removed a semicolon so that the method has a return value

actix_web_study/examples/greet_simple_example.rs

@@ -3,7 +3,7 @@ use actix_web::{web, App, HttpRequest, HttpServer, Responder};
 // example from zero to production in rust
 async fn greet(req: HttpRequest) -> impl Responder {
     let name = req.match_info().get("name").unwrap_or("World");
-    format!("Hello {}!", &name);
+    format!("Hello {}!", &name)
 }
 
 #[tokio::main]