Function AlreadyExists

cpp/src/arrow/status.h:283–285

  template <typename... Args>
  static Status AlreadyExists(Args&&... args) {
    return Status::FromArgs(StatusCode::AlreadyExists, std::forward<Args>(args)...);
  }

  /// Return true iff the status indicates success.
  constexpr bool ok() const { return (state_ == NULLPTR); }