262     HashSet(std::move(other)).swap(*this);
267     HashSet(other).swap(*this);  // NOLINT(runtime/explicit) - a case of lint gone mad.
406   void swap(HashSet& other) {  in swap()  function
408     using std::swap;  in swap()
409     swap(allocfn_, other.allocfn_);  in swap()
410     swap(hashfn_, other.hashfn_);  in swap()
411     swap(emptyfn_, other.emptyfn_);  in swap()
412     swap(pred_, other.pred_);  in swap()
413     std::swap(data_, other.data_);  in swap()
414     std::swap(num_buckets_, other.num_buckets_);  in swap()
415     std::swap(num_elements_, other.num_elements_);  in swap()
416     std::swap(elements_until_expand_, other.elements_until_expand_);  in swap()
417     std::swap(min_load_factor_, other.min_load_factor_);  in swap()
418     std::swap(max_load_factor_, other.max_load_factor_);  in swap()
419     std::swap(owns_data_, other.owns_data_);  in swap()
474         std::swap(temp, element);  in Verify()
480         std::swap(temp, element);  in Verify()
680 void swap(HashSet<T, EmptyFn, HashFn, Pred, Alloc>& lhs,  in swap()  function
682   lhs.swap(rhs);  in swap()