Function main

1472-design-browser-history.rs:44–56

()

}

fn main() {
    let mut obj = BrowserHistory::new("leetcode.com".to_string());
    obj.visit("google.com".to_string());
    obj.visit("facebook.com".to_string());
    obj.visit("youtube.com".to_string());
    println!("{:?}", obj.back(1));
    println!("{:?}", obj.back(1));
    println!("{:?}", obj.forward(1));
    obj.visit("linkedin.com".to_string());
    println!("{:?}", obj.forward(2)); // linkedin
    println!("{:?}", obj.back(2));
    println!("{:?}", obj.back(7));
}