Generic request body (#22)

Fixes #21

examples/key_value_store.rs

@@ -58,7 +58,10 @@ async fn main() {
     // Run our app with hyper
     let addr = SocketAddr::from(([127, 0, 0, 1], 3000));
     tracing::debug!("listening on {}", addr);
-    app.serve(&addr).await.unwrap();
+    hyper::Server::bind(&addr)
+        .serve(app.into_make_service())
+        .await
+        .unwrap();
 }
 
 type SharedState = Arc<RwLock<State>>;
@@ -98,7 +101,7 @@ async fn list_keys(Extension(state): Extension<SharedState>) -> String {
         .join("\n")
 }
 
-fn admin_routes() -> BoxRoute {
+fn admin_routes() -> BoxRoute<hyper::Body> {
     async fn delete_all_keys(Extension(state): Extension<SharedState>) {
         state.write().unwrap().db.clear();
     }