Lines Matching refs:use_count
509 * @post use_count()==0 && get()==0
517 * @post use_count() == 1 && get() == __p
539 * @post use_count() == 1 && get() == __p
557 * @post get() == __r.get() && use_count() == __r.use_count()
568 * @post use_count() == __r.use_count()
584 * @post use_count() == 1 and __r.get() == 0
686 use_count() const // never throws
859 // use_count test above.
872 use_count() const // never throws