Function AsCudaDevice

cpp/src/arrow/gpu/cuda_context.cc:304–310

}

Result<std::shared_ptr<CudaDevice>> AsCudaDevice(const std::shared_ptr<Device>& device) {
  if (IsCudaDevice(*device)) {
    return checked_pointer_cast<CudaDevice>(device);
  } else {
    return Status::TypeError("Device is not a Cuda device: ", device->ToString());
  }
}

Status CudaDevice::Stream::WaitEvent(const Device::SyncEvent& event) {
  auto cuda_event =