diff options
Diffstat (limited to 'boost/mpl/empty_base.hpp')
| -rw-r--r-- | boost/mpl/empty_base.hpp | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/boost/mpl/empty_base.hpp b/boost/mpl/empty_base.hpp index a5841cf17a..cb56ef676c 100644 --- a/boost/mpl/empty_base.hpp +++ b/boost/mpl/empty_base.hpp @@ -17,12 +17,11 @@ #include <boost/mpl/bool.hpp> #include <boost/mpl/aux_/config/msvc.hpp> #include <boost/mpl/aux_/config/workaround.hpp> +#include <boost/mpl/aux_/lambda_support.hpp> +#include <boost/type_traits/integral_constant.hpp> #include <boost/type_traits/is_empty.hpp> -// should be always the last #include directive -#include <boost/type_traits/detail/bool_trait_def.hpp> - namespace boost { namespace mpl { // empty base class, guaranteed to have no members; inheritance from @@ -51,9 +50,14 @@ struct is_empty_base<empty_base> }} namespace boost { -BOOST_TT_AUX_BOOL_TRAIT_SPEC1(is_empty, mpl::empty_base, true) -} -#include <boost/type_traits/detail/bool_trait_undef.hpp> +template<> struct is_empty< mpl::empty_base > + : public ::boost::integral_constant<bool,true> +{ +public: + BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(1,is_empty,(mpl::empty_base)) +}; + +} #endif // BOOST_MPL_EMPTY_BASE_HPP_INCLUDED |