diff options
Diffstat (limited to 'boost/variant/recursive_wrapper_fwd.hpp')
| -rw-r--r-- | boost/variant/recursive_wrapper_fwd.hpp | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/boost/variant/recursive_wrapper_fwd.hpp b/boost/variant/recursive_wrapper_fwd.hpp index cf0395920b..b46774d92c 100644 --- a/boost/variant/recursive_wrapper_fwd.hpp +++ b/boost/variant/recursive_wrapper_fwd.hpp @@ -16,11 +16,8 @@ #define BOOST_VARIANT_RECURSIVE_WRAPPER_FWD_HPP #include "boost/mpl/aux_/config/ctps.hpp" - #include "boost/mpl/aux_/lambda_support.hpp" - -// should be the last #include -#include "boost/type_traits/detail/bool_trait_def.hpp" +#include <boost/type_traits/integral_constant.hpp> namespace boost { @@ -66,11 +63,12 @@ struct is_recursive_wrapper_impl< recursive_wrapper<T> > } // namespace detail -BOOST_TT_AUX_BOOL_TRAIT_DEF1( - is_recursive_wrapper - , T - , (::boost::detail::is_recursive_wrapper_impl<T>::value) - ) +template< typename T > struct is_recursive_wrapper + : public ::boost::integral_constant<bool,(::boost::detail::is_recursive_wrapper_impl<T>::value)> +{ +public: + BOOST_MPL_AUX_LAMBDA_SUPPORT(1,is_recursive_wrapper,(T)) +}; /////////////////////////////////////////////////////////////////////////////// // metafunction unwrap_recursive @@ -98,6 +96,4 @@ struct unwrap_recursive< recursive_wrapper<T> > } // namespace boost -#include "boost/type_traits/detail/bool_trait_undef.hpp" - #endif // BOOST_VARIANT_RECURSIVE_WRAPPER_FWD_HPP |