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ODR safe code

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[SVN r35275]
This commit is contained in:
Joel de Guzman
2006-09-22 13:39:27 +00:00
parent da23c8a4cc
commit a37b435ce6
22 changed files with 269 additions and 21 deletions
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19
include/boost/fusion/support/is_sequence.hpp
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@ -18,10 +18,13 @@
namespace boost { namespace fusion
{
struct non_fusion_tag;
struct array_tag; // boost::array tag
struct mpl_sequence_tag; // mpl sequence tag
struct std_pair_tag; // std::pair tag
namespace extension
{
template<typename T>
template <typename T>
struct is_sequence_impl
: is_base_and_derived<sequence_root, T>
{
@ -31,19 +34,29 @@ namespace boost { namespace fusion
{};
};
template<>
template <>
struct is_sequence_impl<non_fusion_tag>
{
template<typename T>
struct apply : mpl::false_ {};
};
template <>
struct is_sequence_impl<array_tag>;
template <>
struct is_sequence_impl<mpl_sequence_tag>;
template <>
struct is_sequence_impl<std_pair_tag>;
}
namespace traits
{
template <typename T>
struct is_sequence
: extension::is_sequence_impl<typename detail::tag_of<T>::type>::template apply<T>
: extension::is_sequence_impl<typename detail::tag_of<T>::type>::
template apply<T>
{};
}
}}