214     std::basic_string_view<typename Str::value_type> trim_chars,  in TrimStringT()  argument
224                                      ? input_piece.find_first_not_of(trim_chars)  in TrimStringT()
227                                     ? input_piece.find_last_not_of(trim_chars)  in TrimStringT()
250                 std::u16string_view trim_chars,  in TrimString()  argument
252   return TrimStringT(input, trim_chars, TRIM_ALL, output) != TRIM_NONE;  in TrimString()
256                 std::string_view trim_chars,  in TrimString()  argument
258   return TrimStringT(input, trim_chars, TRIM_ALL, output) != TRIM_NONE;  in TrimString()
264     std::basic_string_view<char_type> trim_chars,  in TrimStringPieceT()  argument
267       (positions & TRIM_LEADING) ? input.find_first_not_of(trim_chars) : 0;  in TrimStringPieceT()
272                    ? input.find_last_not_of(trim_chars) + 1  in TrimStringPieceT()
278                                std::u16string_view trim_chars,  in TrimString()  argument
280   return TrimStringPieceT(input, trim_chars, positions);  in TrimString()
284                             std::string_view trim_chars,  in TrimString()  argument
286   return TrimStringPieceT(input, trim_chars, positions);  in TrimString()