From 594052dc48acae9e303d4514c8b4c6a1047d77f2 Mon Sep 17 00:00:00 2001
From: David Pedersen <david.pdrsn@gmail.com>
Date: Tue, 10 Aug 2021 10:03:29 +0200
Subject: [PATCH] Revert hello_world example

Accidentally changed it while testing something
---
 examples/hello_world.rs | 30 ++++++++++++++++--------------
 1 file changed, 16 insertions(+), 14 deletions(-)

diff --git a/examples/hello_world.rs b/examples/hello_world.rs
index 91a28f68..bdb0a877 100644
--- a/examples/hello_world.rs
+++ b/examples/hello_world.rs
@@ -1,24 +1,26 @@
+//! Run with
+//!
+//! ```not_rust
+//! cargo run --example hello_world
+//! ```
+
 use axum::prelude::*;
-use std::{convert::Infallible, net::SocketAddr, time::Duration};
-use tower::{limit::RateLimitLayer, BoxError, ServiceBuilder};
+use std::net::SocketAddr;
 
 #[tokio::main]
 async fn main() {
-    let handler_layer = ServiceBuilder::new()
-        .buffer(1024)
-        .layer(RateLimitLayer::new(10, Duration::from_secs(10)))
-        .into_inner();
+    // Set the RUST_LOG, if it hasn't been explicitly defined
+    if std::env::var("RUST_LOG").is_err() {
+        std::env::set_var("RUST_LOG", "hello_world=debug")
+    }
+    tracing_subscriber::fmt::init();
 
-    let app = route(
-        "/",
-        get(handler
-            .layer(handler_layer)
-            .handle_error(|error: BoxError| {
-                Ok::<_, Infallible>(format!("Unhandled error: {}", error))
-            })),
-    );
+    // build our application with a route
+    let app = route("/", get(handler));
 
+    // run it
     let addr = SocketAddr::from(([127, 0, 0, 1], 3000));
+    tracing::debug!("listening on {}", addr);
     axum::Server::bind(&addr)
         .serve(app.into_make_service())
         .await