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/*=============================================================================
Copyright (c) 2001-2006 Joel de Guzman
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(FUSION_VECTOR_07072005_1244)
#define FUSION_VECTOR_07072005_1244
#include <boost/fusion/container/vector/vector_fwd.hpp>
#include <boost/fusion/container/vector/detail/vector_n_chooser.hpp>
#include <boost/fusion/sequence/intrinsic/begin.hpp>
#include <boost/mpl/at.hpp>
#include <boost/mpl/bool.hpp>
#include <boost/type_traits/add_reference.hpp>
#include <boost/type_traits/add_const.hpp>
#include <boost/type_traits/is_base_of.hpp>
#include <boost/detail/workaround.hpp>
namespace boost { namespace fusion
{
struct void_;
struct fusion_sequence_tag;
template <BOOST_PP_ENUM_PARAMS(FUSION_MAX_VECTOR_SIZE, typename T)>
struct vector
: sequence_base<vector<BOOST_PP_ENUM_PARAMS(FUSION_MAX_VECTOR_SIZE, T)> >
{
private:
typedef typename detail::vector_n_chooser<
BOOST_PP_ENUM_PARAMS(FUSION_MAX_VECTOR_SIZE, T)>::type
vector_n;
template <BOOST_PP_ENUM_PARAMS(FUSION_MAX_VECTOR_SIZE, typename U)>
friend struct vector;
public:
typedef typename vector_n::types types;
typedef typename vector_n::fusion_tag fusion_tag;
typedef typename vector_n::tag tag;
typedef typename vector_n::size size;
typedef typename vector_n::category category;
typedef typename vector_n::is_view is_view;
vector()
: vec() {}
template <BOOST_PP_ENUM_PARAMS(FUSION_MAX_VECTOR_SIZE, typename U)>
vector(vector<BOOST_PP_ENUM_PARAMS(FUSION_MAX_VECTOR_SIZE, U)> const& rhs)
: vec(rhs.vec) {}
vector(vector const& rhs)
: vec(rhs.vec) {}
template <typename Sequence>
vector(Sequence const& rhs)
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1600)
: vec(ctor_helper(rhs, is_base_of<vector, Sequence>())) {}
#else
: vec(rhs) {}
#endif
// Expand a couple of forwarding constructors for arguments
// of type (T0), (T0, T1), (T0, T1, T2) etc. Example:
//
// vector(
// typename detail::call_param<T0>::type _0
// , typename detail::call_param<T1>::type _1)
// : vec(_0, _1) {}
#include <boost/fusion/container/vector/detail/vector_forward_ctor.hpp>
template <BOOST_PP_ENUM_PARAMS(FUSION_MAX_VECTOR_SIZE, typename U)>
vector&
operator=(vector<BOOST_PP_ENUM_PARAMS(FUSION_MAX_VECTOR_SIZE, U)> const& rhs)
{
vec = rhs.vec;
return *this;
}
template <typename T>
vector&
operator=(T const& rhs)
{
vec = rhs;
return *this;
}
template <int N>
typename add_reference<
typename mpl::at_c<types, N>::type
>::type
at_impl(mpl::int_<N> index)
{
return vec.at_impl(index);
}
template <int N>
typename add_reference<
typename add_const<
typename mpl::at_c<types, N>::type
>::type
>::type
at_impl(mpl::int_<N> index) const
{
return vec.at_impl(index);
}
template <typename I>
typename add_reference<
typename mpl::at<types, I>::type
>::type
at_impl(I /*index*/)
{
return vec.at_impl(mpl::int_<I::value>());
}
template<typename I>
typename add_reference<
typename add_const<
typename mpl::at<types, I>::type
>::type
>::type
at_impl(I /*index*/) const
{
return vec.at_impl(mpl::int_<I::value>());
}
private:
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1600)
static vector_n const&
ctor_helper(vector const& rhs, mpl::true_)
{
return rhs.vec;
}
template <typename T>
static T const&
ctor_helper(T const& rhs, mpl::false_)
{
return rhs;
}
#endif
vector_n vec;
};
}}
#endif
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Swift