Question

How to pass a runnable procedure (a function) as a parameter and run it in C++

Answer 1

// c++ 20

#include <iostream>

void control(auto&& f) {
    f();
}

void say() {
    std::cout << "abcd\n";
}

int main()
{
    control(&say);
}



/*
run:

abcd

*/

 

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