fix unused variable warning

Signed-off-by: William Woodall <william@osrfoundation.org>
ros2 · Apr 1, 2021 · 285fd8b · 285fd8b
1 parent b583ea7
commit 285fd8b
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/rclcpp/include/rclcpp/any_subscription_callback.hpp b/rclcpp/include/rclcpp/any_subscription_callback.hpp
@@ -234,6 +234,8 @@ class AnySubscriptionCallback
  MessageAllocTraits::construct(message_allocator_, ptr, *message);
  return std::unique_ptr<MessageT, MessageDeleter>(ptr, message_deleter_);
  };
+ // Avoid an unused variable warning in constexpr-if cases below where it is not used.
+ (void)create_unique_ptr_from_shared_ptr_message;
 
  if constexpr (std::is_same_v<T, ConstRefCallback>) {
  callback(*message);