protected: // for use as base class only
#if !defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) && !defined(BOOST_NO_CXX11_NON_PUBLIC_DEFAULTED_FUNCTIONS)
static_visitor() = default;
- ~static_visitor() = default;
#else
static_visitor() BOOST_NOEXCEPT { }
- ~static_visitor() BOOST_NOEXCEPT { }
#endif
};