src/dawn/common/NonCopyable.h

// Copyright 2021 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
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// 2. 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.
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#ifndef SRC_DAWN_COMMON_NONCOPYABLE_H_
#define SRC_DAWN_COMMON_NONCOPYABLE_H_

namespace dawn {

// A base class to make a class non-copyable.
class NonCopyable {
  protected:
    constexpr NonCopyable() = default;
    ~NonCopyable() = default;

    NonCopyable(NonCopyable&&) = default;
    NonCopyable& operator=(NonCopyable&&) = default;

  private:
    NonCopyable(const NonCopyable&) = delete;
    void operator=(const NonCopyable&) = delete;
};

// A base class to make a class non-movable.
class NonMovable : NonCopyable {
  protected:
    constexpr NonMovable() = default;
    ~NonMovable() = default;

  private:
    NonMovable(NonMovable&&) = delete;
    void operator=(NonMovable&&) = delete;
};

}  // namespace dawn

#endif  // SRC_DAWN_COMMON_NONCOPYABLE_H_