- unsigned precedence() const {return 55;}
- bool info(unsigned inf) const;
- ex eval(int level = 0) const;
- ex real_part() const;
- ex imag_part() const;
- exvector get_free_indices() const;
-
+ unsigned precedence() const override {return 55;}
+ bool info(unsigned inf) const override;
+ ex eval() const override;
+ ex real_part() const override;
+ ex imag_part() const override;
+ exvector get_free_indices() const override;
+
+ /** Save (a.k.a. serialize) indexed object into archive. */
+ void archive(archive_node& n) const override;
+ /** Read (a.k.a. deserialize) indexed object from archive. */
+ void read_archive(const archive_node& n, lst& syms) override;