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

using namespace std;
using namespace uCalcSoftware;

int main() {
   uCalc uc;
   auto t = uc.ExpressionTransformer();

   // Assume these rules are pre-defined to create a recursive sum
   t.FromTo("MySum({x})", "{x}");
   t.FromTo("MySum({x}, {y})", "({x} + MySum({y}))").RewindOnChange(true);

   uCalc::String trace = t.TraceTransform("MySum(1,2,3,4)");
   trace.ListSeparator("\n");

   cout << trace << endl;
}