OnlineGDB

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Language

main.cpp

#include <iostream> #include <functional> class Parent { public: virtual void say() const { std::cout<<"I am parent"<<"\n"; } }; class Child: public Parent { public: void say() const { std::cout<<"I am child"<<"\n"; } }; using Wrapper = std::function<void(const Parent&)>; int main() { Wrapper func=[](const Parent& parent){ auto child=dynamic_cast<const Child*>(&parent); if (child) child->say(); else std::cout<<"OUCH!!! I need a child"<<std::endl; }; Parent x; Child c; std::cout<<"For a child: "; func(c); std::cout<<"For a parent: "; func(x); return 0; }

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Call Stack

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Display Expressions

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Breakpoints and Watchpoints

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