Re: C.Types

Marcin 'Qrczak' Kowalczyk <[email protected]> Mon, 06 Sep 2004 16:01:26 +0200

Newsgroups	gmane.comp.lang.haskell.ffi
Message-ID	<[email protected]>

"Daniel Müller" <[email protected]> writes:

> foreign import ccall calc :: CInt -> CInt -> CInt
>
> calculate :: Int -> Int -> CalcType
> calculate a b 
> | ...
> | ...
> | otherwise = calc a b
>
>
> Unfortunately I got an error. What shall I do?

Use fromIntegral to convert between CInt and Int, and something for
CalcType depending on what it is.

(It would help if you told *what* error, but I guessed.)

-- 
   __("<         Marcin Kowalczyk
   \__/       [email protected]
    ^^     http://qrnik.knm.org.pl/~qrczak/