public void AddRange(IEnumerable <T> items)
{
items.CheckNotNull("items");
var list = items as ImmList <T>;
if (list != null)
{
_inner = _inner.AddLastList(list.Root, _lineage);
}
else
{
int len;
var arr = items.ToArrayFast(out len);
int i = 0;
var tree = FingerTree <T> .FTree <Leaf <T> > .Construct(arr, ref i, len, _lineage);
_inner = _inner.AddLastList(tree, _lineage);
}
}
/// <summary>
/// Adds the specified list to the end of this one.
/// </summary>
/// <param name="list"> The list. </param>
/// <returns> </returns>
ImmList <T> AddLastList(ImmList <T> list)
{
if (list.IsEmpty)
{
return(this);
}
if (IsEmpty)
{
return(list);
}
var result = Root.AddLastList(list.Root, Lineage.Immutable);
return(result.Wrap());
}