What are some practical use cases for function pointers in C++?

What are some practical use cases for function pointers in C++?

Function pointers in C++ can be used for callbacks, implementing state machines, and creating flexible APIs.

Can you give an example of using function pointers for callbacks?

Sure! You can use function pointers to pass a function as an argument to another function, allowing for callback functionality.

How do I declare and use a function pointer in my code?

To declare a function pointer, use the syntax: returnType (*pointerName)(parameterTypes);. Then, assign it to a function and call it using the pointer.

What are the advantages of using function pointers over regular functions?

Function pointers provide flexibility, allowing you to change the function being called at runtime, which can lead to more modular code.