Method operator()

oneflow/core/functional/impl/array_functor.cpp:3187–3196

class To3Functor {
 public:
  Maybe<Tensor> operator()(const std::shared_ptr<Tensor>& input,
                           const Optional<Symbol<DType>>& dtype_, bool copy) const {
    Symbol<DType> dtype = dtype_.value_or(input->dtype());
    if (input->is_global()) {
      return GlobalTensorTo(input, JUST(input->parallel_desc())->device_tag(), dtype, copy);
    } else {
      auto device = JUST(input->device());
      return LocalTensorTo(input, device, dtype, copy);
    }
  }
};

class To4Functor {