code. compile. run. debug. share.
Source Code
Language
#include <iostream>
class Base
{
public:
virtual ~Base() = default;
virtual void execute() const
{
std::cout << "Base::execute()\n";
}
virtual Base *clone() const
{
std::cout << "Base::clone()\n";
return new Base(*this);
}
};
class Derived : public Base
{
public:
virtual void execute() const override
{
std::cout << "Derived::execute()\n";
}
virtual void apply() const
{
std::cout << "Derived::apply()\n";
}
virtual Derived *clone() const override
{
std::cout << "Derived::clone()\n";
return new Derived(*this);
}
};
int main()
{
Derived d1;
// ...
Derived *d2 = d1.clone();
// ...
d2->execute();
// ...
d2->apply();
// ...
delete d2;
}
Compiling Program...
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Text
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