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