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 15class 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 25public: 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 38move_only source() {return move_only();} 39const move_only csource() {return move_only();} 40 41void test(move_only) {} 42 43int main() 44{ 45 move_only a; 46 const move_only ca = move_only(); 47 48 test(std::move(ca)); 49} 50