4 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
11 MoveOnly(const MoveOnly&);
12 MoveOnly& operator=(const MoveOnly&);
16 MoveOnly(int data = 1) : data_(data) {}
17 MoveOnly(MoveOnly&& x)
18 : data_(x.data_) {x.data_ = 0;}
19 MoveOnly& operator=(MoveOnly&& x)
20 {data_ = x.data_; x.data_ = 0; return *this;}
22 int get() const {return data_;}
24 bool operator==(const MoveOnly& x) const {return data_ == x.data_;}
25 bool operator< (const MoveOnly& x) const {return data_ < x.data_;}
32 : public std::unary_function<MoveOnly, std::size_t>
34 std::size_t operator()(const MoveOnly& x) const {return x.get();}
39 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES