private void InitDelegates()
{
_updateEnumerator = () =>
{
_subEnumerator = InnerEnumerator.Current.GetEnumerator();
if (_keepEmptyEnumerables)
_updateEnumerator = () => _subEnumerator = _joinEnumerable.AppendValues(InnerEnumerator.Current).GetEnumerator();
else
_updateEnumerator = () => _subEnumerator = new JoinSubEnumerator<T>(InnerEnumerator.Current, _joinEnumerable);
};
_moveNext = () =>
{
if (_subEnumerator == null && !_MoveNext())
return false;
_moveNext = () => __MoveNext();
return __MoveNext();
};
}
