use actix_web::{get, web, App, HttpServer, Responder}; #[get("/hello/{name}")] async fn greet(name: web::Path<String>) -> impl Responder { format!("Hello {}!", name) } #[actix_web::main] async fn main() -> std::io::Result<()> { HttpServer::new(|| { App::new().service(greet) }) .bind(("127.0.0.1", 8080))? .run() .await }