File: implicit_ctad.pass.cpp

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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// UNSUPPORTED: c++03, c++11, c++14

// <mutex>

// template <class Mutex> class lock_guard;

// Make sure that the implicitly-generated CTAD works.

#include <mutex>

#include "test_macros.h"
#include "types.h"

int main(int, char**) {
  MyMutex m;
  {
    std::lock_guard lg(m);
    ASSERT_SAME_TYPE(decltype(lg), std::lock_guard<MyMutex>);
  }

  return 0;
}