public IEnumerator <TOuter> GetEnumerator()
{
return(new ProxyEnumerator <TInner, TOuter>(_inner.GetEnumerator()));
}
/// <summary>Returns an enumerator that iterates through the collection.</summary>
/// <returns>An enumerator that can be used to iterate through the collection.</returns>
public IEnumerator <T> GetEnumerator()
{
return(set.GetEnumerator());
}
public IEnumerator <IItemSet <TOuter> > GetEnumerator()
{
return(new ProxyNestedEnumerator <TInner, TOuter>(_inner.GetEnumerator()));
}
public IEnumerator <TOuter> GetEnumerator()
{
return(Inner == null?
_extended.GetEnumerator() :
_extended.Concat(InnerSet).GetEnumerator());
}