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 {
map_entryboost::python::detail::map_entry15     map_entry() {}
map_entryboost::python::detail::map_entry16     map_entry(Key k) : key(k), value() {}
map_entryboost::python::detail::map_entry17     map_entry(Key k, Value v) : key(k), value(v) {}
18 
operator <boost::python::detail::map_entry19     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>
operator <(map_entry<Key,Value> const & e,Key const & k)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>
operator <(Key const & k,map_entry<Key,Value> const & e)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
44