getCalcOperationSymbol function

String? getCalcOperationSymbol(
  1. CalcOperation? op
)

Implementation

String? getCalcOperationSymbol(CalcOperation? op) {
  if (op == null) return null;

  switch (op) {
    case CalcOperation.sum:
      return '+';
    case CalcOperation.subtract:
      return '-';
    case CalcOperation.multiply:
      return '*';
    case CalcOperation.divide:
      return '/';
    default:
      return null;
  }
}