review application section

examples/application/Cargo.toml

@@ -7,3 +7,4 @@ workspace = "../"
 [dependencies]
 actix-web = "2.0"
 actix-rt = "1.0"
+actix-service = "1.0"

examples/application/src/app.rs

@@ -5,11 +5,15 @@ async fn index() -> impl Responder {
     "Hello world!"
 }
 
-#[rustfmt::skip]
 #[actix_rt::main]
 async fn main() {
-    App::new().service(
-        web::scope("/app")
-            .route("/index.html", web::get().to(index)));
+    HttpServer::new(|| {
+        App::new().service(
+            web::scope("/app").route("/index.html", web::get().to(index)),
+        )
+    })
+    .bind("127.0.0.1:8088")?
+    .run()
+    .await
 }
 // </setup>

examples/application/src/config_app.rs

@@ -0,0 +1,20 @@
+// <config>
+use actix_service::ServiceFactory;
+use actix_web::dev::{MessageBody, ServiceRequest, ServiceResponse};
+use actix_web::{web, App, Error, HttpResponse};
+
+fn create_app() -> App<
+    impl ServiceFactory<
+        Config = (),
+        Request = ServiceRequest,
+        Response = ServiceResponse<impl MessageBody>,
+        Error = Error,
+    >,
+    impl MessageBody,
+> {
+    App::new().service(
+        web::scope("/app")
+            .route("/index.html", web::get().to(|| HttpResponse::Ok())),
+    )
+}
+// </config>

examples/application/src/main.rs

@@ -3,20 +3,26 @@ use actix_web::{web, App, HttpResponse};
 pub mod app;
 pub mod combine;
 pub mod config;
+pub mod config_app;
 pub mod scope;
 pub mod state;
 pub mod vh;
 
-#[rustfmt::skip]
 // <multi>
-fn main() {
-    App::new()
-        .service(
-            web::scope("/app1")
-                .route("/", web::to(|| HttpResponse::Ok())))
-        .service(
-            web::scope("/app2")
-                .route("/", web::to(|| HttpResponse::Ok())))
-        .route("/", web::to(|| HttpResponse::Ok()));
+#[actix_rt::main]
+async fn main() {
+    HttpServer::new(|| {
+        App::new()
+            .service(
+                web::scope("/app1").route("/", web::to(|| HttpResponse::Ok())),
+            )
+            .service(
+                web::scope("/app2").route("/", web::to(|| HttpResponse::Ok())),
+            )
+            .route("/", web::to(|| HttpResponse::Ok()))
+    })
+    .bind("127.0.0.1:8088")?
+    .run()
+    .await
 }
 // </multi>

examples/application/src/state.rs

@@ -34,14 +34,15 @@ async fn _main() -> std::io::Result<()> {
         counter: Mutex::new(0),
     });
 
-    HttpServer::new(move || { // move counter into the closure
+    HttpServer::new(move || {
+        // move counter into the closure
         App::new()
             .app_data(counter.clone()) // <- register the created data
             .route("/", web::get().to(_index))
     })
-        .bind("127.0.0.1:8088")?
-        .run()
-        .await
+    .bind("127.0.0.1:8088")?
+    .run()
+    .await
 }
 // </make_app_mutable>