public bool MoveNext()
{
IEnumerator leaf = YieldUtils.GetLeafEnumerator(_current);
if (leaf != null && leaf != _current)
{
while (leaf != null && !leaf.MoveNext())
{
leaf = YieldUtils.GetLeafEnumerator(_current, leaf);
}
if (leaf == null && !_current.MoveNext())
{
if (_coroutines.Count == 0)
{
return(false);
}
_current = _coroutines.Dequeue();
}
}
else if (!_current.MoveNext())
{
if (_coroutines.Count == 0)
{
return(false);
}
_current = _coroutines.Dequeue();
}
return(true);
}
public bool MoveNext()
{
for (var i = _coroutines.Count - 1; i >= 0; --i)
{
// find leaf enumerator to move next on
IEnumerator leaf = YieldUtils.GetLeafEnumerator(_coroutines[i]);
if (leaf != null && leaf != _coroutines[i])
{
while (leaf != null && !leaf.MoveNext())
{
leaf = YieldUtils.GetLeafEnumerator(_coroutines[i], leaf);
}
if (leaf == null && !_coroutines[i].MoveNext())
{
_coroutines.RemoveAt(i);
}
}
else if (!_coroutines[i].MoveNext())
{
_coroutines.RemoveAt(i);
}
}
if (_coroutines.Count == 0)
{
return(false);
}
return(true);
}