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#if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES)
#include <boost/proto/detail/preprocessed/vararg_matches_impl.hpp>
#elif !defined(BOOST_PP_IS_ITERATING)
#if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
#pragma wave option(preserve: 2, line: 0, output: "preprocessed/vararg_matches_impl.hpp")
#endif
///////////////////////////////////////////////////////////////////////////////
/// \file vararg_matches_impl.hpp
/// Specializations of the vararg_matches_impl template
//
// Copyright 2008 Eric Niebler. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
#pragma wave option(preserve: 1)
#endif
#define BOOST_PP_ITERATION_PARAMS_1 \
(3, (2, BOOST_PROTO_MAX_ARITY, <boost/proto/detail/vararg_matches_impl.hpp>))
#include BOOST_PP_ITERATE()
#if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
#pragma wave option(output: null)
#endif
#else // BOOST_PP_IS_ITERATING
#define N BOOST_PP_ITERATION()
template<typename Args, typename Back, long To>
struct vararg_matches_impl<Args, Back, N, To>
: and_2<
matches_<
typename detail::expr_traits<typename Args::BOOST_PP_CAT(child, BOOST_PP_DEC(N))>::value_type::proto_derived_expr
, typename detail::expr_traits<typename Args::BOOST_PP_CAT(child, BOOST_PP_DEC(N))>::value_type::proto_grammar
, Back
>::value
, vararg_matches_impl<Args, Back, N + 1, To>
>
{};
template<typename Args, typename Back>
struct vararg_matches_impl<Args, Back, N, N>
: matches_<
typename detail::expr_traits<typename Args::BOOST_PP_CAT(child, BOOST_PP_DEC(N))>::value_type::proto_derived_expr
, typename detail::expr_traits<typename Args::BOOST_PP_CAT(child, BOOST_PP_DEC(N))>::value_type::proto_grammar
, Back
>
{};
#undef N
#endif
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Swift