gtk/accel.go
func AccelGroupFromClosure(f interface{}) *AccelGroup {
	closure, _ := glib.ClosureNew(f)
	cl := (*C.struct__GClosure)(unsafe.Pointer(closure))
	c := C.gtk_accel_group_from_accel_closure(cl)
	if c == nil {
		return nil
	}
	return wrapAccelGroup(glib.Take(unsafe.Pointer(c)))
}
func AccelGroupFromClosure(f interface{}) *AccelGroup {
	closure, _ := glib.ClosureNew(f)
	cl := (*C.struct__GClosure)(unsafe.Pointer(closure))
	c := C.gtk_accel_group_from_accel_closure(cl)
	if c == nil {
		return nil
	}
	return wrapAccelGroup(glib.Take(unsafe.Pointer(c)))
}
// AccelGroupFromClosure is a wrapper around gtk_accel_group_from_accel_closure().