Method out

expr.hh:142–146

  virtual ~bool_term() { }
  const char *op;
  virtual void out(std::ostream &out) {
    out << "(" << *lhs << ") ";
    indent(out);
    out << op << " (" << *rhs << ")";
  }
  bool_term(prod *p) : bool_binop(p)
  {
    op = ((d6()<4) ? "or" : "and");