stringByAppendingPathExtension method

NSString? stringByAppendingPathExtension(
  1. NSString str
)

stringByAppendingPathExtension:

Implementation

objc.NSString? stringByAppendingPathExtension(objc.NSString str) {
  final _ret = _objc_msgSend_1sotr3r(
    this.ref.pointer,
    _sel_stringByAppendingPathExtension_,
    str.ref.pointer,
  );
  return _ret.address == 0
      ? null
      : objc.NSString.castFromPointer(_ret, retain: true, release: true);
}