On Tue, Jul 02, 2002 at 06:34:02PM +0100, Alastair Reid wrote: > > > Firstly, some ncurses calls return a *WINDOW and others take one as > > an argument but you never actually look at the contents of one > > yourself. I have defined "data Window = Window" and am using Ptr > > Window for the types of these. However, this means I get a warning > > about an unused constructor. Is there a better way to do this? > > Hugs supports: > > data Window > > and I believe GHC and NHC do too. (Malcolm, SimonM: please shout if I > overstate.)
I'd rather stick to H'98+FFI where possible. > > Secondly, does anyone have any suggestions on how to provide an > > interface to this? > > > void getyx(WINDOW *win, int y, int x); > > > The getyx macro places the current cursor position of the given > > window in the two integer variables y and x. > > > The type would probably ideally be "Ptr Window -> IO (CInt, CInt)". [snip] Thanks to you both for your input - I think I'll go with Sven's two element array. Ian _______________________________________________ FFI mailing list [EMAIL PROTECTED] http://www.haskell.org/mailman/listinfo/ffi
