public bool MoveNext()
{
Current = Current.GetPeek().FirstOrDefault();
return(Current != null);
}
public void Reset()
{
Current = null;
_enumerator.Reset();
}
public PeekWalker(IEnumerator <T> enumerator)
{
_enumerator = enumerator;
Current = new PeekElement <T>(default(T), new Lazy <PeekElement <T> >(GetNextPeek));
}
