341 struct SplitStringIter {  struct
352   SplitStringIter(size_t index, char split, std::string_view sv)  in SplitStringIter()  argument
354   SplitStringIter(const SplitStringIter&) = default;
355   SplitStringIter(SplitStringIter&&) = default;
356   SplitStringIter& operator=(SplitStringIter&&) = default;  argument
357   SplitStringIter& operator=(const SplitStringIter&) = default;  argument
359   SplitStringIter& operator++() {
369   SplitStringIter operator++(int) {
370     SplitStringIter ret(cur_index_, split_on_, sv_);
375   bool operator==(const SplitStringIter& other) const {
379   bool operator!=(const SplitStringIter& other) const {
395 inline IterationRange<SplitStringIter> SplitString(std::string_view sv, char target) {  in SplitString()  argument
396   return MakeIterationRange(SplitStringIter(0, target, sv),  in SplitString()
397                             SplitStringIter(std::string_view::npos, target, sv));  in SplitString()