OnJava8-Examples/generics/DogsAndRobots.cpp
2016-12-30 17:23:13 -08:00

39 lines
693 B
C++

// generics/DogsAndRobots.cpp
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
#include <iostream>
using namespace std;
class Dog {
public:
void speak() { cout << "Arf!" << endl; }
void sit() { cout << "Sitting" << endl; }
void reproduce() {}
};
class Robot {
public:
void speak() { cout << "Click!" << endl; }
void sit() { cout << "Clank!" << endl; }
void oilChange() {}
};
template<class T> void perform(T anything) {
anything.speak();
anything.sit();
}
int main() {
Dog d;
Robot r;
perform(d);
perform(r);
}
/* Output:
Arf!
Sitting
Click!
Clank!
*/