final TripleBunch ss = bunchMap.get( Q.S.node );
if (ss == null)
return Applyer.empty;
else
{
return new Applyer()
{
final MatchOrBind x = MatchOrBind.createPO( Q );
@Override public void applyToTriples( Domain d, Matcher m, StageElement next )
{ ss.app( d, next, x.reset( d ) ); }