Function doh::util::parent_url

pub fn parent_url(u: &Url) -> Url

Get a URL that is canonically considered a "parent" to the specified one, or the specified URL if it is a root URL.

Examples

assert_eq!(parent_url(&"https://google.com/search/capitalism/".parse().unwrap()),
           "https://google.com/search".parse().unwrap());
assert_eq!(parent_url(&"https://google.com/search".parse().unwrap()),
           "https://google.com".parse().unwrap());
assert_eq!(parent_url(&"https://google.com".parse().unwrap()),
           "https://google.com".parse().unwrap());