Function LastIndexOf3

extensions/strings.cc:131–138

}

Value LastIndexOf3(const StringValue& haystack, const StringValue& needle,
                   int64_t pos) {
  if (pos < 0 || pos > haystack.Size()) {
    return ErrorValue{
        absl::InvalidArgumentError(absl::StrCat("index out of range: ", pos))};
  }
  return IntValue(haystack.LastIndexOf(needle, pos).value_or(-1));
}

Value Substring2(const StringValue& string, int64_t start) {
  return string.Substring(start);