cxx/test/utilities/utility/forward/move_only4.fail.cpp

53 lines
1.2 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// test move
#include <utility>
#include <cassert>
#include <typeinfo>
#include <stdio.h>
class move_only
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
move_only(const move_only&);
move_only& operator=(const move_only&);
#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES
move_only(move_only&);
move_only& operator=(move_only&);
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
public:
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
move_only(move_only&&) {}
move_only& operator=(move_only&&) {}
#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES
operator std::__rv<move_only> () {return std::__rv<move_only>(*this);}
move_only(std::__rv<move_only>) {}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
move_only() {}
};
move_only source() {return move_only();}
const move_only csource() {return move_only();}
void test(move_only) {}
int main()
{
move_only a;
const move_only ca = move_only();
test(csource());
}