use rok::{App, Request};
#[tokio::main]
async fn main() {
let mut app = App::new();
app.get("/ping", |_| async { "pong" });
app.get("/hello/:echo", |req: Request| async move {
let echo: String = req.get_param("echo").unwrap_or_default();
format!("Hello, {}!", echo)
});
let port = ":8080";
println!("start web server,listening {}", port);
app.run("127.0.0.1".to_string() + port).await.unwrap();
}