Chris@16: /////////////////////////////////////////////////////////////////////////////// Chris@16: /// \file make.hpp Chris@16: /// Contains definition of the make<> transform. Chris@16: // Chris@16: // Copyright 2008 Eric Niebler. Distributed under the Boost Chris@16: // Software License, Version 1.0. (See accompanying file Chris@16: // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) Chris@16: namespace detail Chris@16: { Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0) const Chris@16: { Chris@16: return result_type::make(a0); Chris@16: } Chris@16: }; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::basic_expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0) const Chris@16: { Chris@16: return result_type::make(a0); Chris@16: } Chris@16: }; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: Type construct() Chris@16: { Chris@16: return construct_()(); Chris@16: } Chris@16: } Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl : transform_impl Chris@16: { Chris@16: Chris@16: typedef typename detail::make_if_::type result_type; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()( Chris@16: typename impl::expr_param e Chris@16: , typename impl::state_param s Chris@16: , typename impl::data_param d Chris@16: ) const Chris@16: { Chris@16: proto::detail::ignore_unused(e); Chris@16: proto::detail::ignore_unused(s); Chris@16: proto::detail::ignore_unused(d); Chris@16: return detail::construct(); Chris@16: } Chris@16: }; Chris@16: }; Chris@16: namespace detail Chris@16: { Chris@16: template< Chris@16: template class R Chris@16: , typename A0 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: R Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(1) Chris@16: > Chris@16: : nested_type_if< Chris@16: R ::type> Chris@16: , (make_if_ ::applied || false) Chris@16: > Chris@16: {}; Chris@16: template< Chris@16: template class R Chris@16: , typename A0 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: noinvoke > Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(1) Chris@16: > Chris@16: { Chris@16: typedef R ::type> type; Chris@16: static bool const applied = true; Chris@16: }; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0) const Chris@16: { Chris@16: return result_type::make(a0); Chris@16: } Chris@16: }; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::basic_expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0) const Chris@16: { Chris@16: return result_type::make(a0); Chris@16: } Chris@16: }; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: Type construct(A0 &a0) Chris@16: { Chris@16: return construct_()(a0); Chris@16: } Chris@16: } Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl : transform_impl Chris@16: { Chris@16: Chris@16: typedef typename detail::make_if_::type result_type; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()( Chris@16: typename impl::expr_param e Chris@16: , typename impl::state_param s Chris@16: , typename impl::data_param d Chris@16: ) const Chris@16: { Chris@16: proto::detail::ignore_unused(e); Chris@16: proto::detail::ignore_unused(s); Chris@16: proto::detail::ignore_unused(d); Chris@16: return detail::construct(detail::as_lvalue( typename when<_, A0>::template impl()(e, s, d) )); Chris@16: } Chris@16: }; Chris@16: }; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl Chris@16: : make< Chris@16: typename detail::expand_pattern< Chris@16: proto::arity_of::value Chris@16: , A0 Chris@16: , detail::expand_pattern_rest_0< Chris@16: Object Chris@16: Chris@16: > Chris@16: >::type Chris@16: >::template impl Chris@16: {}; Chris@16: }; Chris@16: namespace detail Chris@16: { Chris@16: template< Chris@16: template class R Chris@16: , typename A0 , typename A1 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: R Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(2) Chris@16: > Chris@16: : nested_type_if< Chris@16: R ::type , typename make_if_ ::type> Chris@16: , (make_if_ ::applied || make_if_ ::applied || false) Chris@16: > Chris@16: {}; Chris@16: template< Chris@16: template class R Chris@16: , typename A0 , typename A1 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: noinvoke > Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(1) Chris@16: > Chris@16: { Chris@16: typedef R ::type , typename make_if_ ::type> type; Chris@16: static bool const applied = true; Chris@16: }; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0 , A1 &a1) const Chris@16: { Chris@16: return result_type::make(a0 , a1); Chris@16: } Chris@16: }; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::basic_expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0 , A1 &a1) const Chris@16: { Chris@16: return result_type::make(a0 , a1); Chris@16: } Chris@16: }; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: Type construct(A0 &a0 , A1 &a1) Chris@16: { Chris@16: return construct_()(a0 , a1); Chris@16: } Chris@16: } Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl : transform_impl Chris@16: { Chris@16: Chris@16: typedef typename detail::make_if_::type result_type; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()( Chris@16: typename impl::expr_param e Chris@16: , typename impl::state_param s Chris@16: , typename impl::data_param d Chris@16: ) const Chris@16: { Chris@16: proto::detail::ignore_unused(e); Chris@16: proto::detail::ignore_unused(s); Chris@16: proto::detail::ignore_unused(d); Chris@16: return detail::construct(detail::as_lvalue( typename when<_, A0>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A1>::template impl()(e, s, d) )); Chris@16: } Chris@16: }; Chris@16: }; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl Chris@16: : make< Chris@16: typename detail::expand_pattern< Chris@16: proto::arity_of::value Chris@16: , A1 Chris@16: , detail::expand_pattern_rest_1< Chris@16: Object Chris@16: , A0 Chris@16: > Chris@16: >::type Chris@16: >::template impl Chris@16: {}; Chris@16: }; Chris@16: namespace detail Chris@16: { Chris@16: template< Chris@16: template class R Chris@16: , typename A0 , typename A1 , typename A2 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: R Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(3) Chris@16: > Chris@16: : nested_type_if< Chris@16: R ::type , typename make_if_ ::type , typename make_if_ ::type> Chris@16: , (make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || false) Chris@16: > Chris@16: {}; Chris@16: template< Chris@16: template class R Chris@16: , typename A0 , typename A1 , typename A2 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: noinvoke > Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(1) Chris@16: > Chris@16: { Chris@16: typedef R ::type , typename make_if_ ::type , typename make_if_ ::type> type; Chris@16: static bool const applied = true; Chris@16: }; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0 , A1 &a1 , A2 &a2) const Chris@16: { Chris@16: return result_type::make(a0 , a1 , a2); Chris@16: } Chris@16: }; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::basic_expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0 , A1 &a1 , A2 &a2) const Chris@16: { Chris@16: return result_type::make(a0 , a1 , a2); Chris@16: } Chris@16: }; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: Type construct(A0 &a0 , A1 &a1 , A2 &a2) Chris@16: { Chris@16: return construct_()(a0 , a1 , a2); Chris@16: } Chris@16: } Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl : transform_impl Chris@16: { Chris@16: Chris@16: typedef typename detail::make_if_::type result_type; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()( Chris@16: typename impl::expr_param e Chris@16: , typename impl::state_param s Chris@16: , typename impl::data_param d Chris@16: ) const Chris@16: { Chris@16: proto::detail::ignore_unused(e); Chris@16: proto::detail::ignore_unused(s); Chris@16: proto::detail::ignore_unused(d); Chris@16: return detail::construct(detail::as_lvalue( typename when<_, A0>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A1>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A2>::template impl()(e, s, d) )); Chris@16: } Chris@16: }; Chris@16: }; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl Chris@16: : make< Chris@16: typename detail::expand_pattern< Chris@16: proto::arity_of::value Chris@16: , A2 Chris@16: , detail::expand_pattern_rest_2< Chris@16: Object Chris@16: , A0 , A1 Chris@16: > Chris@16: >::type Chris@16: >::template impl Chris@16: {}; Chris@16: }; Chris@16: namespace detail Chris@16: { Chris@16: template< Chris@16: template class R Chris@16: , typename A0 , typename A1 , typename A2 , typename A3 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: R Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(4) Chris@16: > Chris@16: : nested_type_if< Chris@16: R ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type> Chris@16: , (make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || false) Chris@16: > Chris@16: {}; Chris@16: template< Chris@16: template class R Chris@16: , typename A0 , typename A1 , typename A2 , typename A3 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: noinvoke > Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(1) Chris@16: > Chris@16: { Chris@16: typedef R ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type> type; Chris@16: static bool const applied = true; Chris@16: }; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3) const Chris@16: { Chris@16: return result_type::make(a0 , a1 , a2 , a3); Chris@16: } Chris@16: }; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::basic_expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3) const Chris@16: { Chris@16: return result_type::make(a0 , a1 , a2 , a3); Chris@16: } Chris@16: }; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: Type construct(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3) Chris@16: { Chris@16: return construct_()(a0 , a1 , a2 , a3); Chris@16: } Chris@16: } Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl : transform_impl Chris@16: { Chris@16: Chris@16: typedef typename detail::make_if_::type result_type; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()( Chris@16: typename impl::expr_param e Chris@16: , typename impl::state_param s Chris@16: , typename impl::data_param d Chris@16: ) const Chris@16: { Chris@16: proto::detail::ignore_unused(e); Chris@16: proto::detail::ignore_unused(s); Chris@16: proto::detail::ignore_unused(d); Chris@16: return detail::construct(detail::as_lvalue( typename when<_, A0>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A1>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A2>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A3>::template impl()(e, s, d) )); Chris@16: } Chris@16: }; Chris@16: }; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl Chris@16: : make< Chris@16: typename detail::expand_pattern< Chris@16: proto::arity_of::value Chris@16: , A3 Chris@16: , detail::expand_pattern_rest_3< Chris@16: Object Chris@16: , A0 , A1 , A2 Chris@16: > Chris@16: >::type Chris@16: >::template impl Chris@16: {}; Chris@16: }; Chris@16: namespace detail Chris@16: { Chris@16: template< Chris@16: template class R Chris@16: , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: R Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(5) Chris@16: > Chris@16: : nested_type_if< Chris@16: R ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type> Chris@16: , (make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || false) Chris@16: > Chris@16: {}; Chris@16: template< Chris@16: template class R Chris@16: , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: noinvoke > Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(1) Chris@16: > Chris@16: { Chris@16: typedef R ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type> type; Chris@16: static bool const applied = true; Chris@16: }; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3 , A4 &a4) const Chris@16: { Chris@16: return result_type::make(a0 , a1 , a2 , a3 , a4); Chris@16: } Chris@16: }; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::basic_expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3 , A4 &a4) const Chris@16: { Chris@16: return result_type::make(a0 , a1 , a2 , a3 , a4); Chris@16: } Chris@16: }; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: Type construct(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3 , A4 &a4) Chris@16: { Chris@16: return construct_()(a0 , a1 , a2 , a3 , a4); Chris@16: } Chris@16: } Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl : transform_impl Chris@16: { Chris@16: Chris@16: typedef typename detail::make_if_::type result_type; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()( Chris@16: typename impl::expr_param e Chris@16: , typename impl::state_param s Chris@16: , typename impl::data_param d Chris@16: ) const Chris@16: { Chris@16: proto::detail::ignore_unused(e); Chris@16: proto::detail::ignore_unused(s); Chris@16: proto::detail::ignore_unused(d); Chris@16: return detail::construct(detail::as_lvalue( typename when<_, A0>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A1>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A2>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A3>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A4>::template impl()(e, s, d) )); Chris@16: } Chris@16: }; Chris@16: }; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl Chris@16: : make< Chris@16: typename detail::expand_pattern< Chris@16: proto::arity_of::value Chris@16: , A4 Chris@16: , detail::expand_pattern_rest_4< Chris@16: Object Chris@16: , A0 , A1 , A2 , A3 Chris@16: > Chris@16: >::type Chris@16: >::template impl Chris@16: {}; Chris@16: }; Chris@16: namespace detail Chris@16: { Chris@16: template< Chris@16: template class R Chris@16: , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: R Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(6) Chris@16: > Chris@16: : nested_type_if< Chris@16: R ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type> Chris@16: , (make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || false) Chris@16: > Chris@16: {}; Chris@16: template< Chris@16: template class R Chris@16: , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: noinvoke > Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(1) Chris@16: > Chris@16: { Chris@16: typedef R ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type> type; Chris@16: static bool const applied = true; Chris@16: }; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3 , A4 &a4 , A5 &a5) const Chris@16: { Chris@16: return result_type::make(a0 , a1 , a2 , a3 , a4 , a5); Chris@16: } Chris@16: }; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::basic_expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3 , A4 &a4 , A5 &a5) const Chris@16: { Chris@16: return result_type::make(a0 , a1 , a2 , a3 , a4 , a5); Chris@16: } Chris@16: }; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: Type construct(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3 , A4 &a4 , A5 &a5) Chris@16: { Chris@16: return construct_()(a0 , a1 , a2 , a3 , a4 , a5); Chris@16: } Chris@16: } Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl : transform_impl Chris@16: { Chris@16: Chris@16: typedef typename detail::make_if_::type result_type; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()( Chris@16: typename impl::expr_param e Chris@16: , typename impl::state_param s Chris@16: , typename impl::data_param d Chris@16: ) const Chris@16: { Chris@16: proto::detail::ignore_unused(e); Chris@16: proto::detail::ignore_unused(s); Chris@16: proto::detail::ignore_unused(d); Chris@16: return detail::construct(detail::as_lvalue( typename when<_, A0>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A1>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A2>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A3>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A4>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A5>::template impl()(e, s, d) )); Chris@16: } Chris@16: }; Chris@16: }; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl Chris@16: : make< Chris@16: typename detail::expand_pattern< Chris@16: proto::arity_of::value Chris@16: , A5 Chris@16: , detail::expand_pattern_rest_5< Chris@16: Object Chris@16: , A0 , A1 , A2 , A3 , A4 Chris@16: > Chris@16: >::type Chris@16: >::template impl Chris@16: {}; Chris@16: }; Chris@16: namespace detail Chris@16: { Chris@16: template< Chris@16: template class R Chris@16: , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 , typename A6 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: R Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(7) Chris@16: > Chris@16: : nested_type_if< Chris@16: R ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type> Chris@16: , (make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || false) Chris@16: > Chris@16: {}; Chris@16: template< Chris@16: template class R Chris@16: , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 , typename A6 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: noinvoke > Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(1) Chris@16: > Chris@16: { Chris@16: typedef R ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type> type; Chris@16: static bool const applied = true; Chris@16: }; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3 , A4 &a4 , A5 &a5 , A6 &a6) const Chris@16: { Chris@16: return result_type::make(a0 , a1 , a2 , a3 , a4 , a5 , a6); Chris@16: } Chris@16: }; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::basic_expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3 , A4 &a4 , A5 &a5 , A6 &a6) const Chris@16: { Chris@16: return result_type::make(a0 , a1 , a2 , a3 , a4 , a5 , a6); Chris@16: } Chris@16: }; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: Type construct(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3 , A4 &a4 , A5 &a5 , A6 &a6) Chris@16: { Chris@16: return construct_()(a0 , a1 , a2 , a3 , a4 , a5 , a6); Chris@16: } Chris@16: } Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl : transform_impl Chris@16: { Chris@16: Chris@16: typedef typename detail::make_if_::type result_type; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()( Chris@16: typename impl::expr_param e Chris@16: , typename impl::state_param s Chris@16: , typename impl::data_param d Chris@16: ) const Chris@16: { Chris@16: proto::detail::ignore_unused(e); Chris@16: proto::detail::ignore_unused(s); Chris@16: proto::detail::ignore_unused(d); Chris@16: return detail::construct(detail::as_lvalue( typename when<_, A0>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A1>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A2>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A3>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A4>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A5>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A6>::template impl()(e, s, d) )); Chris@16: } Chris@16: }; Chris@16: }; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl Chris@16: : make< Chris@16: typename detail::expand_pattern< Chris@16: proto::arity_of::value Chris@16: , A6 Chris@16: , detail::expand_pattern_rest_6< Chris@16: Object Chris@16: , A0 , A1 , A2 , A3 , A4 , A5 Chris@16: > Chris@16: >::type Chris@16: >::template impl Chris@16: {}; Chris@16: }; Chris@16: namespace detail Chris@16: { Chris@16: template< Chris@16: template class R Chris@16: , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 , typename A6 , typename A7 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: R Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(8) Chris@16: > Chris@16: : nested_type_if< Chris@16: R ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type> Chris@16: , (make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || false) Chris@16: > Chris@16: {}; Chris@16: template< Chris@16: template class R Chris@16: , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 , typename A6 , typename A7 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: noinvoke > Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(1) Chris@16: > Chris@16: { Chris@16: typedef R ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type> type; Chris@16: static bool const applied = true; Chris@16: }; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3 , A4 &a4 , A5 &a5 , A6 &a6 , A7 &a7) const Chris@16: { Chris@16: return result_type::make(a0 , a1 , a2 , a3 , a4 , a5 , a6 , a7); Chris@16: } Chris@16: }; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::basic_expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3 , A4 &a4 , A5 &a5 , A6 &a6 , A7 &a7) const Chris@16: { Chris@16: return result_type::make(a0 , a1 , a2 , a3 , a4 , a5 , a6 , a7); Chris@16: } Chris@16: }; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: Type construct(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3 , A4 &a4 , A5 &a5 , A6 &a6 , A7 &a7) Chris@16: { Chris@16: return construct_()(a0 , a1 , a2 , a3 , a4 , a5 , a6 , a7); Chris@16: } Chris@16: } Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl : transform_impl Chris@16: { Chris@16: Chris@16: typedef typename detail::make_if_::type result_type; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()( Chris@16: typename impl::expr_param e Chris@16: , typename impl::state_param s Chris@16: , typename impl::data_param d Chris@16: ) const Chris@16: { Chris@16: proto::detail::ignore_unused(e); Chris@16: proto::detail::ignore_unused(s); Chris@16: proto::detail::ignore_unused(d); Chris@16: return detail::construct(detail::as_lvalue( typename when<_, A0>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A1>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A2>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A3>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A4>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A5>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A6>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A7>::template impl()(e, s, d) )); Chris@16: } Chris@16: }; Chris@16: }; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl Chris@16: : make< Chris@16: typename detail::expand_pattern< Chris@16: proto::arity_of::value Chris@16: , A7 Chris@16: , detail::expand_pattern_rest_7< Chris@16: Object Chris@16: , A0 , A1 , A2 , A3 , A4 , A5 , A6 Chris@16: > Chris@16: >::type Chris@16: >::template impl Chris@16: {}; Chris@16: }; Chris@16: namespace detail Chris@16: { Chris@16: template< Chris@16: template class R Chris@16: , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 , typename A6 , typename A7 , typename A8 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: R Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(9) Chris@16: > Chris@16: : nested_type_if< Chris@16: R ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type> Chris@16: , (make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || false) Chris@16: > Chris@16: {}; Chris@16: template< Chris@16: template class R Chris@16: , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 , typename A6 , typename A7 , typename A8 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: noinvoke > Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(1) Chris@16: > Chris@16: { Chris@16: typedef R ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type> type; Chris@16: static bool const applied = true; Chris@16: }; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3 , A4 &a4 , A5 &a5 , A6 &a6 , A7 &a7 , A8 &a8) const Chris@16: { Chris@16: return result_type::make(a0 , a1 , a2 , a3 , a4 , a5 , a6 , a7 , a8); Chris@16: } Chris@16: }; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::basic_expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3 , A4 &a4 , A5 &a5 , A6 &a6 , A7 &a7 , A8 &a8) const Chris@16: { Chris@16: return result_type::make(a0 , a1 , a2 , a3 , a4 , a5 , a6 , a7 , a8); Chris@16: } Chris@16: }; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: Type construct(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3 , A4 &a4 , A5 &a5 , A6 &a6 , A7 &a7 , A8 &a8) Chris@16: { Chris@16: return construct_()(a0 , a1 , a2 , a3 , a4 , a5 , a6 , a7 , a8); Chris@16: } Chris@16: } Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl : transform_impl Chris@16: { Chris@16: Chris@16: typedef typename detail::make_if_::type result_type; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()( Chris@16: typename impl::expr_param e Chris@16: , typename impl::state_param s Chris@16: , typename impl::data_param d Chris@16: ) const Chris@16: { Chris@16: proto::detail::ignore_unused(e); Chris@16: proto::detail::ignore_unused(s); Chris@16: proto::detail::ignore_unused(d); Chris@16: return detail::construct(detail::as_lvalue( typename when<_, A0>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A1>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A2>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A3>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A4>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A5>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A6>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A7>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A8>::template impl()(e, s, d) )); Chris@16: } Chris@16: }; Chris@16: }; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl Chris@16: : make< Chris@16: typename detail::expand_pattern< Chris@16: proto::arity_of::value Chris@16: , A8 Chris@16: , detail::expand_pattern_rest_8< Chris@16: Object Chris@16: , A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7 Chris@16: > Chris@16: >::type Chris@16: >::template impl Chris@16: {}; Chris@16: }; Chris@16: namespace detail Chris@16: { Chris@16: template< Chris@16: template class R Chris@16: , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 , typename A6 , typename A7 , typename A8 , typename A9 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: R Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(10) Chris@16: > Chris@16: : nested_type_if< Chris@16: R ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type> Chris@16: , (make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || make_if_ ::applied || false) Chris@16: > Chris@16: {}; Chris@16: template< Chris@16: template class R Chris@16: , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 , typename A6 , typename A7 , typename A8 , typename A9 Chris@16: , typename Expr, typename State, typename Data Chris@16: > Chris@16: struct make_< Chris@16: noinvoke > Chris@16: , Expr, State, Data Chris@16: BOOST_PROTO_TEMPLATE_ARITY_PARAM(1) Chris@16: > Chris@16: { Chris@16: typedef R ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type , typename make_if_ ::type> type; Chris@16: static bool const applied = true; Chris@16: }; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct is_applyable Chris@16: : mpl::true_ Chris@16: {}; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3 , A4 &a4 , A5 &a5 , A6 &a6 , A7 &a7 , A8 &a8 , A9 &a9) const Chris@16: { Chris@16: return result_type::make(a0 , a1 , a2 , a3 , a4 , a5 , a6 , a7 , a8 , a9); Chris@16: } Chris@16: }; Chris@16: template Chris@16: struct construct_, true> Chris@16: { Chris@16: typedef proto::basic_expr result_type; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3 , A4 &a4 , A5 &a5 , A6 &a6 , A7 &a7 , A8 &a8 , A9 &a9) const Chris@16: { Chris@16: return result_type::make(a0 , a1 , a2 , a3 , a4 , a5 , a6 , a7 , a8 , a9); Chris@16: } Chris@16: }; Chris@16: template Chris@16: BOOST_FORCEINLINE Chris@16: Type construct(A0 &a0 , A1 &a1 , A2 &a2 , A3 &a3 , A4 &a4 , A5 &a5 , A6 &a6 , A7 &a7 , A8 &a8 , A9 &a9) Chris@16: { Chris@16: return construct_()(a0 , a1 , a2 , a3 , a4 , a5 , a6 , a7 , a8 , a9); Chris@16: } Chris@16: } Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl : transform_impl Chris@16: { Chris@16: Chris@16: typedef typename detail::make_if_::type result_type; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: BOOST_FORCEINLINE Chris@16: result_type operator ()( Chris@16: typename impl::expr_param e Chris@16: , typename impl::state_param s Chris@16: , typename impl::data_param d Chris@16: ) const Chris@16: { Chris@16: proto::detail::ignore_unused(e); Chris@16: proto::detail::ignore_unused(s); Chris@16: proto::detail::ignore_unused(d); Chris@16: return detail::construct(detail::as_lvalue( typename when<_, A0>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A1>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A2>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A3>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A4>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A5>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A6>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A7>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A8>::template impl()(e, s, d) ) , detail::as_lvalue( typename when<_, A9>::template impl()(e, s, d) )); Chris@16: } Chris@16: }; Chris@16: }; Chris@16: Chris@16: Chris@16: Chris@16: Chris@16: template Chris@16: struct make Chris@16: : transform > Chris@16: { Chris@16: template Chris@16: struct impl Chris@16: : make< Chris@16: typename detail::expand_pattern< Chris@16: proto::arity_of::value Chris@16: , A9 Chris@16: , detail::expand_pattern_rest_9< Chris@16: Object Chris@16: , A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7 , A8 Chris@16: > Chris@16: >::type Chris@16: >::template impl Chris@16: {}; Chris@16: };