use objc2::foundation::NSObject; use objc2::{extern_class, ClassType}; use super::{NSControl, NSResponder, NSView}; extern_class!( #[derive(Debug, PartialEq, Eq, Hash)] pub(crate) struct NSButton; unsafe impl ClassType for NSButton { #[inherits(NSView, NSResponder, NSObject)] type Super = NSControl; } );