text: #include <iostream>
  #include "Foo.h"
  
  int main() {
      Foo<int> i;
      Foo<float> x(1.234);
  
      std::cout << "i = " << i.getVal() << ", " << x.getVal() << std::endl;
  
      i.setVal(10);
      std::cout << "i = " << i.getVal() << std::endl;
  
      std::cout << "mySizeof(float) = " << mySizeof<float>() << std::endl;
  }
  