Class Wrapper

include/CL/opencl.hpp:2064–2155

template <typename T>
class Wrapper
{
public:
    typedef T cl_type;

protected:
    cl_type object_;

public:
    Wrapper() : object_(nullptr) { }
    
    Wrapper(const cl_type &obj, bool retainObject) : object_(obj) 
    {
        if (retainObject) { 
            detail::errHandler(retain(), __RETAIN_ERR); 
        }
    }

    ~Wrapper()
    {
        if (object_ != nullptr) { release(); }
    }

    Wrapper(const Wrapper<cl_type>& rhs)
    {
        object_ = rhs.object_;
        detail::errHandler(retain(), __RETAIN_ERR);
    }

    Wrapper(Wrapper<cl_type>&& rhs) CL_HPP_NOEXCEPT_
    {
        object_ = rhs.object_;
        rhs.object_ = nullptr;
    }

    Wrapper<cl_type>& operator = (const Wrapper<cl_type>& rhs)
    {
        if (this != &rhs) {
            detail::errHandler(release(), __RELEASE_ERR);
            object_ = rhs.object_;
            detail::errHandler(retain(), __RETAIN_ERR);
        }
        return *this;
    }

    Wrapper<cl_type>& operator = (Wrapper<cl_type>&& rhs)
    {
        if (this != &rhs) {
            detail::errHandler(release(), __RELEASE_ERR);
            object_ = rhs.object_;
            rhs.object_ = nullptr;
        }
        return *this;
    }

    Wrapper<cl_type>& operator = (const cl_type &rhs)
    {
        detail::errHandler(release(), __RELEASE_ERR);