extern crate iron; extern crate mount; use iron::{Iron, Request, Response, IronResult}; use iron::status; use mount::{Mount, OriginalUrl}; fn level_two(req: &mut Request) -> IronResult { match req.extensions.get::() { Some(url) => println!("Original URL: {}", url), None => println!("Error: No original URL found.") } Ok(Response::with((status::Ok, "Welcome to Level 2."))) } fn main() { let mut first = Mount::new(); let mut second = Mount::new(); second.mount("/leveltwo/", level_two); first.mount("/levelone/", second); Iron::new(first).http("localhost:3000").unwrap(); }