blob: 59bf83d4c01bd43ba2dba8c11fbc25d0656006ea (
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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
//Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc.
//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)
#ifndef UUID_7E48761AD92811DC9011477D56D89593
#define UUID_7E48761AD92811DC9011477D56D89593
#if defined(__GNUC__) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
#pragma GCC system_header
#endif
#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
#pragma warning(push,1)
#endif
#include <boost/utility/enable_if.hpp>
#include <boost/exception/detail/is_output_streamable.hpp>
#include <sstream>
namespace
boost
{
namespace
to_string_detail
{
template <class T>
typename disable_if<is_output_streamable<T>,char>::type to_string( T const & );
template <class,bool IsOutputStreamable>
struct has_to_string_impl;
template <class T>
struct
has_to_string_impl<T,true>
{
enum e { value=1 };
};
template <class T>
struct
has_to_string_impl<T,false>
{
static T const & f();
enum e { value=1!=sizeof(to_string(f())) };
};
}
template <class T>
inline
typename enable_if<is_output_streamable<T>,std::string>::type
to_string( T const & x )
{
std::ostringstream out;
out << x;
return out.str();
}
template <class T>
struct
has_to_string
{
enum e { value=to_string_detail::has_to_string_impl<T,is_output_streamable<T>::value>::value };
};
template <class T,class U>
inline
std::string
to_string( std::pair<T,U> const & x )
{
return std::string("(") + to_string(x.first) + ',' + to_string(x.second) + ')';
}
inline
std::string
to_string( std::exception const & x )
{
return x.what();
}
}
#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
#pragma warning(pop)
#endif
#endif
|
