safeSubString method

String? safeSubString(
  1. int start,
  2. int end
)

Guvenli sekilde kirpar

Implementation

String? safeSubString(int start, int end) {
  if (this == null) return null;
  if (start < 0 || end < 0) return '';
  if (this!.length < start) return '';
  if (this!.length < end) end = this!.length;
  return this!.substring(start, end);
}