using uCalcSoftware;

var uc = new uCalc();
var t = uc.NewTransformer();
var myRule = t.FromTo("A", "B");

// Get the parent uCalc from the rule
var parent_uc = myRule.uCalc;

// Verify they are the same instance using their MemoryIndex
Console.WriteLine(parent_uc.MemoryIndex == uc.MemoryIndex);