/// <summary>
 /// Controller constructor
 /// </summary>
 /// <param name="arrayCalcService">Array service instance</param>
 public ArrayCalcController(IArrayCalcService arrayCalcService)
 {
     _arrayCalcService = arrayCalcService;
 }
 public ArrayCalcController(IArrayCalcService service)
 {
     _calcService = service;
 }