#![feature(plugin)] #![plugin(rocket_macros)] extern crate rocket; use rocket::Rocket; #[route(GET, path = "/hello//")] fn hello(name: &str, age: i8) -> String { format!("Hello, {} year old named {}!", age, name) } #[error(code = "404")] fn not_found() -> &'static str { "

Sorry pal.

Go to '/hello/<name>/<age>' instead.

" } fn main() { let mut rocket = Rocket::new("localhost", 8000); rocket.mount("/", routes![hello]); rocket.catch(errors![not_found]); rocket.launch(); }