29   for (auto fragment : fragments_) {  in PacketView()  local
30     length_ += fragment.size();  in PacketView()
56   for (const auto& fragment : fragments_) {  in at()  local
57     if (index < fragment.size()) {  in at()
58       return fragment[index];  in at()
60     index -= fragment.size();  in at()
79   for (const auto& fragment : fragments_) {  in GetSubviewList()  local
80     if (begin >= fragment.size()) {  in GetSubviewList()
81       begin -= fragment.size();  in GetSubviewList()
83       View view(fragment, begin, begin + std::min(length, fragment.size() - begin));  in GetSubviewList()
113   for (const auto& fragment : to_add.fragments_) {  in Append()  local
114     fragments_.insert_after(insertion_point, fragment);  in Append()