26   Node* value_;  member
45     if (old->value_) {  in Resize()
51         if (!entry->value_) {  in Resize()
53           entry->value_ = old->value_;  in Resize()
74     return &entry->value_;  in Find()
83       if (pred_(entry->key_, key)) return &entry->value_;  in Find()
84       if (!entry->value_) {  in Find()
86         return &entry->value_;  in Find()
96   entry->value_ = nullptr;  in Find()
97   return &entry->value_;  in Find()
105       if (entries_[i].value_) nodes->push_back(entries_[i].value_);  in GetCachedNodes()