- void print(const print_context & c, unsigned level = 0) const;
- unsigned precedence(void) const {return 20;}
- bool info(unsigned inf) const;
- unsigned nops() const;
- ex & let_op(int i);
- ex eval(int level=0) const;
- ex subs(const lst & ls, const lst & lr, bool no_pattern = false) const;
- ex simplify_ncmul(const exvector & v) const;
+ unsigned precedence() const override {return 20;}
+ bool info(unsigned inf) const override;
+ size_t nops() const override;
+ ex op(size_t i) const override;
+ ex map(map_function & f) const override;
+ ex subs(const exmap & m, unsigned options = 0) const override;