public override bool ConsumePath(int at, string[] fullpath, out string left, out Unifiable after, out int newAt,
SubQuery query)
{
if (best != null)
{
bool res = best.ConsumePath(at, fullpath, out left, out after, out newAt, query);
if (res)
{
return(true);
}
}
foreach (Unifiable u in List)
{
if (ReferenceEquals(best, u))
{
continue;
}
bool res = u.ConsumePath(at, fullpath, out left, out after, out newAt, query);
if (res)
{
best = u;
return(true);
}
}
left = null;
after = null;
newAt = at;
return(false);
}