slice method

String slice(
  1. int start, [
  2. int end = -1
])

Implementation

String slice(int start, [int end = -1]) {
  final start0 = start < 0 ? start + length : start;
  final end0 = end < 0 ? end + length : end;

  RangeError.checkValidRange(start0, end0, length);

  return substring(start0, end0 + 1);
}