Method Visit

cpp/src/arrow/scalar.cc:254–259

  }

  Status Visit(const NullScalar& s) {
    if (s.is_valid) {
      return Status::Invalid("null scalar should have is_valid = false");
    }
    return Status::OK();
  }

  template <typename T>
  Status Visit(const internal::PrimitiveScalar<T>& s) {