inherit_and_template.cc

#include <iostream>

class Base {
 public:
  virtual void common_func(int arg) {
    std::cout << "Bas" << arg << std::endl;
  }
};

template <class A>
class B {
 public:
  void func(A arg) {
    std::cout << "Baz" << arg << std::endl;
  }
};

template<>
class B<int> : public Base {
 public:
  void func(int arg) {
    std::cout << "Bar" << arg << std::endl;
  }
  virtual void common_func(int arg) {
    std::cout << "Woz" << arg << std::endl;
  }
};

template<>
class B<double> : public Base {
 public:
  void func(double arg) {
    std::cout << "Bal" << arg << std::endl;
  }
};

template<>
class B<char> {
 public:
  void func(char arg) {
    std::cout << "Var" << arg << std::endl;
  }
};

template <class A>
class C : public Base {
 public:
  void func(A arg) {
    std::cout << "Caz" << arg << std::endl;
  }
};

template<>
class C<char> {
 public:
  void func(char arg) {
    std::cout << "Kar" << arg << std::endl;
  }
};


int main() {
  B<int> b_int;
  b_int.func(12);
  b_int.common_func(194);
  B<char> b_char;
  b_char.func('f');
  // b_char.common_func('a');
  B<double> b_double;
  b_double.func(1.31);
  b_double.common_func(491);
  B<float> b_float;
  b_float.func(1.14);
  // b_float.common_func(4333);

  C<int> c_int;
  c_int.func(391);
  c_int.common_func(1955);
  C<char> c_char;
  c_char.func('$');
  // c_char.common_func(104194);
  return 0;
}

Bar12
Woz194
Varf
Bal1.31
Bas491
Baz1.14
Caz391
Bas1955
Kar$