use actix_web::{web, HttpRequest, Result};

// <path-three>
fn index(req: HttpRequest) -> Result<String> {
    let name: String = req.match_info().get("friend").unwrap().parse().unwrap();
    let userid: i32 = req.match_info().query("userid").parse().unwrap();

    Ok(format!("Welcome {}, userid {}!", name, userid))
}

pub fn main() {
    use actix_web::{App, HttpServer};

    HttpServer::new(|| {
        App::new().route(
            "/users/{userid}/{friend}", // <- define path parameters
            web::get().to(index),
        )
    })
    .bind("127.0.0.1:8088")
    .unwrap()
    .run()
    .unwrap();
}
// </path-three>