tweak docs

actix-identity/src/lib.rs

@@ -7,7 +7,7 @@
 //!
 //! To access current request identity, use the [`Identity`] extractor.
 //!
-//! ```no_run
+//! ```
 //! use actix_web::*;
 //! use actix_identity::{Identity, CookieIdentityPolicy, IdentityService};
 //!
@@ -23,33 +23,30 @@
 //!
 //! #[post("/login")]
 //! async fn login(id: Identity) -> HttpResponse {
-//!     id.remember("User1".to_owned()); // <- remember identity
+//!     // remember identity
+//!     id.remember("User1".to_owned());
 //!     HttpResponse::Ok().finish()
 //! }
 //!
 //! #[post("/logout")]
 //! async fn logout(id: Identity) -> HttpResponse {
-//!     id.forget();                      // <- remove identity
+//!     // remove identity
+//!     id.forget();
 //!     HttpResponse::Ok().finish()
 //! }
 //!
-//! #[actix_web::main]
-//! async fn main() -> std::io::Result<()> {
-//!     HttpServer::new(move || {
-//!         // create cookie identity backend
-//!         let policy = CookieIdentityPolicy::new(&[0; 32])
-//!             .name("auth-cookie")
-//!             .secure(false);
+//! HttpServer::new(move || {
+//!     // create cookie identity backend (inside closure, since policy is not Clone)
+//!     let policy = CookieIdentityPolicy::new(&[0; 32])
+//!         .name("auth-cookie")
+//!         .secure(false);
 //!
-//!         App::new()
-//!             // wrap policy into middleware identity middleware
-//!             .wrap(IdentityService::new(policy))
-//!             .service(services![index, login, logout])
-//!     })
-//!     .bind(("0.0.0.0", 8080u16))?
-//!     .run()
-//!     .await
-//! }
+//!     App::new()
+//!         // wrap policy into middleware identity middleware
+//!         .wrap(IdentityService::new(policy))
+//!         .service(services![index, login, logout])
+//! })
+//! # ;
 //! ```
 
 #![deny(rust_2018_idioms, nonstandard_style)]