sigmaTable method Null safety

Widget sigmaTable(
  1. double widthCM
)

Implementation

Widget sigmaTable(double widthCM) => table(
    widthCM,
    [
      row([
        cell(space(1)),
        cell(text('\u03a3', align: bpCenter)),
        cell(space(1))
      ]),
      row([
        cell(list([italicText('n', align: bpRight), space(.7)])),
        cell(arrowRight(2)),
        cell(list([text('R'), space(-.5), subText('2'), space(.2)]))
      ]),
      row([
        cell(list([text('\u03a3x', align: bpRight), space(.9)])),
        cell(arrowRight(2)),
        cell(list([text('R'), space(-.5), subText('3')]))
      ]),
      row([
        cell(list(
            [text('\u03a3x', align: bpRight), supText('2'), space(-.5)])),
        cell(arrowRight(2)),
        cell(list([text('R'), space(-.5), subText('4')]))
      ]),
      row([
        cell(list([text('\u03a3y', align: bpRight), space(.9)])),
        cell(arrowRight(2)),
        cell(list([text('R'), space(-.5), subText('5')]))
      ]),
      row([
        cell(list(
            [text('\u03a3y', align: bpRight), supText('2'), space(-.5)])),
        cell(arrowRight(2)),
        cell(list([text('R'), space(-.5), subText('6')]))
      ]),
      row([
        cell(text('\u03a3xy', align: bpRight)),
        cell(arrowRight(2)),
        cell(list([text('R'), space(-.5), subText('7')]))
      ]),
    ],
    drawLines: false);