try arc instead of box

src/lib.rs

@@ -12,6 +12,7 @@ use plugins::loader::{PluginLoader, PluginLoaderError};
 mod event;
 use event::Event;
 
+use std::sync::Arc;
 use std::sync::mpsc;
 use std::sync::mpsc::Sender;
 
@@ -83,7 +84,7 @@ pub struct Channel {
     name: String,
     description: String,
     topic: String,
-    sender: Box<MessageSender>
+    sender: Arc<MessageSender>
 }
 
 impl Channel {
@@ -95,7 +96,7 @@ impl Channel {
 #[derive(Clone)]
 pub struct User {
     name: String,
-    sender: Box<MessageSender>
+    sender: Arc<MessageSender>
 }
 
 impl User {
@@ -105,12 +106,5 @@ impl User {
 }
 
 pub trait MessageSender : Sync + Send {
-    fn box_clone (&self) -> Box<MessageSender>;
     fn send_message (&self, message: &str) {}
 }
-
-impl Clone for Box<MessageSender> {
-    fn clone (&self) -> Box<MessageSender> {
-        self.box_clone()
-    }
-}

src/plugins/discord.rs

@@ -6,6 +6,8 @@ use plugins::Plugin;
 use toml::Table;
 
 use event;
+
+use std::sync::Arc;
 use std::sync::mpsc::Sender;
 
 use MessageSender;
@@ -28,18 +30,13 @@ impl DiscordPlugin {
     }
 }
 
-#[derive(Clone)]
 pub struct DiscordMessageSender {
-    name: String
+    channel_id: discord::model::ChannelId
 }
 
 impl MessageSender for DiscordMessageSender {
-    fn box_clone (&self) -> Box<MessageSender> {
-        Box::new((*self).clone())
-    }
-
     fn send_message (&self, message: &str) {
-        println!("send to {:?}: {:?}", self.name, message);
+        println!("send to {:?}: {:?}", self.channel_id, message);
     }
 }
 
@@ -52,8 +49,8 @@ impl Plugin for DiscordPlugin {
                 Ok(Event::MessageCreate(message)) => {
                     let author = User {
                         name: message.author.name.clone(),
-                        sender: Box::new(DiscordMessageSender {
+                        sender: Arc::new(DiscordMessageSender {
-                            name: message.author.name
+                            channel_id: message.channel_id
                         })
                     };
 
@@ -61,8 +58,8 @@ impl Plugin for DiscordPlugin {
                         name: String::from("channel"),
                         description: String::from(""),
                         topic: String::from(""),
-                        sender: Box::new(DiscordMessageSender {
+                        sender: Arc::new(DiscordMessageSender {
-                            name: String::from("channel")
+                            channel_id: message.channel_id
                         })
                     };
 

src/plugins/stdin.rs

@@ -6,21 +6,17 @@ use toml::Table;
 use User;
 use MessageSender;
 
+use std::sync::Arc;
 use std::sync::mpsc::Sender;
 use event::Event;
 
 pub struct StdinPlugin {}
 
-#[derive(Clone)]
 pub struct StdinMessageSender {
     name: String
 }
 
 impl MessageSender for StdinMessageSender {
-    fn box_clone (&self) -> Box<MessageSender> {
-        Box::new((*self).clone())
-    }
-
     fn send_message (&self, message: &str) {
         println!("send to {:?}: {:?}", self.name, message);
     }
@@ -36,7 +32,7 @@ impl Plugin for StdinPlugin {
     fn produce_events<'a>(&'a self, sender: Sender<Event>) {
         let user = User {
             name: String::from("Dave"),
-            sender: Box::new(StdinMessageSender {
+            sender: Arc::new(StdinMessageSender {
                 name: String::from("Dave")
             })
         };