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