// use actix_web::{get, web, App, HttpServer, Result}; use serde::Deserialize; #[derive(Deserialize)] struct Info { username: String, } // extract path info using serde #[get("/{username}/index.html")] // <- define path parameters async fn index(info: web::Path) -> Result { Ok(format!("Welcome {}!", info.username)) } #[actix_web::main] async fn main() -> std::io::Result<()> { HttpServer::new(|| App::new().service(index)) .bind(("127.0.0.1", 8080))? .run() .await } //