Characters takeLast()

in lib/src/characters_impl.dart [354:374]

• 21 lines of code
• 6 McCabe index (conditional complexity)

  Characters takeLast(int count) {
    RangeError.checkNotNegative(count, "count");
    if (count == 0) return Characters.empty;
    if (string.isNotEmpty) {
      var breaks = BackBreaks(string, string.length, 0, stateEoTNoBreak);
      var startIndex = string.length;
      while (count > 0) {
        var index = breaks.nextBreak();
        if (index >= 0) {
          startIndex = index;
          count--;
        } else {
          return this;
        }
      }
      if (startIndex > 0) {
        return StringCharacters(string.substring(startIndex));
      }
    }
    return this;
  }