template struct mrpt::copiable_NULL_ptr_basic

Overview

A wrapper class for pointers that, if copied with the “=” operator, should be set to nullptr in the copy.

See also:

safe_ptr, non_copiable_ptr, copiable_NULL_ptr

#include <mrpt/core/safe_pointers.h>

template <class T>
struct copiable_NULL_ptr_basic
{
    // construction

    copiable_NULL_ptr_basic();
    copiable_NULL_ptr_basic(const copiable_NULL_ptr_basic<T>&);

    // methods

    copiable_NULL_ptr_basic<T>& operator = (T* p);
    copiable_NULL_ptr_basic<T>& operator = (const copiable_NULL_ptr_basic<T>&);
    bool operator == (const T* o) const;
    bool operator == (const copiable_NULL_ptr_basic<T>& o) const;
    bool operator != (const T* o) const;
    bool operator != (const copiable_NULL_ptr_basic<T>& o) const;
    T*& get();
    const T*& get() const;
    T*& operator -> ();
    const T*& operator -> () const;
};

// direct descendants

template <class T>
struct copiable_NULL_ptr;