source: NonGTP/Boost/boost/functional/hash/set.hpp @ 857

Revision 857, 1.6 KB checked in by igarcia, 19 years ago (diff)
RevLine 
[857]1
2//  (C) Copyright Daniel James 2005.
3//  Use, modification and distribution are subject to the
4//  Boost Software License, Version 1.0. (See accompanying file
5//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6//
7//  Based on Peter Dimov's proposal
8//  http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf
9//  issue 6.18.
10
11#if !defined(BOOST_FUNCTIONAL_HASH_SET_HPP)
12#define BOOST_FUNCTIONAL_HASH_SET_HPP
13
14#if defined(_MSC_VER) && (_MSC_VER >= 1020)
15# pragma once
16#endif
17
18#include <boost/config.hpp>
19#include <set>
20#include <boost/functional/hash/hash.hpp>
21
22namespace boost
23{
24    template <class K, class C, class A>
25    std::size_t hash_value(std::set<K, C, A> const& v)
26    {
27        return hash_range(v.begin(), v.end());
28    }
29
30    template <class K, class C, class A>
31    std::size_t hash_value(std::multiset<K, C, A> const& v)
32    {
33        return hash_range(v.begin(), v.end());
34    }
35
36#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
37    namespace hash_detail
38    {
39        template <class K, class C, class A>
40        struct call_hash<std::set<K, C, A> >
41        {
42            static std::size_t call(std::set<K, C, A> const& val)
43            {
44                return boost::hash_value(val);
45            }
46        };
47
48        template <class K, class C, class A>
49        struct call_hash<std::multiset<K, C, A> >
50        {
51            static std::size_t call(std::multiset<K, C, A> const& val)
52            {
53                return boost::hash_value(val);
54            }
55        };
56    }
57#endif
58}
59
60#endif
61
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