Class robj_sharedptr

src/server.h:239–307

void decrRefCount(robj_roptr o);
void incrRefCount(robj_roptr o);
class robj_sharedptr
{
    redisObject *m_ptr;

public:
    robj_sharedptr()
    : m_ptr(nullptr)
    {}
    explicit robj_sharedptr(redisObject *ptr)
    : m_ptr(ptr)
    {
        if(m_ptr)
            incrRefCount(ptr);
    }
    ~robj_sharedptr()
    {
        if (m_ptr)
            decrRefCount(m_ptr);
    }
    robj_sharedptr(const robj_sharedptr& other)
    : m_ptr(other.m_ptr)
    {        
        if(m_ptr)
            incrRefCount(m_ptr);
    }

    robj_sharedptr(robj_sharedptr&& other)
    {
        m_ptr = other.m_ptr;
        other.m_ptr = nullptr;
    }

    robj_sharedptr &operator=(const robj_sharedptr& other)
    {
        robj_sharedptr tmp(other);
        using std::swap;
        swap(m_ptr, tmp.m_ptr);
        return *this;
    }
    robj_sharedptr &operator=(redisObject *ptr)
    {
        robj_sharedptr tmp(ptr);
        using std::swap;
        swap(m_ptr, tmp.m_ptr);
        return *this;
    }
    
    redisObject* operator->() const
    {
        return m_ptr;
    }

    bool operator!() const
    {
        return !m_ptr;
    }

    explicit operator bool() const{