update example to use actix 0.4

examples/diesel/src/db.rs

@@ -27,9 +27,9 @@ impl Actor for DbExecutor {
 }
 
 impl Handler<CreateUser> for DbExecutor {
-    fn handle(&mut self, msg: CreateUser, _: &mut Self::Context)
-              -> Response<Self, CreateUser>
-    {
+    type Result = MessageResult<CreateUser>;
+
+    fn handle(&mut self, msg: CreateUser, _: &mut Self::Context) -> Self::Result {
         use self::schema::users::dsl::*;
 
         let uuid = format!("{}", uuid::Uuid::new_v4());
@@ -48,6 +48,6 @@ impl Handler<CreateUser> for DbExecutor {
             .load::<models::User>(&self.0)
             .expect("Error loading person");
 
-        Self::reply(items.pop().unwrap())
+        Ok(items.pop().unwrap())
     }
 }

examples/diesel/src/main.rs

@@ -18,8 +18,6 @@ extern crate env_logger;
 
 use actix::*;
 use actix_web::*;
-use actix::prelude::*;
-#[cfg(unix)]
 use actix::actors::signal::{ProcessSignals, Subscribe};
 
 use diesel::prelude::*;
@@ -72,9 +70,8 @@ fn main() {
         .start();
 
     // Subscribe to unix signals
-    #[cfg(unix)]
-    { let signals = actix::Arbiter::system_registry().get::<ProcessSignals>();
-      signals.send(Subscribe(_addr.subscriber())); }
+    let signals = actix::Arbiter::system_registry().get::<ProcessSignals>();
+    signals.send(Subscribe(_addr.subscriber()));
 
     println!("Started http server: 127.0.0.1:8080");
     let _ = sys.run();