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 class move_only 16 { 17 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 18 move_only(const move_only&); 19 move_only& operator=(const move_only&); 20 #else // _LIBCPP_HAS_NO_RVALUE_REFERENCES 21 move_only(move_only&); 22 move_only& operator=(move_only&); 23 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 24 25 public: 26 27 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 28 move_only(move_only&&) {} 29 move_only& operator=(move_only&&) {} 30 #else // _LIBCPP_HAS_NO_RVALUE_REFERENCES 31 operator std::__rv<move_only> () {return std::__rv<move_only>(*this);} 32 move_only(std::__rv<move_only>) {} 33 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 34 35 move_only() {} 36 }; 37 38 move_only source() {return move_only();} 39 const move_only csource() {return move_only();} 40 41 void test(move_only) {} 42 43 int main() 44 { 45 move_only a; 46 const move_only ca = move_only(); 47 48 test(std::move(ca)); 49 } 50
