enum WebEvent {
    PageLoad,
    KeyPress(char),
    Click { x: i64, y: i64 },
}
 
fn inspect(event: WebEvent) {
    match event {
        WebEvent::PageLoad => println!("page loaded"),
        WebEvent::KeyPress(c) => println!("pressed '{}'", c),
        WebEvent::Click { x, y } => println!("clicked at {}, {}", x, y),
    }
}