126     struct variant  struct
131         using variant_type = boost::variant<Types...>;
132         using types        = mpl::list<typename detail::remove_forward<Types>::type...>;
133         using base_type    = variant; // The current instantiation
136         using non_self_t // used only for SFINAE checks below
143 … variant() BOOST_NOEXCEPT_IF(std::is_nothrow_default_constructible<variant_type>::value) : var() {}  in BOOST_NOEXCEPT_IF()
153 …iant(variant const& rhs) BOOST_NOEXCEPT_IF(std::is_nothrow_copy_constructible<variant_type>::value)  in BOOST_NOEXCEPT_IF()
159 …  variant(variant&& rhs) BOOST_NOEXCEPT_IF(std::is_nothrow_move_constructible<variant_type>::value)  in BOOST_NOEXCEPT_IF()
162 …erator=(variant const& rhs) BOOST_NOEXCEPT_IF(std::is_nothrow_copy_assignable<variant_type>::value)  in operator =()
168 …t& operator=(variant&& rhs) BOOST_NOEXCEPT_IF(std::is_nothrow_move_assignable<variant_type>::value)  in operator =()
175 …rator=(T const& rhs) BOOST_NOEXCEPT_IF((std::is_nothrow_assignable<variant_type, T const&>::value))  in operator =()
182 …riant& operator=(T&& rhs) BOOST_NOEXCEPT_IF((std::is_nothrow_assignable<variant_type, T&&>::value))  in operator =()
189         typename F::result_type apply_visitor(F const& v)  in apply_visitor()
195         typename F::result_type apply_visitor(F const& v) const  in apply_visitor()
201         typename F::result_type apply_visitor(F& v)  in apply_visitor()
207         typename F::result_type apply_visitor(F& v) const  in apply_visitor()
212         variant_type const& get() const BOOST_NOEXCEPT  in get()
238     get(boost::spirit::x3::variant<Types...> const& x) BOOST_NOEXCEPT  in get()