Method erase

source/core/StarString.cpp:763–777

}

void String::erase(size_t pos, size_t n) {
  String ns;
  ns.reserve(m_string.size() - std::min(n, m_string.size()));
  auto it = begin();
  for (size_t i = 0; i < pos; ++i)
    ns.append(*it++);
  for (size_t i = 0; i < n; ++i) {
    if (it == end())
      break;
    ++it;
  }
  while (it != end())
    ns.append(*it++);
  *this = ns;
}

String String::padLeft(size_t size, String const& filler) const {
  if (!filler.length())