Hot fixes

examples/ping_pong_bot/src/main.rs

@@ -6,9 +6,10 @@ async fn main() {
     pretty_env_logger::init();
     log::info!("Starting the ping-pong bot!");
 
-    Dispatcher::new(Bot::new("MyAwesomeToken"))
-        .message_handler(|ctx: HandlerCtx<Message>| async move {
-            ctx.reply("pong").await
+    Dispatcher::<RequestError>::new(Bot::new("MyAwesomeToken"))
+        .message_handler(&|ctx: DispatcherHandlerCtx<Message>| async move {
+            ctx.answer("pong").send().await?;
+            Ok(())
         })
         .dispatch()
         .await;

src/bot/mod.rs

@@ -1,4 +1,5 @@
 use reqwest::Client;
+use std::sync::Arc;
 
 mod api;
 mod download;
@@ -11,24 +12,21 @@ pub struct Bot {
 }
 
 impl Bot {
-    pub fn new<S>(token: S) -> Self
+    pub fn new<S>(token: S) -> Arc<Self>
     where
         S: Into<String>,
     {
-        Bot {
-            token: token.into(),
-            client: Client::new(),
-        }
+        Self::with_client(token, Client::new())
     }
 
-    pub fn with_client<S>(token: S, client: Client) -> Self
+    pub fn with_client<S>(token: S, client: Client) -> Arc<Self>
     where
         S: Into<String>,
     {
-        Bot {
+        Arc::new(Bot {
             token: token.into(),
             client,
-        }
+        })
     }
 }
 

src/dispatching/dispatcher.rs

@@ -53,9 +53,9 @@ where
 {
     /// Constructs a new dispatcher with this `bot`.
     #[must_use]
-    pub fn new(bot: Bot) -> Self {
+    pub fn new(bot: Arc<Bot>) -> Self {
         Self {
-            bot: Arc::new(bot),
+            bot,
             handlers_error_handler: Box::new(LoggingErrorHandler::new(
                 "An error from a Dispatcher's handler",
             )),