46 template <class T>
47 using own = std::unique_ptr<T>;
265 template<class T>
266 inline T* CastOperand(Operand* op) {  in CastOperand()
268   T* operand = dynamic_cast<T*>(op);  in CastOperand()
274     T* converted = nullptr;  in CastOperand()
275     bool Visit(T* val) override {  in CastOperand()
336   template<class T>
337   T* CastOperand(int index) const {  in CastOperand()
338     return detail::CastOperand<T>(operands[index]);  in CastOperand()
419   template<class T>
420   T* CastOperand(int index) const {  in CastOperand()
421     return detail::CastOperand<T>(operands[index]);  in CastOperand()
453   template <class T, class... Args>
454   T* Alloc(Args&&... args) {  in Alloc()
455     auto p = new T(std::forward<Args>(args)...);  in Alloc()
456     nodes_.push_back(own<T>(p));  in Alloc()