variadic_variabletp.hpp

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#ifndef BOOST_MPL11_DETAIL_LEFT_FOLDS_VARIADIC_VARIABLETP_HPP
#define BOOST_MPL11_DETAIL_LEFT_FOLDS_VARIADIC_VARIABLETP_HPP

namespace boost { namespace mpl11 { namespace detail { namespace left_folds {
    struct done;

    template <template <typename ...> class f, typename state,
              typename x, typename ...xs>
    constexpr auto variable_impl = variable_impl<f, f<state, x>, xs...>;

    template <template <typename ...> class f, typename state>
    constexpr state variable_impl<f, state, done>{};

    template <template <typename ...> class f, typename state, typename ...xs>
    using variadic_variabletp = decltype(variable_impl<f, state, xs..., done>);
}}}} // end namespace boost::mpl11::detail::left_folds

#endif // !BOOST_MPL11_DETAIL_LEFT_FOLDS_VARIADIC_VARIABLETP_HPP