singular message reads are ref readonly

encompass-cs/Collections/MessageStore.cs

@@ -33,9 +33,9 @@ namespace Encompass
             Lookup<TMessage>().AddIgnoringTimeDilation(message, time);
         }
 
-        public TMessage First<TMessage>() where TMessage : struct, IMessage
+        public ref readonly TMessage First<TMessage>() where TMessage : struct, IMessage
         {
-            return Lookup<TMessage>().First();
+            return ref Lookup<TMessage>().First();
         }
 
         public Span<TMessage> All<TMessage>() where TMessage : struct, IMessage

encompass-cs/Collections/TypedMessageStore.cs

@@ -78,9 +78,9 @@ namespace Encompass
             _delayedStoreIgnoringTimeDilation.Add((message, time));
         }
 
-        public TMessage First()
+        public ref readonly TMessage First()
         {
-            return _store[0];
+            return ref _store[0];
         }
 
         public bool Any()

encompass-cs/Engine.cs

@@ -731,10 +731,10 @@ namespace Encompass
         /// Efficiently reads a single Message of a given type that references a given Entity.
         /// It is recommended to use this method in conjunction with SomeMessageWithEntity to prevent errors.
         /// </summary>
-        protected TMessage ReadMessageWithEntity<TMessage>(Entity entity) where TMessage : struct, IMessage, IHasEntity
+        protected ref readonly TMessage ReadMessageWithEntity<TMessage>(Entity entity) where TMessage : struct, IMessage, IHasEntity
         {
             CheckMessageRead<TMessage>();
-            return _messageManager.WithEntitySingular<TMessage>(entity.ID);
+            return ref _messageManager.WithEntitySingular<TMessage>(entity.ID);
         }
 
         /// <summary>