Method kernels

cpp/src/arrow/compute/function.h:264–270

\brief Return pointers to current-available kernels for inspection

 public:
  /// \brief Return pointers to current-available kernels for inspection
  std::vector<const KernelType*> kernels() const {
    std::vector<const KernelType*> result;
    for (const auto& kernel : kernels_) {
      result.push_back(&kernel);
    }
    return result;
  }

  int num_kernels() const override { return static_cast<int>(kernels_.size()); }