// Protocol Buffers - Google's data interchange format

// Copyright 2008 Google Inc.  All rights reserved.

// https://developers.google.com/protocol-buffers/

//

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are

// met:

//

//     * Redistributions of source code must retain the above copyright

// notice, this list of conditions and the following disclaimer.

//     * Redistributions in binary form must reproduce the above

// copyright notice, this list of conditions and the following disclaimer

// in the documentation and/or other materials provided with the

// distribution.

//     * Neither the name of Google Inc. nor the names of its

// contributors may be used to endorse or promote products derived from

// this software without specific prior written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

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#ifndef GOOGLE_PROTOBUF_STUBS_ONCE_H__

#define GOOGLE_PROTOBUF_STUBS_ONCE_H__

#include <mutex>

#include <utility>

#include <google/protobuf/port_def.inc>

namespace google {

namespace protobuf {

namespace internal {

using once_flag = std::once_flag;

template <typename... Args>

void call_once(Args&&... args ) {

  std::call_once(std::forward<Args>(args)...);

}

}  // namespace internal

}  // namespace protobuf

}  // namespace google

#include <google/protobuf/port_undef.inc>

#endif  // GOOGLE_PROTOBUF_STUBS_ONCE_H__