Method drop

canvas/src/canvas.rs:180–197

(&mut self)

impl Drop for Canvas {
    fn drop(&mut self) {
        // The streams drop if this is the last canvas with this core
        self.core.sync(|core| {
            if core.main_core.finish_usage() == 0 {
                // Close all the streams and then wake them up
                core.streams.drain(..)
                    .map(|stream| {
                        if let Some(stream) = stream.upgrade() {
                            stream.sync(|stream| { stream.close(); stream.take_waker() })
                        } else {
                            None
                        }
                    })
                    .flatten()
                    .for_each(|waker| waker.wake());
            }
        });
    }
}

///