20 class StringUsed {  class
22   StringUsed(const char *s = "") : str(strdup(s)) {}  in StringUsed()  function in StringUsed
23   StringUsed(const StringUsed &rhs) : str(strdup(rhs.str)) {}  in StringUsed()  function in StringUsed
24   ~StringUsed();
25   StringUsed& operator=(const StringUsed &rhs);
26   StringUsed& operator=(StringUsed &&rhs);
32 StringUsed::~StringUsed() {  in ~StringUsed()
36 StringUsed &StringUsed::operator=(const StringUsed &rhs) {  in operator =()
51 StringUsed &StringUsed::operator=(StringUsed &&rhs) {  in operator =()
64 StringUsed::operator const char*() const {  in operator const char*()
116   StringUsed s1 ("test"), s2;  in main()