SLinkedList bug

[gang89liu]

when code write is
var s = new SLinkedList();
foreach (var item in s)
{
Console.WriteLine(item);
}

function MoveNext _current is null

public bool MoveNext()
{
_current = _current.Next;

 return (this._current != null);

}

[github-actions]

Thanks for supporting the development of C# Algorithms with your first issue! We look forward to handling it.

[ikp1997]

What exactly bug fixing is needed?