1 // Copyright (C) 2015 Andrzej Krzemienski.
2 //
3 // Use, modification, and distribution is subject to the Boost Software
4 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
5 // http://www.boost.org/LICENSE_1_0.txt)
6 //
7 // See http://www.boost.org/lib/optional for documentation.
8 //
9 // You are welcome to contact the author at:
10 //  [email protected]
11 
12 #define BOOST_OPTIONAL_CONFIG_NO_RVALUE_REFERENCES
13 #include "boost/optional/optional.hpp"
14 
15 #ifdef BOOST_BORLANDC
16 #pragma hdrstop
17 #endif
18 
19 #include "boost/core/lightweight_test.hpp"
20 
21 
22 struct Wrapper
23 {
operator intWrapper24   operator int () { return 9; }
operator boost::optional<int>Wrapper25   operator boost::optional<int> () { return 7; }
26 };
27 
test()28 void test()
29 {
30 #if (!defined BOOST_NO_CXX11_RVALUE_REFERENCES)
31   boost::optional<int> v = Wrapper();
32   BOOST_TEST(v);
33   BOOST_TEST_EQ(*v, 7);
34 #endif
35 }
36 
main()37 int main()
38 {
39   test();
40   return boost::report_errors();
41 }