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use glib::subclass::prelude::*; use super::bin::BinImpl; use BinClass; use EventBoxClass; pub trait EventBoxImpl: BinImpl + 'static {} unsafe impl<T: ObjectSubclass + EventBoxImpl> IsSubclassable<T> for EventBoxClass { fn override_vfuncs(&mut self) { <BinClass as IsSubclassable<T>>::override_vfuncs(self); } }