Add const to coro::UnboundedQueue::size/empty()

Summary: We have them for `BoundedQueue`. https://www.internalfb.com/code/fbsource/[6063be9f5707]/fbcode/folly/experimental/coro/BoundedQueue.h?lines=97,99 Reviewed By: iahs Differential Revision: D51515453 fbshipit-source-id: e599f950d97c2956c59f009ff975da0ec82a8ed1
facebook · Nov 22, 2023 · 1a1dfd6 · 1a1dfd6
1 parent 49ae1ef
commit 1a1dfd6
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/folly/experimental/coro/UnboundedQueue.h b/folly/experimental/coro/UnboundedQueue.h
@@ -59,11 +59,11 @@ class UnboundedQueue {
     return sem_.try_wait() ? queue_.try_dequeue(out) : false;
   }
 
-  bool empty() { return queue_.empty(); }
+  bool empty() const { return queue_.empty(); }
 
   const T* try_peek() noexcept { return queue_.try_peek(); }
 
-  size_t size() { return queue_.size(); }
+  size_t size() const { return queue_.size(); }
 
  private:
   folly::UnboundedQueue<T, SingleProducer, SingleConsumer, false> queue_;