padLeft method Null safety

String? padLeft(
  1. int width,
  2. [String padding = ' ']

Pads this string on the left if it is shorter than width.

Return a new string that prepends padding onto this string one time for each position the length is less than width.


String? padLeft(int width, [String padding = ' ']) {
  return value?.padLeft(width, padding);