Method is_drv_api

include/dali/core/cuda_error.h:37–37

  cudaError_t rt_error() const noexcept { return rt_err; }

  bool is_drv_api() const noexcept { return drv_err != CUDA_SUCCESS; }
  bool is_rt_api() const noexcept { return rt_err != cudaSuccess; }

  bool is_unloading() const noexcept {