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

using namespace std;
using namespace uCalcSoftware;

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

   // Define a variable once during rule initialization
   t.FromTo("init_math", "{@Define: Variable: my_pi = 3.14}Math Initialized");
   t.FromTo("Eval: {expr}", "{@@Eval: expr}");
   cout << t.Transform("init_math") << endl;
   cout << t.Transform("Eval: my_pi * 2") << endl;
}