[Haskell-cafe] Problem with Gtk2hs
andrewcoppin at btinternet.com
Sun Dec 9 06:42:34 EST 2007
Stefan O'Rear wrote:
> On Sat, Dec 08, 2007 at 08:33:36PM +0000, Andrew Coppin wrote:
>> I just spent the evening writing a library that's a thin layer over Gtk2hs.
>> It took an age to get it to compile, but eventually it worked. Yay!
>> When I ran it, I got this:
>> Test2: gtk/Graphics/UI/Gtk/Gdk/PixbufData.hs.pp:58:0: No instance nor
>> default method for class operation Data.Array.Base.getNumElements
>> Er... wow.
>> OK, at this point, I am completely stumped. Any hints?
> That's pretty obviously a bug - Graphics.UI.Gtk.Gdk.PixbufData doesn't
> fully implement the (M)Array class.
Well OK, but... how come nobody else has tripped over this before?
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