diff options
Diffstat (limited to 'boost/bimap/relation')
| -rw-r--r-- | boost/bimap/relation/support/data_extractor.hpp | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/boost/bimap/relation/support/data_extractor.hpp b/boost/bimap/relation/support/data_extractor.hpp index 10ec29862e..a7e7f32d5d 100644 --- a/boost/bimap/relation/support/data_extractor.hpp +++ b/boost/bimap/relation/support/data_extractor.hpp @@ -19,7 +19,6 @@ #include <boost/config.hpp> #include <boost/bimap/relation/detail/metadata_access_builder.hpp> -#include <functional> /** \struct boost::bimaps::relation::support::data_extractor @@ -39,9 +38,11 @@ template< class Tag, class Relation > struct data_extractor_implementation; template< class Relation > -struct data_extractor_implementation< member_at::left, Relation > : - public std::unary_function<Relation,BOOST_DEDUCED_TYPENAME Relation::left_value_type> +struct data_extractor_implementation< member_at::left, Relation > { + typedef Relation argument_type; + typedef BOOST_DEDUCED_TYPENAME Relation::left_value_type result_type; + BOOST_DEDUCED_TYPENAME Relation::left_value_type const & operator()(Relation const & rel) const { @@ -56,9 +57,11 @@ struct data_extractor_implementation< member_at::left, Relation > : }; template< class Relation > -struct data_extractor_implementation< member_at::right, Relation > : - public std::unary_function<Relation,BOOST_DEDUCED_TYPENAME Relation::right_value_type> +struct data_extractor_implementation< member_at::right, Relation > { + typedef Relation argument_type; + typedef BOOST_DEDUCED_TYPENAME Relation::right_value_type result_type; + BOOST_DEDUCED_TYPENAME Relation::right_value_type const & operator()(Relation const & rel) const { |