// TemplateSpecialization.cpp
#include <iostream>
class Account{
public:
  explicit Account(double b): balance(b){}
  double getBalance() const {
    return balance;
  }
private:
  double balance;
};
template <typename T, int Line, int Column>
class Matrix{
  std::string getName() const { return "Primary Template"; }
};
template <typename T>
class Matrix<T,3,3>{
  std::string name{"Partial Specialization"};
};
template <>
class Matrix<int,3,3>{};
template<typename T>
bool isSmaller(T fir, T sec){
  return fir < sec;
}
template <>
bool isSmaller<Account>(Account fir, Account sec){
  return fir.getBalance() < sec.getBalance();
}
int main(){
  std::cout << std::boolalpha << std::endl;
  Matrix<double,3,4> primaryM;
  Matrix<double,3,3> partialM;
  Matrix<int,3,3> fullM;
  std::cout << "isSmaller(3,4): "  << isSmaller(3,4) << std::endl;
  std::cout << "isSmaller(Account(100.0),Account(200.0)): "<< isSmaller(Account(100.0),Account(200.0) ) << std::endl;
  std::cout << std::endl;
}