AutoPtrHelper.h

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include <memory>
 
namespace Freestyle {
 
template<typename T> class AutoPtr : public std::unique_ptr<T> {
 public:
  using std::unique_ptr<T>::unique_ptr;
 
  AutoPtr() : std::unique_ptr<T>() {}
  AutoPtr(T *ptr) : std::unique_ptr<T>(ptr) {}
 
  /* Mimic behavior of legacy auto_ptr.
   * Keep implementation as small as possible, hens delete assignment operator. */
 
  template<typename X> AutoPtr(AutoPtr<X> &other) : std::unique_ptr<T>(other.get())
  {
    other.release();
  }
 
  using std::unique_ptr<T>::operator=;
 
  template<typename X> AutoPtr &operator=(AutoPtr<X> &other) = delete;
};
 
} /* namespace Freestyle */