35 struct MoveOnly  struct
38   explicit MoveOnly(int i) : value(i) {}  in MoveOnly()  argument
39   MoveOnly(MoveOnly && r) : value(r.value) { r.value = 0; }  in MoveOnly()  function
40   MoveOnly& operator=(MoveOnly && r) { value = r.value; r.value = 0; return *this; }  in operator =()  argument
43   MoveOnly(MoveOnly const&);
44   void operator=(MoveOnly const&);
47 MoveOnly makeMoveOnly(int i)  in makeMoveOnly()
49   return MoveOnly(i);  in makeMoveOnly()
52 optional<MoveOnly> makeOptMoveOnly(int i)  in makeOptMoveOnly()
54   return optional<MoveOnly>(MoveOnly(i));  in makeOptMoveOnly()
57 int get_val(MoveOnly m)  in get_val()
64   optional<MoveOnly> om (makeMoveOnly(7)), om2 (makeMoveOnly(8));  in test_map_move_only()
74   optional<MoveOnly> o_;  in test_map_move_only()