ceph/src/boost/libs/python/include/boost/python/detail/map_entry.hpp

   1 // Copyright David Abrahams 2002.
   2 // Distributed under the Boost Software License, Version 1.0. (See
   3 // accompanying file LICENSE_1_0.txt or copy at
   4 // http://www.boost.org/LICENSE_1_0.txt)
   5 #ifndef MAP_ENTRY_DWA2002118_HPP
   6 # define MAP_ENTRY_DWA2002118_HPP
   7
   8 namespace boost { namespace python { namespace detail {
   9
  10 // A trivial type that works well as the value_type of associative
  11 // vector maps
  12 template <class Key, class Value>
  13 struct map_entry
  14 {
  15     map_entry() {}
  16     map_entry(Key k) : key(k), value() {}
  17     map_entry(Key k, Value v) : key(k), value(v) {}
  18
  19     bool operator<(map_entry const& rhs) const
  20     {
  21         return this->key < rhs.key;
  22     }
  23
  24     Key key;
  25     Value value;
  26 };
  27
  28 template <class Key, class Value>
  29 bool operator<(map_entry<Key,Value> const& e, Key const& k)
  30 {
  31     return e.key < k;
  32 }
  33
  34 template <class Key, class Value>
  35 bool operator<(Key const& k, map_entry<Key,Value> const& e)
  36 {
  37     return k < e.key;
  38 }
  39
  40
  41 }}} // namespace boost::python::detail
  42
  43 #endif // MAP_ENTRY_DWA2002118_HPP