/// <summary> /// Creates a rope from the specified input. /// This operation runs in O(N). /// </summary> /// <exception cref="ArgumentNullException">input is null.</exception> public Rope(IEnumerable <T> input) { if (input == null) { throw new ArgumentNullException("input"); } if (input is Rope <T> inputRope) { // clone ropes instead of copying them inputRope.root.Publish(); root = inputRope.root; } else { string text = input as string; if (text != null) { // if a string is IEnumerable<T>, then T must be char ((Rope <char>)(object) this).root = CharRope.InitFromString(text); } else { T[] arr = ToArray(input); root = RopeNode <T> .CreateFromArray(arr, 0, arr.Length); } } root.CheckInvariants(); }
public Rope(IEnumerable <T> input) { if (input is null) { throw new ArgumentNullException("input"); } if (input is Rope <T> inputRope) { // clone ropes instead of copying them inputRope.root.Publish(); root = inputRope.root; } else { string text = input as string; if (!(text is null)) { // if a string is IEnumerable<T>, then T must be char ((Rope <char>)(object) this).root = CharRope.InitFromString(text); }