2017-09-19 22:54:40 +02:00
|
|
|
// Copyright 2017 The Abseil Authors.
|
|
|
|
//
|
|
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
|
|
// you may not use this file except in compliance with the License.
|
|
|
|
// You may obtain a copy of the License at
|
|
|
|
//
|
2019-03-08 16:27:53 +01:00
|
|
|
// https://www.apache.org/licenses/LICENSE-2.0
|
2017-09-19 22:54:40 +02:00
|
|
|
//
|
|
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
|
// See the License for the specific language governing permissions and
|
|
|
|
// limitations under the License.
|
|
|
|
|
|
|
|
#include "absl/types/optional.h"
|
|
|
|
|
|
|
|
#ifndef ABSL_HAVE_STD_OPTIONAL
|
|
|
|
namespace absl {
|
|
|
|
|
|
|
|
nullopt_t::init_t nullopt_t::init;
|
|
|
|
extern const nullopt_t nullopt{nullopt_t::init};
|
|
|
|
|
|
|
|
} // namespace absl
|
|
|
|
#endif // ABSL_HAVE_STD_OPTIONAL
|