blob: ac42e8779aadfe2ae11b6f36487e52a54b0c0cc0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/* Copyright 2003-2015 Joaquin M Lopez Munoz.
* 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/multi_index for library home page.
*/
#ifndef BOOST_MULTI_INDEX_DETAIL_VALUE_COMPARE_HPP
#define BOOST_MULTI_INDEX_DETAIL_VALUE_COMPARE_HPP
#if defined(_MSC_VER)
#pragma once
#endif
#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
#include <boost/call_traits.hpp>
namespace boost{
namespace multi_index{
namespace detail{
template<typename Value,typename KeyFromValue,typename Compare>
struct value_comparison
{
typedef Value first_argument_type;
typedef Value second_argument_type;
typedef bool result_type;
value_comparison(
const KeyFromValue& key_=KeyFromValue(),const Compare& comp_=Compare()):
key(key_),comp(comp_)
{
}
bool operator()(
typename call_traits<Value>::param_type x,
typename call_traits<Value>::param_type y)const
{
return comp(key(x),key(y));
}
private:
KeyFromValue key;
Compare comp;
};
} /* namespace multi_index::detail */
} /* namespace multi_index */
} /* namespace boost */
#endif
|
