Line data    Source code

       1            0 : namespace CalculatorApp {
       2              : 
       3              : /// <summary>
       4              : /// Console entry point. All parsing and calculation logic lives in
       5              : /// <see cref="CalculatorLibrary.CalculatorCli"/> so it is unit tested there; this class only wires
       6              : /// the process arguments to that logic and prints the result. It never calls
       7              : /// <c>Console.ReadLine</c> or otherwise waits on keyboard input, so it never blocks when launched
       8              : /// from a build script or CI.
       9              : /// </summary>
      10              : internal class Program {
      11            0 :   private static int Main(string[] args) {
      12              :     try {
      13              :       string output = args.Length == 0 ? CalculatorLibrary.CalculatorCli.RunDemo() : CalculatorLibrary.CalculatorCli.Run(args);
      14              :       Console.WriteLine(output);
      15              :       return 0;
      16              :     } catch (Exception ex) when (ex is ArgumentException or DivideByZeroException) {
      17              :       Console.Error.WriteLine($"Error: {ex.Message}");
      18              :       return 1;
      19              :     }
      20              :   }
      21              : }
      22              : }