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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 |