add extra constraints

Cargo.toml

@@ -60,9 +60,9 @@ rustls = ["actix-tls/rustls", "awc/rustls", "rust-tls"]
 
 [dependencies]
 actix-codec = "0.2.0"
-actix-service = "1.0.1"
+actix-service = "1.0.2"
-actix-utils = "1.0.4"
+actix-utils = "1.0.6"
-actix-router = "0.2.1"
+actix-router = "0.2.4"
 actix-rt = "1.0.0"
 actix-server = "1.0.0"
 actix-testing = "1.0.0"

actix-http/src/cloneable.rs

@@ -6,27 +6,21 @@ use actix_service::Service;
 
 #[doc(hidden)]
 /// Service that allows to turn non-clone service to a service with `Clone` impl
-pub(crate) struct CloneableService<T>(Rc<UnsafeCell<T>>);
+pub(crate) struct CloneableService<T: Service>(Rc<UnsafeCell<T>>);
 
-impl<T> CloneableService<T> {
+impl<T: Service> CloneableService<T> {
-    pub(crate) fn new(service: T) -> Self
+    pub(crate) fn new(service: T) -> Self {
-    where
-        T: Service,
-    {
         Self(Rc::new(UnsafeCell::new(service)))
     }
 }
 
-impl<T> Clone for CloneableService<T> {
+impl<T: Service> Clone for CloneableService<T> {
     fn clone(&self) -> Self {
         Self(self.0.clone())
     }
 }
 
-impl<T> Service for CloneableService<T>
+impl<T: Service> Service for CloneableService<T> {
-where
-    T: Service,
-{
     type Request = T::Request;
     type Response = T::Response;
     type Error = T::Error;

actix-http/src/h1/service.rs

@@ -364,7 +364,7 @@ where
 }
 
 /// `Service` implementation for HTTP1 transport
-pub struct H1ServiceHandler<T, S, B, X, U> {
+pub struct H1ServiceHandler<T, S: Service, B, X: Service, U: Service> {
     srv: CloneableService<S>,
     expect: CloneableService<X>,
     upgrade: Option<CloneableService<U>>,

actix-http/src/h2/service.rs

@@ -246,7 +246,7 @@ where
 }
 
 /// `Service` implementation for http/2 transport
-pub struct H2ServiceHandler<T, S, B> {
+pub struct H2ServiceHandler<T, S: Service, B> {
     srv: CloneableService<S>,
     cfg: ServiceConfig,
     on_connect: Option<rc::Rc<dyn Fn(&T) -> Box<dyn DataFactory>>>,

actix-http/src/service.rs

@@ -443,7 +443,7 @@ where
 }
 
 /// `Service` implementation for http transport
-pub struct HttpServiceHandler<T, S, B, X, U> {
+pub struct HttpServiceHandler<T, S: Service, B, X: Service, U: Service> {
     srv: CloneableService<S>,
     expect: CloneableService<X>,
     upgrade: Option<CloneableService<U>>,