32 std::string_view LTrim(const std::string_view s) {  in LTrim()  argument
33   auto start = s.find_first_not_of(WHITESPACE);  in LTrim()
34   return (start == std::string::npos) ? "" : s.substr(start);  in LTrim()
37 std::string_view RTrim(const std::string_view s) {  in RTrim()  argument
38   size_t end = s.find_last_not_of(WHITESPACE);  in RTrim()
39   return (end == std::string::npos) ? "" : s.substr(0, end + 1);  in RTrim()
42 std::string_view Trim(const std::string_view s) { return RTrim(LTrim(s)); }  in Trim()  argument
44 std::vector<std::string_view> Split(const std::string_view s,  in Split()  argument
48   while ((start = s.find_first_not_of(delimiters, end)) != std::string::npos) {  in Split()
49     end = s.find(delimiters, start);  in Split()
50     result.emplace_back(s.substr(start, end - start));  in Split()
55 std::vector<std::string> Split(const std::string s,  in Split()  argument
59   while ((start = s.find_first_not_of(delimiters, end)) != std::string::npos) {  in Split()
60     end = s.find(delimiters, start);  in Split()
61     result.emplace_back(s.substr(start, end - start));  in Split()