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
|
// Copyright (C) 2015 Andrzej Krzemienski.
//
// Use, modification, and distribution is subject to 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/lib/optional for documentation.
//
// You are welcome to contact the author at:
// akrzemi1@gmail.com
#define BOOST_OPTIONAL_CONFIG_NO_RVALUE_REFERENCES
#include "boost/optional/optional.hpp"
#ifdef BOOST_BORLANDC
#pragma hdrstop
#endif
#include "boost/core/lightweight_test.hpp"
struct Wrapper
{
operator int () { return 9; }
operator boost::optional<int> () { return 7; }
};
void test()
{
#if (!defined BOOST_NO_CXX11_RVALUE_REFERENCES)
boost::optional<int> v = Wrapper();
//BOOST_TEST(v);
boost::optional<boost::optional<int>> vv;
bool xx = vv?true : false;
BOOST_TEST_EQ(*v, 7);
#endif
}
int main()
{
test();
return boost::report_errors();
}
|
