optional.hpp

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#pragma once
#ifndef OGLPLUS_OBJECT_OPTIONAL_1107121519_HPP
#define OGLPLUS_OBJECT_OPTIONAL_1107121519_HPP

#include <oglplus/detail/optional.hpp>
#include <oglplus/object/wrap_tpl.hpp>

namespace oglplus {


template <class Object>
class OptionalImpl<tag::Object, Object>
 : public Object
{
public:

    OptionalImpl(void)
    OGLPLUS_NOEXCEPT(true)
     : Object(typename Object::Uninitialized_())
    { }


    OptionalImpl(Object&& temp)
    OGLPLUS_NOEXCEPT(true)
     : Object(std::move(temp))
    { }

    OptionalImpl(OptionalImpl&& temp)
    OGLPLUS_NOEXCEPT(true)
     : Object(static_cast<Object&&>(temp))
    { }

    OptionalImpl& operator = (Object&& temp)
    {
        Object::operator=(std::move(temp));
        return *this;
    }


    bool IsInitialized(void) const
    OGLPLUS_NOEXCEPT(true)
    {
        return this->_name != 0u;
    }

    OGLPLUS_EXPLICIT operator bool (void) const
    {
        return IsInitialized();
    }

    Object Release(void)
    OGLPLUS_NOEXCEPT(true)
    {
        return Object(static_cast<Object&&>(*this));
    }
};

} // namespace oglplus

#endif // include guard