public bool MoveNext()
{
if (_innerEnumerator == null)
{
if (!_prevEnumerator.MoveNext())
{
return(false);
}
_innerEnumerator = _projector(_prevEnumerator.Current).GetEnumerator();
return(MoveNext());
}
if (_innerEnumerator.MoveNext())
{
_current = _innerEnumerator.Current;
return(true);
}
_innerEnumerator = null;
return(MoveNext());
}
public TakeEnumerator(ILazyEnumerator <T> prevEnumerator, int limit)
{
_prevEnumerator = prevEnumerator;
_limit = limit;
_counter = 0;
}
public WhereEnumerator(ILazyEnumerator <T> prevEnumerator, Func <T, bool> predicate)
{
_prevEnumerator = prevEnumerator;
_predicate = predicate;
}
public SelectEnumerator(ILazyEnumerator <T> prevEnumerator, Func <T, K> projector)
{
_projector = projector;
_prevEnumerator = prevEnumerator;
}
public LazyEnumerable(ILazyEnumerator <T> enumerator)
{
_enumerator = enumerator;
}
public SelectManyEnumerator(ILazyEnumerator <T> prevEnumerator, Func <T, ILazyEnumerable <K> > projector)
{
_prevEnumerator = prevEnumerator;
_projector = projector;
}
