Update README.md

README.md

@@ -17,7 +17,7 @@
   A full-featured framework that empowers you to easily build [Telegram bots](https://telegram.org/blog/bot-revolution) using the [`async`/`.await`](https://rust-lang.github.io/async-book/01_getting_started/01_chapter.html) syntax in [Rust](https://www.rust-lang.org/). It handles all the difficult stuff so you can focus only on your business logic.
 </div>
 
-# Getting started
+## Getting started
  1. Be sure that you are up to date:
 ```bash
 $ rustup update stable
@@ -29,44 +29,26 @@ $ rustup update stable
 teloxide = "0.1.0"
 ```
 
-### Writing first bot
-First, create bot with [@botfather](https://t.me/botfather). After creating, botfather give you
-token in format `123456789:somemanyletters`.
+## Writing your first bot
+First, create a new bot using [@botfather](https://t.me/botfather), and after that you'll get a token in format `123456789:somemanyletters`.
 
-Next, open yout `main.rs` file. Let's create a simple echo bot:
+Next, open `main.rs` file, because we're gonna write a ping-pong-bot!
 ```rust
-use futures::stream::StreamExt;
-use teloxide::{
-    dispatching::{
-        chat::{ChatUpdate, ChatUpdateKind, Dispatcher},
-        update_listeners::polling_default,
-        SessionState,
-    },
-    requests::Request,
-    Bot,
-};
+use teloxide::prelude::*;
 
 #[tokio::main]
 async fn main() {
-    let bot = &Bot::new("1061598315:AAErEDodTsrqD3UxA_EvFyEfXbKA6DT25G0");
-    let mut updater = Box::pin(polling_default(bot));
-    let handler = |_, upd: ChatUpdate| async move {
-        if let ChatUpdateKind::Message(m) = upd.kind {
-            let msg = bot.send_message(m.chat.id, m.text);
-            msg.send().await.unwrap();
-        }
-        SessionState::Continue(())
-    };
-    let mut dp = Dispatcher::<'_, (), _>::new(handler);
-    println!("Starting the message handler.");
-    loop {
-        let u = updater.next().await.unwrap();
-        match u {
-            Err(e) => eprintln!("Error: {}", e),
-            Ok(u) => {
-                let _ = dp.dispatch(u).await;
-            }
-        }
-    }
+    std::env::set_var("RUST_LOG", "ping_pong_bot=trace");
+    std::env::set_var("RUST_LOG", "teloxide=error");
+    pretty_env_logger::init();
+    log::info!("Starting the ping-pong bot!");
+
+    Dispatcher::<RequestError>::new(Bot::new("MyAwesomeToken"))
+        .message_handler(&|ctx: DispatcherHandlerCtx<Message>| async move {
+            ctx.answer("pong").send().await?;
+            Ok(())
+        })
+        .dispatch()
+        .await;
 }
 ```