123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181 |
- // Boost.Bimap
- //
- // Copyright (c) 2006-2007 Matias Capeletto
- //
- // Distributed under the Boost Software License, Version 1.0.
- // (See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- /// \file relation/support/is_tag_of_member_at.hpp
- /// \brief is_tag_of_member_at<tag,relation> metafunction
- #ifndef BOOST_BIMAP_RELATION_SUPPORT_IS_TAG_OF_MEMBER_AT_HPP
- #define BOOST_BIMAP_RELATION_SUPPORT_IS_TAG_OF_MEMBER_AT_HPP
- #if defined(_MSC_VER)
- #pragma once
- #endif
- #include <boost/config.hpp>
- #include <boost/bimap/relation/member_at.hpp>
- #include <boost/type_traits/is_same.hpp>
- #include <boost/mpl/bool.hpp>
- #include <boost/utility/enable_if.hpp>
- #include <boost/bimap/relation/support/member_with_tag.hpp>
- /** \struct boost::bimaps::relation::support::is_tag_of_member_at_left
- \brief Metafunction to test if a user tag is refering to the left member.
- \code
- template< class Tag, class Relation >
- struct is_tag_of_member_at_left : {true_|false_} {};
- \endcode
- This metafunction is somewhat redundant with member_with_tag, but it is included
- because it is a lot easier to metaprogram with it. The result type is the
- same that:
- \code
- is_same< member_with_tag<Tag,Relation>::type , member_at::left >::type
- \endcode
- See also member_with_tag, member_at, is_tag_of_member_at_right.
- \ingroup relation_group
- **/
- /** \struct boost::bimaps::relation::support::is_tag_of_member_at_right
- \brief Metafunction to test if a user tag is refering to the left member.
- \code
- template< class Tag, class Relation >
- struct is_tag_of_member_at_right : {true_|false_} {};
- \endcode
- This metafunction is somewhat redundat with member_with_tag, but it is included
- because it is a lot easier to metaprogram with it. The result type is the
- same that:
- \code
- is_same< member_with_tag<Tag,Relation>::type , member_at::right >::type
- \endcode
- See also member_with_tag, member_at, is_tag_of_member_at_left.
- \ingroup relation_group
- **/
- #ifndef BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES
- namespace boost {
- namespace bimaps {
- namespace relation {
- namespace support {
- // Metafunction is_tag_of_member_at_left
- // Easiear metaprogramming
- template
- <
- class Tag,
- class Relation,
- class Enable = void
- >
- struct is_tag_of_member_at_left :
- ::boost::mpl::false_ {};
- template< class Tag, class Relation >
- struct is_tag_of_member_at_left
- <
- Tag, Relation,
- BOOST_DEDUCED_TYPENAME enable_if
- <
- is_same
- <
- BOOST_DEDUCED_TYPENAME member_with_tag<Tag,Relation>::type,
- member_at::left
- >
- >::type
- > :
- ::boost::mpl::true_ {};
- // Metafunction is_tag_of_member_at_right
- // Easiear metaprogramming
- template
- <
- class Tag,
- class Relation,
- class Enable = void
- >
- struct is_tag_of_member_at_right :
- ::boost::mpl::false_ {};
- template< class Tag, class Relation >
- struct is_tag_of_member_at_right
- <
- Tag, Relation,
- BOOST_DEDUCED_TYPENAME enable_if
- <
- is_same
- <
- BOOST_DEDUCED_TYPENAME member_with_tag<Tag,Relation>::type,
- member_at::right
- >
- >::type
- > :
- ::boost::mpl::true_ {};
- // Metafunction is_tag_of_member_at_info
- // Easiear metaprogramming
- template
- <
- class Tag,
- class Relation,
- class Enable = void
- >
- struct is_tag_of_member_at_info :
- ::boost::mpl::false_ {};
- template< class Tag, class Relation >
- struct is_tag_of_member_at_info
- <
- Tag, Relation,
- BOOST_DEDUCED_TYPENAME enable_if
- <
- is_same
- <
- BOOST_DEDUCED_TYPENAME member_with_tag<Tag,Relation>::type,
- member_at::info
- >
- >::type
- > :
- ::boost::mpl::true_ {};
- } // namespace support
- } // namespace relation
- } // namespace bimaps
- } // namespace boost
- #endif // BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES
- #endif // BOOST_BIMAP_RELATION_SUPPORT_IS_TAG_OF_MEMBER_AT_HPP
|