.Exception.Internal

Synopsis

Documentation

An internal function for throwing FtErrors

class AutoError a b where Source #

Methods

    autoError name f = a b c ... ->
      ftError name $ f a b c ...

Instances

AutoError (b -> c) (b -> d) => AutoError (a -> b -> c) (a -> b -> d) Source #
Instance details Defined in FreeType.Exception.Internal Methods autoError :: String -> (a -> b -> c) -> a -> b -> d Source #
AutoError (a -> IO FT_Error) (a -> IO ()) Source #
Instance details Defined in FreeType.Exception.Internal Methods autoError :: String -> (a -> IO FT_Error) -> a -> IO () Source #

Methods

    autoAllocaError name f = a b c ->
      alloca $ ptr -> do
        ftError name $ f a b c ... ptr
        peek ptr

Instances

Storable a => AutoAllocaError (Ptr a -> IO FT_Error) (IO a) Source #
Instance details Defined in FreeType.Exception.Internal Methods autoAllocaError :: String -> (Ptr a -> IO FT_Error) -> IO a Source #
AutoAllocaError (b -> c) (b -> d) => AutoAllocaError (a -> b -> c) (a -> b -> d) Source #
Instance details Defined in FreeType.Exception.Internal Methods autoAllocaError :: String -> (a -> b -> c) -> a -> b -> d Source #
Storable b => AutoAllocaError (a -> Ptr b -> IO FT_Error) (a -> IO b) Source #
Instance details Defined in FreeType.Exception.Internal Methods autoAllocaError :: String -> (a -> Ptr b -> IO FT_Error) -> a -> IO b Source #