// use actix_web::{get, web, Result}; use serde::Deserialize; #[derive(Deserialize)] struct Info { user_id: u32, friend: String, } /// extract path info using serde #[get("/users/{user_id}/{friend}")] // <- define path parameters async fn index(info: web::Path) -> Result { Ok(format!( "Welcome {}, user_id {}!", info.friend, info.user_id )) } #[actix_web::main] async fn main() -> std::io::Result<()> { use actix_web::{App, HttpServer}; HttpServer::new(|| App::new().service(index)) .bind(("127.0.0.1", 8080))? .run() .await } //