Characters getRange()

in lib/src/characters_impl.dart [236:248]

• 13 lines of code
• 7 McCabe index (conditional complexity)

  Characters getRange(int start, [int? end]) {
    RangeError.checkNotNegative(start, "start");
    if (end == null) return _skip(start);
    if (end < start) throw RangeError.range(end, start, null, "end");
    if (end == start) return Characters.empty;
    if (start == 0) return _take(end);
    if (string.isEmpty) return this;
    var breaks = Breaks(string, 0, string.length, stateSoTNoBreak);
    var startIndex = _skipIndices(start, 0, breaks);
    if (startIndex == string.length) return Characters.empty;
    var endIndex = _skipIndices(end - start, start, breaks);
    return StringCharacters(string.substring(startIndex, endIndex));
  }