From: Henning T. <sch...@he...> - 2014-09-14 15:52:29
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Am 02.09.2014 um 09:25 schrieb Vivian McPhail: > I've tried using pointers (Ptr a) but (DC a) and (Gtk.DrawWindow) aren't > members of `Storable`. I don't think there is any restriction to the type of the pointer target. Does GHC expect, that DC is Storable when you use an argument of type Ptr (DC a)? |