Merge branch 'main' into test-serialization

Author: PiotrSikora

examples/envoy_filter_metadata/src/lib.rs

@@ -38,9 +38,7 @@ impl HttpContext for MetadataHttp {
                     self.send_http_response(
                         200,
                         vec![("Powered-By", "proxy-wasm"), ("uppercased-metadata", &data)],
-                        Some(
-                            format!("Custom response with Envoy metadata: {:?}\n", data).as_bytes(),
-                        ),
+                        Some(format!("Custom response with Envoy metadata: {data:?}\n").as_bytes()),
                     );
                     Action::Pause
                 }

src/traits.rs

@@ -42,6 +42,10 @@ pub trait Context {
         hostcalls::set_shared_data(key, value, cas)
     }
 
+    fn remove_shared_data(&self, key: &str, cas: Option<u32>) -> Result<(), Status> {
+        hostcalls::set_shared_data(key, None, cas)
+    }
+
     fn register_shared_queue(&self, name: &str) -> u32 {
         hostcalls::register_shared_queue(name).unwrap()
     }