Reference IList<T>

  IList<T> = interface(IEnumerable<T>)
  public
    { Remove all items from the list }
    procedure Clear;
    { Delete an item by index }
    procedure Delete(Index: Integer);
    { Sort the list using a comparer }
    procedure Sort(Compare: TCompare<T>);
    { Exchange positions of two items in the list }
    procedure Exchange(Index1, Index2: Integer);
    { The first item in the list }
    function First: T;
    { Return the first item for which FindProc returns true }
    function Find(FindProc: TFindProc<T>; var Match): T;
    { Returns the index of the item or -1 if it cannot be found }
    function IndexOf(Item: T): Integer;
    { Add an item returning its index }
    function Add(Item: T): Integer;
    { The last item in the list }
    function Last: T;
    { Remove an item returning the index it had or -1 if it was not found }
    function Remove(Item: T): Integer;
    { Address of the first item }
    function Data: Pointer;
    { Allocated space in terms of number of items }
    property Capacity: Integer read GetCapacity write SetCapacity;
    { Number of items in the list }
    property Count: Integer read GetCount;
    { Get or set an item in the list }
    property Items[Index: Integer]: T read Get write Put; default;
  end;