-Music_iterator::Music_iterator ()
-{
- first_b_ = true;
-}
-
-Music_iterator::Music_iterator (Music_iterator const& src)
-{
- first_b_ = src.first_b_;
- handle_ = *src.handle_.clone ();
- music_l_ = src.music_l_;
-}
-
-Music_iterator::~Music_iterator()
-{
-}
-