File: NotConstructible.h

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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
//
//===----------------------------------------------------------------------===//

#ifndef NOTCONSTRUCTIBLE_H
#define NOTCONSTRUCTIBLE_H

#include <functional>

class NotConstructible
{
    NotConstructible(const NotConstructible&);
    NotConstructible& operator=(const NotConstructible&);
public:
};

inline
bool
operator==(const NotConstructible&, const NotConstructible&)
{return true;}

template <>
struct std::hash<NotConstructible> {
  typedef NotConstructible argument_type;
  typedef std::size_t result_type;

  std::size_t operator()(const NotConstructible&) const { return 0; }
};

#endif // NOTCONSTRUCTIBLE_H