786     static std::vector<std::string> split(const std::string& reference_string)  in split()  argument
791         if (reference_string.empty())  in split()
797         if (JSON_HEDLEY_UNLIKELY(reference_string[0] != '/'))  in split()
799 …e(107, 1, "JSON pointer must be empty or begin with '/' - was: '" + reference_string + "'", BasicJ…  in split()
807             std::size_t slash = reference_string.find_first_of('/', 1),  in split()
816             slash = reference_string.find_first_of('/', start))  in split()
820             auto reference_token = reference_string.substr(start, slash - start);  in split()
854     static void flatten(const std::string& reference_string,  in flatten()  argument
865                     result[reference_string] = nullptr;  in flatten()
872                         flatten(reference_string + "/" + std::to_string(i),  in flatten()
884                     result[reference_string] = nullptr;  in flatten()
891 …           flatten(reference_string + "/" + detail::escape(element.first), element.second, result);  in flatten()
908                 result[reference_string] = value;  in flatten()