48   iterator begin() { return ++map_.begin(); }  in begin()
49   iterator end() { return --map_.end(); }  in end()
51   size_t size() { return map_.size() - 2; }  in size()
56     map_[a] = info;  in InsertInfo()
61     map_.erase(a);  in EraseInfo()
74     typename map_t::iterator it = map_.lower_bound(a);  in GetInfo()
75     CHECK(it != map_.end());  in GetInfo()
81     CHECK(it != map_.begin());  in GetInfo()
94     map_.clear();  in Clear()
107     map_[max_info.ptr] = max_info;  in Reset()
111     map_[min_info.ptr] = min_info;  in Reset()
113   map_t map_;  variable