#include <iostream>
#include "uCalc.h"

using namespace std;
using namespace uCalcSoftware;

int main() {
   uCalc uc;
   // A 'NewUsing' block ensures the expression is automatically released at the end of the scope.
   // This is the safest pattern to prevent memory leaks.
   {
      uCalc::Expression expr("5 * 10");
      expr.Owned(); // Causes expr to be released when it goes out of scope
      cout << "Result within scope: " << expr.Evaluate() << endl;
   }

   // The 'expr' object is now released and its handle is invalid.
   cout << "Expression has been automatically released." << endl;
}