Pointer function using callback

FunctionPointerCallback.cpp

// https://www.youtube.com/watch?v=LW8Rfh6TzGg&list=PL2_aWCzGMAwLZp6LMUKI3cc7pgGsasm2_&index=5

#include <iostream>

void helloWorld() {
    std::cout << "Hello world" << std::endl;
};

void myFunction(void (*callback)()) {
    callback();
};

int main() {
    myFunction(helloWorld);
    return 0;
}