Method size

libapp2sys/prebuilt/include/google/protobuf/map.h:951–951

      return static_cast<size_type>(1) << (sizeof(void**) >= 8 ? 60 : 28);
    }
    size_type size() const { return num_elements_; }
    bool empty() const { return size() == 0; }

    iterator find(const Key& k) { return iterator(FindHelper(k).first); }