/******************************************************************************
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#include <iostream>
#include <memory>
class A{
public:
virtual void p(void){std::cout << "Im A" << std::endl;};
};
class B : public A{
public:
virtual void p(void) override {std::cout << "Im B" << std::endl;};
};
class C : public A{
public:
virtual void p(void) override {std::cout << "Im C" << std::endl;};
};
int main(){
bool cond = true; // some condition
std::shared_ptr<A> o1;
if(cond) {
o1 = std::make_shared<B>();
} else {
o1 = std::make_shared<C>();
}
o1->p();
return 0;
}
