147 class HashtablezInfoHandle {
149   explicit HashtablezInfoHandle() : info_(nullptr) {}  in HashtablezInfoHandle()  function
150   explicit HashtablezInfoHandle(HashtablezInfo* info) : info_(info) {}  in HashtablezInfoHandle()  function
151   ~HashtablezInfoHandle() {  in ~HashtablezInfoHandle()
156   HashtablezInfoHandle(const HashtablezInfoHandle&) = delete;
157   HashtablezInfoHandle& operator=(const HashtablezInfoHandle&) = delete;
159   HashtablezInfoHandle(HashtablezInfoHandle&& o) noexcept  in HashtablezInfoHandle()  function
161   HashtablezInfoHandle& operator=(HashtablezInfoHandle&& o) noexcept {
189   friend inline void swap(HashtablezInfoHandle& lhs,  in swap()
190                           HashtablezInfoHandle& rhs) {  in swap()
201 class HashtablezInfoHandle {
203   explicit HashtablezInfoHandle() = default;
204   explicit HashtablezInfoHandle(std::nullptr_t) {}  in HashtablezInfoHandle()  function
211   friend inline void swap(HashtablezInfoHandle& /*lhs*/,  in swap()  argument
212                           HashtablezInfoHandle& /*rhs*/) {}  in swap()
222 inline HashtablezInfoHandle Sample() {  in Sample()
225     return HashtablezInfoHandle(nullptr);  in Sample()
227   return HashtablezInfoHandle(SampleSlow(&global_next_sample));  in Sample()
229   return HashtablezInfoHandle(nullptr);  in Sample()