unique_ptr_basics.cpp

#include <iostream>
#include <memory>

using namespace std;

class Foo {
    public:
        Foo(int a, int b) {
            this->a = a;
            this->b = b;
        };
        int sum() { return a+b;}

    private:
        int a;
        int b;
};

void silly(Foo* aFoo) {
    cout << "I like your foo\n";
    cout << "Its sum is " << aFoo->sum() << "\n";
}

void billy(Foo& aFoo) {
    cout << "I don't like your foo\n";
    cout << "Its sum is " << aFoo.sum() << "\n";
}

int main() {
    cout << "Hello\n";
    auto myFoo = Foo(1,2);
    cout << myFoo.sum() << "\n";

    auto pFoo = make_unique<Foo>(3,4);
    cout << "PFOO\n";
    cout << pFoo->sum() << "\n";
    silly(pFoo.get());
    billy(*pFoo);
    return 0;
}