cleanup deprecation warning for Box<dyn>

src/app_service.rs

@@ -23,7 +23,7 @@ type HttpService = BoxedService<ServiceRequest, ServiceResponse, Error>;
 type HttpNewService = BoxedNewService<(), ServiceRequest, ServiceResponse, Error, ()>;
 type BoxedResponse = Either<
     FutureResult<ServiceResponse, Error>,
-    Box<Future<Item = ServiceResponse, Error = Error>>,
+    Box<dyn Future<Item = ServiceResponse, Error = Error>>,
 >;
 type FnDataFactory = Box<Fn() -> Box<dyn Future<Item = Box<DataFactory>, Error = ()>>>;
 
@@ -297,14 +297,14 @@ impl NewService for AppRoutingFactory {
     }
 }
 
-type HttpServiceFut = Box<Future<Item = HttpService, Error = ()>>;
+type HttpServiceFut = Box<dyn Future<Item = HttpService, Error = ()>>;
 
 /// Create app service
 #[doc(hidden)]
 pub struct AppRoutingFactoryResponse {
     fut: Vec<CreateAppRoutingItem>,
     default: Option<HttpService>,
-    default_fut: Option<Box<Future<Item = HttpService, Error = ()>>>,
+    default_fut: Option<Box<dyn Future<Item = HttpService, Error = ()>>>,
 }
 
 enum CreateAppRoutingItem {

src/extract.rs

@@ -94,7 +94,7 @@ where
 {
     type Config = T::Config;
     type Error = Error;
-    type Future = Box<Future<Item = Option<T>, Error = Error>>;
+    type Future = Box<dyn Future<Item = Option<T>, Error = Error>>;
 
     #[inline]
     fn from_request(req: &HttpRequest, payload: &mut Payload) -> Self::Future {
@@ -165,7 +165,7 @@ where
 {
     type Config = T::Config;
     type Error = Error;
-    type Future = Box<Future<Item = Result<T, T::Error>, Error = Error>>;
+    type Future = Box<dyn Future<Item = Result<T, T::Error>, Error = Error>>;
 
     #[inline]
     fn from_request(req: &HttpRequest, payload: &mut Payload) -> Self::Future {

src/middleware/defaultheaders.rs

@@ -119,7 +119,7 @@ where
     type Request = ServiceRequest;
     type Response = ServiceResponse<B>;
     type Error = Error;
-    type Future = Box<Future<Item = Self::Response, Error = Self::Error>>;
+    type Future = Box<dyn Future<Item = Self::Response, Error = Self::Error>>;
 
     fn poll_ready(&mut self) -> Poll<(), Self::Error> {
         self.service.poll_ready()

src/middleware/errhandlers.rs

@@ -15,7 +15,7 @@ pub enum ErrorHandlerResponse<B> {
     /// New http response got generated
     Response(ServiceResponse<B>),
     /// Result is a future that resolves to a new http response
-    Future(Box<Future<Item = ServiceResponse<B>, Error = Error>>),
+    Future(Box<dyn Future<Item = ServiceResponse<B>, Error = Error>>),
 }
 
 type ErrorHandler<B> = Fn(ServiceResponse<B>) -> Result<ErrorHandlerResponse<B>>;
@@ -117,7 +117,7 @@ where
     type Request = ServiceRequest;
     type Response = ServiceResponse<B>;
     type Error = Error;
-    type Future = Box<Future<Item = Self::Response, Error = Self::Error>>;
+    type Future = Box<dyn Future<Item = Self::Response, Error = Self::Error>>;
 
     fn poll_ready(&mut self) -> Poll<(), Self::Error> {
         self.service.poll_ready()

src/resource.rs

@@ -245,7 +245,7 @@ where
     /// ```rust
     /// # use actix_web::*;
     /// # use futures::future::Future;
-    /// # fn index(req: HttpRequest) -> Box<Future<Item=HttpResponse, Error=Error>> {
+    /// # fn index(req: HttpRequest) -> Box<dyn Future<Item=HttpResponse, Error=Error>> {
     /// #     unimplemented!()
     /// # }
     /// App::new().service(web::resource("/").route(web::route().to_async(index)));
@@ -478,7 +478,7 @@ pub struct CreateResourceService {
     fut: Vec<CreateRouteServiceItem>,
     data: Option<Rc<Extensions>>,
     default: Option<HttpService>,
-    default_fut: Option<Box<Future<Item = HttpService, Error = ()>>>,
+    default_fut: Option<Box<dyn Future<Item = HttpService, Error = ()>>>,
 }
 
 impl Future for CreateResourceService {
@@ -542,7 +542,7 @@ impl Service for ResourceService {
     type Error = Error;
     type Future = Either<
         FutureResult<ServiceResponse, Error>,
-        Box<Future<Item = ServiceResponse, Error = Error>>,
+        Box<dyn Future<Item = ServiceResponse, Error = Error>>,
     >;
 
     fn poll_ready(&mut self) -> Poll<(), Self::Error> {

src/responder.rs

@@ -337,7 +337,7 @@ impl<T: Responder> Future for CustomResponderFut<T> {
 /// use actix_web::{Either, Error, HttpResponse};
 ///
 /// type RegisterResult =
-///     Either<HttpResponse, Box<Future<Item = HttpResponse, Error = Error>>>;
+///     Either<HttpResponse, Box<dyn Future<Item = HttpResponse, Error = Error>>>;
 ///
 /// fn index() -> RegisterResult {
 ///     if is_a_variant() {
@@ -411,13 +411,13 @@ where
     }
 }
 
-impl<I, E> Responder for Box<Future<Item = I, Error = E>>
+impl<I, E> Responder for Box<dyn Future<Item = I, Error = E>>
 where
     I: Responder + 'static,
     E: Into<Error> + 'static,
 {
     type Error = Error;
-    type Future = Box<Future<Item = Response, Error = Error>>;
+    type Future = Box<dyn Future<Item = Response, Error = Error>>;
 
     #[inline]
     fn respond_to(self, req: &HttpRequest) -> Self::Future {

src/route.rs

@@ -19,7 +19,7 @@ type BoxedRouteService<Req, Res> = Box<
         Error = Error,
         Future = Either<
             FutureResult<Res, Error>,
-            Box<Future<Item = Res, Error = Error>>,
+            Box<dyn Future<Item = Res, Error = Error>>,
         >,
     >,
 >;
@@ -32,7 +32,7 @@ type BoxedRouteNewService<Req, Res> = Box<
         Error = Error,
         InitError = (),
         Service = BoxedRouteService<Req, Res>,
-        Future = Box<Future<Item = BoxedRouteService<Req, Res>, Error = ()>>,
+        Future = Box<dyn Future<Item = BoxedRouteService<Req, Res>, Error = ()>>,
     >,
 >;
 
@@ -78,8 +78,9 @@ impl NewService for Route {
     }
 }
 
-type RouteFuture =
-    Box<Future<Item = BoxedRouteService<ServiceRequest, ServiceResponse>, Error = ()>>;
+type RouteFuture = Box<
+    dyn Future<Item = BoxedRouteService<ServiceRequest, ServiceResponse>, Error = ()>,
+>;
 
 pub struct CreateRouteService {
     fut: RouteFuture,
@@ -123,7 +124,7 @@ impl Service for RouteService {
     type Error = Error;
     type Future = Either<
         FutureResult<Self::Response, Self::Error>,
-        Box<Future<Item = Self::Response, Error = Self::Error>>,
+        Box<dyn Future<Item = Self::Response, Error = Self::Error>>,
     >;
 
     fn poll_ready(&mut self) -> Poll<(), Self::Error> {
@@ -317,7 +318,7 @@ where
     type Error = Error;
     type InitError = ();
     type Service = BoxedRouteService<ServiceRequest, Self::Response>;
-    type Future = Box<Future<Item = Self::Service, Error = Self::InitError>>;
+    type Future = Box<dyn Future<Item = Self::Service, Error = Self::InitError>>;
 
     fn new_service(&self, _: &()) -> Self::Future {
         Box::new(
@@ -351,7 +352,7 @@ where
     type Error = Error;
     type Future = Either<
         FutureResult<Self::Response, Self::Error>,
-        Box<Future<Item = Self::Response, Error = Self::Error>>,
+        Box<dyn Future<Item = Self::Response, Error = Self::Error>>,
     >;
 
     fn poll_ready(&mut self) -> Poll<(), Self::Error> {

src/scope.rs

@@ -28,7 +28,7 @@ type HttpService = BoxedService<ServiceRequest, ServiceResponse, Error>;
 type HttpNewService = BoxedNewService<(), ServiceRequest, ServiceResponse, Error, ()>;
 type BoxedResponse = Either<
     FutureResult<ServiceResponse, Error>,
-    Box<Future<Item = ServiceResponse, Error = Error>>,
+    Box<dyn Future<Item = ServiceResponse, Error = Error>>,
 >;
 
 /// Resources scope.
@@ -503,10 +503,10 @@ pub struct ScopeFactoryResponse {
     fut: Vec<CreateScopeServiceItem>,
     data: Option<Rc<Extensions>>,
     default: Option<HttpService>,
-    default_fut: Option<Box<Future<Item = HttpService, Error = ()>>>,
+    default_fut: Option<Box<dyn Future<Item = HttpService, Error = ()>>>,
 }
 
-type HttpServiceFut = Box<Future<Item = HttpService, Error = ()>>;
+type HttpServiceFut = Box<dyn Future<Item = HttpService, Error = ()>>;
 
 enum CreateScopeServiceItem {
     Future(Option<ResourceDef>, Option<Guards>, HttpServiceFut),

src/types/form.rs

@@ -73,7 +73,7 @@ where
 {
     type Config = FormConfig;
     type Error = Error;
-    type Future = Box<Future<Item = Self, Error = Error>>;
+    type Future = Box<dyn Future<Item = Self, Error = Error>>;
 
     #[inline]
     fn from_request(req: &HttpRequest, payload: &mut Payload) -> Self::Future {
@@ -187,7 +187,7 @@ pub struct UrlEncoded<U> {
     length: Option<usize>,
     encoding: &'static Encoding,
     err: Option<UrlencodedError>,
-    fut: Option<Box<Future<Item = U, Error = UrlencodedError>>>,
+    fut: Option<Box<dyn Future<Item = U, Error = UrlencodedError>>>,
 }
 
 impl<U> UrlEncoded<U> {

src/types/json.rs

@@ -169,7 +169,7 @@ where
     T: DeserializeOwned + 'static,
 {
     type Error = Error;
-    type Future = Box<Future<Item = Self, Error = Error>>;
+    type Future = Box<dyn Future<Item = Self, Error = Error>>;
     type Config = JsonConfig;
 
     #[inline]
@@ -290,7 +290,7 @@ pub struct JsonBody<U> {
     length: Option<usize>,
     stream: Option<Decompress<Payload>>,
     err: Option<JsonPayloadError>,
-    fut: Option<Box<Future<Item = U, Error = JsonPayloadError>>>,
+    fut: Option<Box<dyn Future<Item = U, Error = JsonPayloadError>>>,
 }
 
 impl<U> JsonBody<U>

src/types/payload.rs

@@ -124,7 +124,7 @@ impl FromRequest for Bytes {
     type Config = PayloadConfig;
     type Error = Error;
     type Future =
-        Either<Box<Future<Item = Bytes, Error = Error>>, FutureResult<Bytes, Error>>;
+        Either<Box<dyn Future<Item = Bytes, Error = Error>>, FutureResult<Bytes, Error>>;
 
     #[inline]
     fn from_request(req: &HttpRequest, payload: &mut dev::Payload) -> Self::Future {
@@ -177,8 +177,10 @@ impl FromRequest for Bytes {
 impl FromRequest for String {
     type Config = PayloadConfig;
     type Error = Error;
-    type Future =
-        Either<Box<Future<Item = String, Error = Error>>, FutureResult<String, Error>>;
+    type Future = Either<
+        Box<dyn Future<Item = String, Error = Error>>,
+        FutureResult<String, Error>,
+    >;
 
     #[inline]
     fn from_request(req: &HttpRequest, payload: &mut dev::Payload) -> Self::Future {
@@ -291,7 +293,7 @@ pub struct HttpMessageBody {
     length: Option<usize>,
     stream: Option<dev::Decompress<dev::Payload>>,
     err: Option<PayloadError>,
-    fut: Option<Box<Future<Item = Bytes, Error = PayloadError>>>,
+    fut: Option<Box<dyn Future<Item = Bytes, Error = PayloadError>>>,
 }
 
 impl HttpMessageBody {