Class exists_predicate

expr.hh:120–126

};

struct exists_predicate : bool_expr {
  shared_ptr<struct query_spec> subquery;
  virtual ~exists_predicate() { }
  exists_predicate(prod *p);
  virtual void out(std::ostream &out);
  virtual void accept(prod_visitor *v);
};

struct bool_binop : bool_expr {
  shared_ptr<value_expr> lhs, rhs;