Function StrJoin

ppcc/adlib/str.cc:97–112

}

Str *StrJoin(StrArr *arr, const char *sep, Int n) {
  if (arr->len() == 0)
    return new Str();
  Int len = (arr->len() - 1) * n;
  for (Int i = 0; i < arr->len(); i++) {
    len += arr->at(i)->len();
  }
  Str *result = new Str(len);
  result->add(arr->first());
  for (Int i = 1; i < arr->len(); i++) {
    if (n >= 0)
      result->add(sep, n);
    result->add(arr->at(i));
  }
  return result;
}

Str *StrJoin(StrArr *arr, const char *sep) {
  return StrJoin(arr, sep, strlen(sep));