// Copyright (c) 2011-present, Facebook, Inc. All rights reserved. // This source code is licensed under both the GPLv2 (found in the // COPYING file in the root directory) and Apache 2.0 License // (found in the LICENSE.Apache file in the root directory). #pragma once #ifndef FALLTHROUGH_INTENDED #if defined(__clang__) #define FALLTHROUGH_INTENDED [[clang::fallthrough]] #elif defined(__GNUC__) && __GNUC__ >= 7 #define FALLTHROUGH_INTENDED [[gnu::fallthrough]] #else #define FALLTHROUGH_INTENDED do {} while (0) #endif #endif