#![feature(plugin)] #![plugin(rocket_codegen)] extern crate rocket; use rocket::{Error, Request}; #[error(404)] fn err0() -> &'static str { "hi" } #[error(404)] fn err1a(_err: Error) -> &'static str { "hi" } #[error(404)] fn err1b(_req: &Request) -> &'static str { "hi" } #[error(404)] fn err2(_err: Error, _req: &Request) -> &'static str { "hi" } fn main() { rocket::ignite() .catch(errors![err0, err1a, err1b, err2]); }