How does one use pass by reference functions using the ffi?
alastair at reid-consulting-uk.ltd.uk
Sun Jan 25 10:04:50 EST 2004
> Say I have a function somewhere in c land with the following declaration:
> void doStuff( int &a, int &b);
> What would the appropriate Haskell wrapper for this function look like?
> I'm looking to construct a haskell function of the type:
The following (untested) Greencard code ought to do the trick.
%fun doStuff :: Int -> Int -> IO (Int,Int)
More information about the FFI