use actix_web::{App, get, HttpResponse, HttpServer, Responder};

#[actix_web::main]
async fn main() -> std::io::Result<()> {
    HttpServer::new(|| App::new().service(hello))
        .bind(("127.0.0.1", 8000))?
        .run()
        .await
}

#[get("/")]
async fn hello() -> impl Responder {
    HttpResponse::Ok().body("Hello World!")
}