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Implement C++11 variadic templates based fusion::set

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This commit is contained in:
Kohei Takahashi
2014-11-29 23:04:29 +09:00
parent 7739e4026d
commit b4133761e8
4 changed files with 188 additions and 2 deletions
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111
include/boost/fusion/container/set/set.hpp
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@ -13,8 +13,119 @@
///////////////////////////////////////////////////////////////////////////////
// Without variadics, we will use the PP version
///////////////////////////////////////////////////////////////////////////////
#if !defined(BOOST_FUSION_HAS_VARIADIC_SET)
# include <boost/fusion/container/set/detail/cpp03/set.hpp>
#else
///////////////////////////////////////////////////////////////////////////////
// C++11 interface
///////////////////////////////////////////////////////////////////////////////
#include <boost/fusion/support/detail/access.hpp>
#include <boost/fusion/support/sequence_base.hpp>
#include <boost/fusion/support/category_of.hpp>
#include <boost/fusion/container/vector/vector.hpp>
#include <boost/fusion/container/set/detail/begin_impl.hpp>
#include <boost/fusion/container/set/detail/end_impl.hpp>
#include <boost/fusion/container/set/detail/value_of_impl.hpp>
#include <boost/fusion/container/set/detail/deref_data_impl.hpp>
#include <boost/fusion/container/set/detail/deref_impl.hpp>
#include <boost/fusion/container/set/detail/key_of_impl.hpp>
#include <boost/fusion/container/set/detail/value_of_data_impl.hpp>
#include <boost/mpl/identity.hpp>
#include <boost/mpl/bool.hpp>
namespace boost { namespace fusion
{
struct fusion_sequence_tag;
template <>
struct set<> : sequence_base<set<> >
{
struct category : forward_traversal_tag, associative_tag {};
typedef set_tag fusion_tag;
typedef fusion_sequence_tag tag; // this gets picked up by MPL
typedef mpl::false_ is_view;
typedef vector<> storage_type;
typedef storage_type::size size;
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
set()
: data() {}
template <typename Sequence>
BOOST_FUSION_GPU_ENABLED
set(Sequence const& rhs)
: data(rhs) {}
template <typename T>
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
set&
operator=(T const& rhs)
{
data = rhs;
return *this;
}
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
storage_type& get_data() { return data; }
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
storage_type const& get_data() const { return data; }
private:
storage_type data;
};
template <typename ...T>
struct set : sequence_base<set<T...> >
{
struct category : forward_traversal_tag, associative_tag {};
typedef set_tag fusion_tag;
typedef fusion_sequence_tag tag; // this gets picked up by MPL
typedef mpl::false_ is_view;
typedef vector<T...> storage_type;
typedef typename storage_type::size size;
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
set()
: data() {}
template <typename Sequence>
BOOST_FUSION_GPU_ENABLED
set(Sequence const& rhs)
: data(rhs) {}
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
explicit
set(typename detail::call_param<T>::type ...args)
: data(args...) {}
template <typename U>
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
set&
operator=(U const& rhs)
{
data = rhs;
return *this;
}
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
storage_type& get_data() { return data; }
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
storage_type const& get_data() const { return data; }
private:
storage_type data;
};
}}
#endif
#endif