CalculatorButtonWithLJ constructor Null safety

CalculatorButtonWithLJ(
  1. ButtonFactory factory,
  2. String uText,
  3. String fText,
  4. String gText,
  5. Operation uKey,
  6. Operation fKey,
  7. Operation gKey,
  8. String rawKeyboardKey,
  9. {Key? key}
)

Implementation

CalculatorButtonWithLJ(
    ButtonFactory factory,
    String uText,
    String fText,
    String gText,
    Operation uKey,
    Operation fKey,
    Operation gKey,
    String rawKeyboardKey,
    {Key? key})
    : super(factory, uText, fText, gText, uKey, fKey, gKey, rawKeyboardKey,
          key: key);