fakerouter.rs

#[derive(PartialEq)]
enum Methods {
    ALL,
    GET,
    HEAD,
    POST,
    PUT,
    DELETE,
    CONNECT,
    OPTIONS,
    TRACE,
    PATCH,
}

impl std::ops::BitOr for Methods {
    type Output = usize;

    fn bitor(self, rhs: Self) -> Self::Output {
        use Methods::*;

        if self == ALL || rhs == ALL {
            return 0;
        }

        let lo = match self {
            GET => 1 << 0,
            HEAD => 1 << 1,
            POST => 1 << 2,
            PUT => 1 << 3,
            DELETE => 1 << 4,
            CONNECT => 1 << 5,
            OPTIONS => 1 << 6,
            TRACE => 1 << 7,
            PATCH => 1 << 8,
            ALL => unreachable!(),
        };

        let ro = match rhs {
            GET => 1 << 0,
            HEAD => 1 << 1,
            POST => 1 << 2,
            PUT => 1 << 3,
            DELETE => 1 << 4,
            CONNECT => 1 << 5,
            OPTIONS => 1 << 6,
            TRACE => 1 << 7,
            PATCH => 1 << 8,
            ALL => unreachable!(),
        };

        lo | ro
    }
}

fn main() {
    println!("Hello, {}!", Methods::GET | Methods::POST);
}