Method substr

source/core/StarStringView.cpp:352–372

}

StringView StringView::substr(size_t position, size_t n) const {
  StringView ret;
  auto itEnd = end();
  auto it = begin();

  for (size_t i = 0; i != position; ++i) {
    if (it == itEnd)
      throw OutOfRangeException(strf("out of range in StringView::substr({}, {})", position, n));
    it++;
  }

  const auto itStart = it;

  for (size_t i = 0; i != n; ++i) {
    if (it == itEnd)
      break;
    ++it;
  }

  return StringView(&*itStart.base(), it.base() - itStart.base());
}

int StringView::compare(size_t selfOffset, size_t selfLen, StringView other,
    size_t otherOffset, size_t otherLen, CaseSensitivity cs) const {