make Message clonable and expose as public

src/lib.rs

@@ -94,6 +94,7 @@ pub use self::config::{KeepAlive, ServiceConfig, ServiceConfigBuilder};
 pub use self::error::{Error, ResponseError, Result};
 pub use self::extensions::Extensions;
 pub use self::httpmessage::HttpMessage;
+pub use self::message::{Message, RequestHead, ResponseHead};
 pub use self::request::Request;
 pub use self::response::Response;
 pub use self::service::{SendError, SendResponse};

src/message.rs

@@ -169,6 +169,15 @@ impl<T: Head> Message<T> {
     }
 }
 
+impl<T: Head> Clone for Message<T> {
+    fn clone(&self) -> Self {
+        Message {
+            inner: self.inner.clone(),
+            pool: self.pool,
+        }
+    }
+}
+
 impl<T: Head> std::ops::Deref for Message<T> {
     type Target = T;