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Diffstat (limited to 'boost/container/detail/pair_key_mapped_of_value.hpp')
| -rw-r--r-- | boost/container/detail/pair_key_mapped_of_value.hpp | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/boost/container/detail/pair_key_mapped_of_value.hpp b/boost/container/detail/pair_key_mapped_of_value.hpp new file mode 100644 index 0000000000..6112b87826 --- /dev/null +++ b/boost/container/detail/pair_key_mapped_of_value.hpp @@ -0,0 +1,55 @@ +////////////////////////////////////////////////////////////////////////////// +// +// (C) Copyright Ion Gaztanaga 2005-2013. 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) +// +// See http://www.boost.org/libs/container for documentation. +// +////////////////////////////////////////////////////////////////////////////// +#ifndef BOOST_CONTAINER_PAIR_KEY_MAPPED_OF_VALUE_HPP +#define BOOST_CONTAINER_PAIR_KEY_MAPPED_OF_VALUE_HPP + +#ifndef BOOST_CONFIG_HPP +# include <boost/config.hpp> +#endif + +#if defined(BOOST_HAS_PRAGMA_ONCE) +# pragma once +#endif + +#include <boost/container/detail/config_begin.hpp> +#include <boost/container/detail/workaround.hpp> + +namespace boost { +namespace container { + +template<class Key, class Mapped> +struct pair_key_mapped_of_value +{ + typedef Key key_type; + typedef Mapped mapped_type; + + template<class Pair> + const key_type & key_of_value(const Pair &p) const + { return p.first; } + + template<class Pair> + const mapped_type & mapped_of_value(const Pair &p) const + { return p.second; } + + template<class Pair> + key_type & key_of_value(Pair &p) const + { return const_cast<key_type&>(p.first); } + + template<class Pair> + mapped_type & mapped_of_value(Pair &p) const + { return p.second; } + +}; + +}} + +#include <boost/container/detail/config_end.hpp> + +#endif // BOOST_CONTAINER_PAIR_KEY_MAPPED_OF_VALUE_HPP |