refactor: introduce HedgeExt for task hedging; rewrite NatDstQuicConnector (#2229)

easytier/src/proto/utils.rs

@@ -1,6 +1,6 @@
 use delegate::delegate;
 use derivative::Derivative;
-use derive_more::{Deref, DerefMut, From, IntoIterator};
+use derive_more::{AsMut, AsRef, Deref, DerefMut, From, IntoIterator};
 use prost::Message;
 use serde::{Deserialize, Serialize};
 use sha2::{Digest, Sha256};
@@ -45,11 +45,15 @@ where
     From,
     Deref,
     DerefMut,
+    AsRef,
+    AsMut,
     Serialize,
     Deserialize,
     IntoIterator,
 )]
 #[derivative(Default(bound = ""))]
+#[as_ref(forward)]
+#[as_mut(forward)]
 #[serde(transparent)]
 #[into_iterator(owned, ref, ref_mut)]
 pub struct RepeatedMessageModel<Model>(Vec<Model>);
@@ -74,22 +78,6 @@ impl<Model> Extend<Model> for RepeatedMessageModel<Model> {
     }
 }
 
-impl<Model> AsRef<[Model]> for RepeatedMessageModel<Model> {
-    delegate! {
-        to self.0 {
-            fn as_ref(&self) -> &[Model];
-        }
-    }
-}
-
-impl<Model> AsMut<[Model]> for RepeatedMessageModel<Model> {
-    delegate! {
-        to self.0 {
-            fn as_mut(&mut self) -> &mut [Model];
-        }
-    }
-}
-
 impl<'m, Message, Model> TryFrom<&'m [Message]> for RepeatedMessageModel<Model>
 where
     Message: prost::Message,