From f175a62c03b64f0e44598c3f85dba4ae202c1600 Mon Sep 17 00:00:00 2001
From: Anselm Eickhoff <anselm.eickhoff@gmail.com>
Date: Wed, 10 Oct 2018 14:03:03 +0200
Subject: [PATCH] Add possibility to register trait messages

---
 Cargo.toml          | 2 +-
 src/actor_system.rs | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/Cargo.toml b/Cargo.toml
index a52d82c..7d6e381 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "kay"
 description = "Experimental high-performance actor system framework for Rust"
-version = "0.2.23"
+version = "0.2.24"
 authors = ["Anselm Eickhoff <anselm.eickhoff@gmail.com>"]
 repository = "https://github.com/aeickhoff/kay"
 license = "MIT"
diff --git a/src/actor_system.rs b/src/actor_system.rs
index 45184a5..6af73c8 100644
--- a/src/actor_system.rs
+++ b/src/actor_system.rs
@@ -175,6 +175,12 @@ impl ActorSystem {
         let _actor_id = self.actor_registry.get_or_register::<A>();
     }
 
+    /// Register a message type that might first only appear in an actor trait
+    /// and that might never have an actual handler implementation on this node kind
+    pub fn register_trait_message<M: Message>(&mut self) {
+        self.message_registry.get_or_register::<M>();
+    }
+
     /// Register a handler for an Actor type and Message type.
     pub fn add_handler<A: Actor, M: Message, F: Fn(&M, &mut A, &mut World) -> Fate + 'static>(
         &mut self,