boost/fusion/container/vector/detail/vector_forward_ctor.hpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2011 Joel de Guzman
   3
   4     Distributed under the Boost Software License, Version 1.0. (See accompanying
   5     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 ==============================================================================*/
   7 #ifndef BOOST_PP_IS_ITERATING
   8 #if !defined(FUSION_VECTOR_FORWARD_CTOR_07122005_1123)
   9 #define FUSION_VECTOR_FORWARD_CTOR_07122005_1123
  10
  11 #include <boost/preprocessor/iterate.hpp>
  12 #include <boost/preprocessor/repetition/enum_params.hpp>
  13 #include <boost/preprocessor/repetition/enum_binary_params.hpp>
  14
  15 #define FUSION_FORWARD_CTOR_FORWARD(z, n, _)    std::forward<U##n>(_##n)
  16
  17 #define BOOST_PP_FILENAME_1 \
  18     <boost/fusion/container/vector/detail/vector_forward_ctor.hpp>
  19 #define BOOST_PP_ITERATION_LIMITS (1, FUSION_MAX_VECTOR_SIZE)
  20 #include BOOST_PP_ITERATE()
  21
  22 #undef FUSION_FORWARD_CTOR_FORWARD
  23 #endif
  24 #else // defined(BOOST_PP_IS_ITERATING)
  25 ///////////////////////////////////////////////////////////////////////////////
  26 //
  27 //  Preprocessor vertical repetition code
  28 //
  29 ///////////////////////////////////////////////////////////////////////////////
  30
  31 #define N BOOST_PP_ITERATION()
  32
  33 #if N == 1
  34     explicit
  35 #endif
  36     vector(BOOST_PP_ENUM_BINARY_PARAMS(
  37         N, typename detail::call_param<T, >::type _))
  38         : vec(BOOST_PP_ENUM_PARAMS(N, _)) {}
  39
  40 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
  41     template <BOOST_PP_ENUM_PARAMS(N, typename U)>
  42 #if N == 1
  43     explicit
  44 #endif
  45     vector(BOOST_PP_ENUM_BINARY_PARAMS(N, U, && _))
  46         : vec(BOOST_PP_ENUM(N, FUSION_FORWARD_CTOR_FORWARD, _)) {}
  47 #endif
  48
  49 #undef N
  50 #endif // defined(BOOST_PP_IS_ITERATING)
  51