blob: 0d5cd03a7490f67671e4bddc1ebdb4e232646823 (
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
57
58
59
60
61
62
|
#ifndef BOOST_BIND_ARG_HPP_INCLUDED
#define BOOST_BIND_ARG_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// bind/arg.hpp
//
// Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
//
// 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/bind/bind.html for documentation.
//
#include <boost/config.hpp>
#include <boost/is_placeholder.hpp>
namespace boost
{
template< int I > struct arg
{
arg()
{
}
template< class T > arg( T const & /* t */ )
{
// static assert I == is_placeholder<T>::value
typedef char T_must_be_placeholder[ I == is_placeholder<T>::value? 1: -1 ];
}
};
template< int I > bool operator==( arg<I> const &, arg<I> const & )
{
return true;
}
#if !defined( BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION )
template< int I > struct is_placeholder< arg<I> >
{
enum _vt { value = I };
};
template< int I > struct is_placeholder< arg<I> (*) () >
{
enum _vt { value = I };
};
#endif
} // namespace boost
#endif // #ifndef BOOST_BIND_ARG_HPP_INCLUDED
|