lastOrNull property
      
      T?
      get
      lastOrNull
      
    
    
The last element, or null if the iterable is empty.
Implementation
T? get lastOrNull {
  if (isEmpty) return null;
  return last;
}The last element, or null if the iterable is empty.
T? get lastOrNull {
  if (isEmpty) return null;
  return last;
}