Method add_button

src/lib.rs:301–303

Adds another shutdown button to this handle. This button will then also be pressed, whenever the handle is shut down or dropped.

(&mut self, button: ShutdownButton<CapabilitySet<T>>)

    /// then also be pressed, whenever the handle is shut down or
    /// dropped.
    pub fn add_button<T: Timestamp>(&mut self, button: ShutdownButton<CapabilitySet<T>>) {
        self.shutdown_buttons.push(Box::new(button));
    }

    /// Combines the buttons of another handle into self.
    pub fn merge_with(&mut self, mut other: Self) {