def IsToCppComment(change):
  if not len(change.now) or len(change.now) != len(change.was):
    return False
  for index in range(len(change.now)):
    was = change.was[index].strip()
    if was[:2] != '//':
      return False
    was = was[2:].strip()
    now = change.now[index].strip()
    if now[:2] != '/*':
      return False
    now = now[2:-2].strip()
    if now != was:
      return False
  return True


  return True