boost/proto/transform/detail/preprocessed/expand_pack.hpp
///////////////////////////////////////////////////////////////////////////////
/// \file expand_pack.hpp
/// Contains helpers for pseudo-pack expansion.
//
// Copyright 2012 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)
template<typename Tfx, typename Ret >
struct expand_pattern_helper<Tfx, Ret()>
{
typedef Ret (*type)();
typedef mpl::bool_< false> applied;
};
template<typename Tfx, typename Ret , typename A0>
struct expand_pattern_helper<Tfx, Ret(A0)>
{
typedef Ret (*type)(typename expand_pattern_helper<Tfx, A0>::type);
typedef mpl::bool_<expand_pattern_helper<Tfx, A0>::applied::value || false> applied;
};
template<typename Tfx, typename Ret , typename A0 , typename A1>
struct expand_pattern_helper<Tfx, Ret(A0 , A1)>
{
typedef Ret (*type)(typename expand_pattern_helper<Tfx, A0>::type , typename expand_pattern_helper<Tfx, A1>::type);
typedef mpl::bool_<expand_pattern_helper<Tfx, A0>::applied::value || expand_pattern_helper<Tfx, A1>::applied::value || false> applied;
};
template<typename Tfx, typename Ret , typename A0 , typename A1 , typename A2>
struct expand_pattern_helper<Tfx, Ret(A0 , A1 , A2)>
{
typedef Ret (*type)(typename expand_pattern_helper<Tfx, A0>::type , typename expand_pattern_helper<Tfx, A1>::type , typename expand_pattern_helper<Tfx, A2>::type);
typedef mpl::bool_<expand_pattern_helper<Tfx, A0>::applied::value || expand_pattern_helper<Tfx, A1>::applied::value || expand_pattern_helper<Tfx, A2>::applied::value || false> applied;
};
template<typename Tfx, typename Ret , typename A0 , typename A1 , typename A2 , typename A3>
struct expand_pattern_helper<Tfx, Ret(A0 , A1 , A2 , A3)>
{
typedef Ret (*type)(typename expand_pattern_helper<Tfx, A0>::type , typename expand_pattern_helper<Tfx, A1>::type , typename expand_pattern_helper<Tfx, A2>::type , typename expand_pattern_helper<Tfx, A3>::type);
typedef mpl::bool_<expand_pattern_helper<Tfx, A0>::applied::value || expand_pattern_helper<Tfx, A1>::applied::value || expand_pattern_helper<Tfx, A2>::applied::value || expand_pattern_helper<Tfx, A3>::applied::value || false> applied;
};
template<typename Tfx, typename Ret , typename A0 , typename A1 , typename A2 , typename A3 , typename A4>
struct expand_pattern_helper<Tfx, Ret(A0 , A1 , A2 , A3 , A4)>
{
typedef Ret (*type)(typename expand_pattern_helper<Tfx, A0>::type , typename expand_pattern_helper<Tfx, A1>::type , typename expand_pattern_helper<Tfx, A2>::type , typename expand_pattern_helper<Tfx, A3>::type , typename expand_pattern_helper<Tfx, A4>::type);
typedef mpl::bool_<expand_pattern_helper<Tfx, A0>::applied::value || expand_pattern_helper<Tfx, A1>::applied::value || expand_pattern_helper<Tfx, A2>::applied::value || expand_pattern_helper<Tfx, A3>::applied::value || expand_pattern_helper<Tfx, A4>::applied::value || false> applied;
};
template<typename Tfx, typename Ret , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5>
struct expand_pattern_helper<Tfx, Ret(A0 , A1 , A2 , A3 , A4 , A5)>
{
typedef Ret (*type)(typename expand_pattern_helper<Tfx, A0>::type , typename expand_pattern_helper<Tfx, A1>::type , typename expand_pattern_helper<Tfx, A2>::type , typename expand_pattern_helper<Tfx, A3>::type , typename expand_pattern_helper<Tfx, A4>::type , typename expand_pattern_helper<Tfx, A5>::type);
typedef mpl::bool_<expand_pattern_helper<Tfx, A0>::applied::value || expand_pattern_helper<Tfx, A1>::applied::value || expand_pattern_helper<Tfx, A2>::applied::value || expand_pattern_helper<Tfx, A3>::applied::value || expand_pattern_helper<Tfx, A4>::applied::value || expand_pattern_helper<Tfx, A5>::applied::value || false> applied;
};
template<typename Tfx, typename Ret , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 , typename A6>
struct expand_pattern_helper<Tfx, Ret(A0 , A1 , A2 , A3 , A4 , A5 , A6)>
{
typedef Ret (*type)(typename expand_pattern_helper<Tfx, A0>::type , typename expand_pattern_helper<Tfx, A1>::type , typename expand_pattern_helper<Tfx, A2>::type , typename expand_pattern_helper<Tfx, A3>::type , typename expand_pattern_helper<Tfx, A4>::type , typename expand_pattern_helper<Tfx, A5>::type , typename expand_pattern_helper<Tfx, A6>::type);
typedef mpl::bool_<expand_pattern_helper<Tfx, A0>::applied::value || expand_pattern_helper<Tfx, A1>::applied::value || expand_pattern_helper<Tfx, A2>::applied::value || expand_pattern_helper<Tfx, A3>::applied::value || expand_pattern_helper<Tfx, A4>::applied::value || expand_pattern_helper<Tfx, A5>::applied::value || expand_pattern_helper<Tfx, A6>::applied::value || false> applied;
};
template<typename Tfx, typename Ret , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 , typename A6 , typename A7>
struct expand_pattern_helper<Tfx, Ret(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7)>
{
typedef Ret (*type)(typename expand_pattern_helper<Tfx, A0>::type , typename expand_pattern_helper<Tfx, A1>::type , typename expand_pattern_helper<Tfx, A2>::type , typename expand_pattern_helper<Tfx, A3>::type , typename expand_pattern_helper<Tfx, A4>::type , typename expand_pattern_helper<Tfx, A5>::type , typename expand_pattern_helper<Tfx, A6>::type , typename expand_pattern_helper<Tfx, A7>::type);
typedef mpl::bool_<expand_pattern_helper<Tfx, A0>::applied::value || expand_pattern_helper<Tfx, A1>::applied::value || expand_pattern_helper<Tfx, A2>::applied::value || expand_pattern_helper<Tfx, A3>::applied::value || expand_pattern_helper<Tfx, A4>::applied::value || expand_pattern_helper<Tfx, A5>::applied::value || expand_pattern_helper<Tfx, A6>::applied::value || expand_pattern_helper<Tfx, A7>::applied::value || false> applied;
};
template<typename Tfx, typename Ret , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 , typename A6 , typename A7 , typename A8>
struct expand_pattern_helper<Tfx, Ret(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7 , A8)>
{
typedef Ret (*type)(typename expand_pattern_helper<Tfx, A0>::type , typename expand_pattern_helper<Tfx, A1>::type , typename expand_pattern_helper<Tfx, A2>::type , typename expand_pattern_helper<Tfx, A3>::type , typename expand_pattern_helper<Tfx, A4>::type , typename expand_pattern_helper<Tfx, A5>::type , typename expand_pattern_helper<Tfx, A6>::type , typename expand_pattern_helper<Tfx, A7>::type , typename expand_pattern_helper<Tfx, A8>::type);
typedef mpl::bool_<expand_pattern_helper<Tfx, A0>::applied::value || expand_pattern_helper<Tfx, A1>::applied::value || expand_pattern_helper<Tfx, A2>::applied::value || expand_pattern_helper<Tfx, A3>::applied::value || expand_pattern_helper<Tfx, A4>::applied::value || expand_pattern_helper<Tfx, A5>::applied::value || expand_pattern_helper<Tfx, A6>::applied::value || expand_pattern_helper<Tfx, A7>::applied::value || expand_pattern_helper<Tfx, A8>::applied::value || false> applied;
};
template<typename Tfx, typename Ret , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 , typename A6 , typename A7 , typename A8 , typename A9>
struct expand_pattern_helper<Tfx, Ret(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7 , A8 , A9)>
{
typedef Ret (*type)(typename expand_pattern_helper<Tfx, A0>::type , typename expand_pattern_helper<Tfx, A1>::type , typename expand_pattern_helper<Tfx, A2>::type , typename expand_pattern_helper<Tfx, A3>::type , typename expand_pattern_helper<Tfx, A4>::type , typename expand_pattern_helper<Tfx, A5>::type , typename expand_pattern_helper<Tfx, A6>::type , typename expand_pattern_helper<Tfx, A7>::type , typename expand_pattern_helper<Tfx, A8>::type , typename expand_pattern_helper<Tfx, A9>::type);
typedef mpl::bool_<expand_pattern_helper<Tfx, A0>::applied::value || expand_pattern_helper<Tfx, A1>::applied::value || expand_pattern_helper<Tfx, A2>::applied::value || expand_pattern_helper<Tfx, A3>::applied::value || expand_pattern_helper<Tfx, A4>::applied::value || expand_pattern_helper<Tfx, A5>::applied::value || expand_pattern_helper<Tfx, A6>::applied::value || expand_pattern_helper<Tfx, A7>::applied::value || expand_pattern_helper<Tfx, A8>::applied::value || expand_pattern_helper<Tfx, A9>::applied::value || false> applied;
};
