orbtk_orbclient: document that channels are asynchronous
@@ -55,6 +55,7 @@ fn init_sync(
window: &orbclient::Window,
receiver: mpsc::Receiver<WindowRequest>,
) -> (mpsc::Receiver<WindowRequest>, thread::JoinHandle<()>) {
+ // channel: sends will never block, they are asynchronous
let (internal_sender, internal_receiver) = mpsc::channel();
let event_sender = window.event_sender();
