#include <iostream>
#include <functional>
class Abstract
{
public:
void foo()
{
auto func = std::bind(&Abstract::virtualFoo, this);
func();
}
protected:
virtual void virtualFoo() = 0;
};
class Derived1 : public Abstract
{
private:
void virtualFoo() override
{
std::cout << "I am Derived1\n";
}
};
class Derived2 : public Abstract
{
private:
void virtualFoo() override
{
std::cout << "I am Derived2\n";
}
};
int main(int argc, char *argv[])
{
Abstract * a1 = new Derived1;
Abstract * a2 = new Derived2;
a1->foo();
a2->foo();
return 0;
}
