pub trait BadgeExt: 'static {
fn child(&self) -> Option<Widget>;
fn set_child(&self, value: Option<&impl IsA<Widget>>);
fn label(&self) -> Option<GString>;
fn set_label(&self, value: Option<&str>);
fn connect_child_notify<F: Fn(&Self) + 'static>(
&self,
f: F
) -> SignalHandlerId;
fn connect_label_notify<F: Fn(&Self) + 'static>(
&self,
f: F
) -> SignalHandlerId;
}