first + second + third
}
+async fn not_good(x: &Mutex<u32>) -> u32 {
+ let first = baz().await;
+
+ let second = {
+ let guard = x.lock().unwrap();
+ baz().await
+ };
+
+ let third = baz().await;
+
+ first + second + third
+}
+
+#[allow(clippy::manual_async_fn)]
+fn block_bad(x: &Mutex<u32>) -> impl std::future::Future<Output = u32> + '_ {
+ async move {
+ let guard = x.lock().unwrap();
+ baz().await
+ }
+}
+
fn main() {
let m = Mutex::new(100);
good(&m);
bad(&m);
also_bad(&m);
+ not_good(&m);
+ block_bad(&m);
}