public Assign(Var left, Token token, VisitableNode right)
{
this.left = left;
this.right = right;
this.token = token;
}
public BinOp(VisitableNode left, Token op, VisitableNode right)
{
this.left = left;
this.op = op;
this.right = right;
}
public Assert(VisitableNode n)
{
node = n;
}
public Print(VisitableNode n)
{
node = n;
}