landscapeLayout property Null safety

  1. @override
List<List<CalculatorButton?>> landscapeLayout
override

Implementation

@override
List<List<CalculatorButton?>> get landscapeLayout => [
      [a, b, c, d, e, f, n7, n8, n9, div],
      [gsb, gto, hex, dec, oct, bin, n4, n5, n6, mult],
      [rs, sst, rdown, xy, bsp, null, n1, n2, n3, minus],
      [onOff, fShift, gShift, sto, rcl, null, n0, dot, chs, plus]
    ];