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

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

Function pointers in C++ can be used for callbacks, implementing state machines, and dynamic dispatch.

Can you give an example of a callback using function pointers?

Sure! You can define a function pointer type and pass it to another function to be called later.

How do I declare a function pointer?

You declare a function pointer by specifying the return type, followed by an asterisk, and the function's parameter types.

What about using function pointers in data structures?

Function pointers can be stored in structs or classes to allow for flexible behavior in data structures.