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 move_only(move_only &&)28 move_only(move_only&&) {} operator =(move_only &&)29 move_only& operator=(move_only&&) {return *this;} 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 move_only()35 move_only() {} 36 }; 37 source()38move_only source() {return move_only();} csource()39const move_only csource() {return move_only();} 40 test(move_only)41void test(move_only) {} 42 main()43int main() 44 { 45 move_only mo; 46 47 test(std::move(mo)); 48 test(source()); 49 } 50