unsigned return_type() const;
return_type_t return_type_tinfo() const;
ex thisexpairseq(const epvector & v, const ex & oc, bool do_index_renaming = false) const;
unsigned return_type() const;
return_type_t return_type_tinfo() const;
ex thisexpairseq(const epvector & v, const ex & oc, bool do_index_renaming = false) const;