// ListComp
public override bool Walk(ListComp node)
{
BitArray save = bits;
bits = new BitArray(bits);
foreach (ListCompIter iter in node.iters)
{
iter.Walk(this);
}
node.item.Walk(this);
bits = save;
return(false);
}
public virtual void PostWalk(ListComp node)
{
}
// ListComp
public virtual bool Walk(ListComp node)
{
return(false);
}
// ListComp
public virtual bool Walk(ListComp node)
{
return(true);
}