adding some clarification about AsAtrHashEq

libp2p · Jun 27, 2024 · 3f8eb31 · 3f8eb31
1 parent 9cfdfb5
commit 3f8eb31
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/swarm/src/connection.rs b/swarm/src/connection.rs
@@ -745,6 +745,8 @@ enum Shutdown {
     Later(Delay),
 }
 
+// Instead of allocating new string from `T::as_ref()` we wrap in in zero cost struct that
+// allows us to use the `T: AsRef<str>` as a key in hashmap
 pub(crate) struct AsStrHashEq<T>(pub(crate) T);
 
 impl<T: AsRef<str>> Eq for AsStrHashEq<T> {}