Naming

futures-util/src/stream/try_stream/try_flatten_unordered.rs

@@ -137,7 +137,7 @@ where
         // will be polled out from the error stream.
         // As `TryFlattenUnordered` won't poll the base stream again unless waker will be called explicitly, we can be
         // sure that by returning `Poll::Pending` we exclude the ability to poll the base stream before the error will reach the caller.
-        if out.as_ref().map_or(false, |opt| matches!(opt, Either::Right(_))) {
+        if out.as_ref().map_or(false, |item| matches!(item, Either::Right(_))) {
             *this.last_item_is_error = true;
         }