1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // test move
11 
12 #include <utility>
13 #include <cassert>
14 
15 #include <typeinfo>
16 #include <stdio.h>
17 
18 class move_only
19 {
20 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
21     move_only(const move_only&);
22     move_only& operator=(const move_only&);
23 #else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
24     move_only(move_only&);
25     move_only& operator=(move_only&);
26 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
27 
28 public:
29 
30 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
move_only(move_only &&)31     move_only(move_only&&) {}
operator =(move_only &&)32     move_only& operator=(move_only&&) {}
33 #else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
34     operator std::__rv<move_only> () {return std::__rv<move_only>(*this);}
35     move_only(std::__rv<move_only>) {}
36 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
37 
move_only()38     move_only() {}
39 };
40 
source()41 move_only source() {return move_only();}
csource()42 const move_only csource() {return move_only();}
43 
test(move_only)44 void test(move_only) {}
45 
main()46 int main()
47 {
48     move_only a;
49     const move_only ca = move_only();
50 
51     test(ca);
52 }
53