sref.h

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#ifndef __SREF_H__
#define __SREF_H__

#ifdef __MPF_BUILD__
namespace mpf_sdp {
#else
namespace sdp {
#endif

template <class T>
class shared_ref {
  T obj;

public:
  shared_ref(const shared_ref& other) : obj(other.obj, other.obj.take_data()) { }

  explicit shared_ref(T& ins) : obj(ins, ins.take_data()) { }

  T *ptr() { return &obj; }

  T *operator->() { return &obj; }

  T& operator*() { return obj; }

  shared_ref& operator=(const shared_ref&) = delete;
};

template <class T>
class const_shared_ref {
  T obj;

public:
  const_shared_ref(const const_shared_ref& other) : obj(other.obj, other.obj.take_data()) { }

  explicit const_shared_ref(const T& ins) : obj(ins, ins.take_data()) { }

  const T *ptr() const { return &obj; }

  const T *operator->() const { return &obj; }

  const T& operator*() const { return obj; }

  const_shared_ref& operator=(const const_shared_ref&) = delete;
};

}  // namespace

#endif

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// mode: c++
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