Trait WidgetCallbackFn 

pub trait WidgetCallbackFn<T: Widget> {
    // Required method
    fn handle(
        &mut self,
        widget: &mut T,
        context: &mut Context<T>,
    ) -> Result<(), Error>;
}

Required Methods

fn handle( &mut self, widget: &mut T, context: &mut Context<T>, ) -> Result<(), Error>

Implementors