Rust Programming Master Class from Beginner to Expert - Function Types

This tutorial introduces the concept of function pointers in Rust, explaining how they can be used to reference functions whose identity is not known at compile time. It covers defining Max and Min functions, using function pointers in the main program, and passing them as parameters to other functions. Practical examples are provided to reinforce learning, and the tutorial concludes with a brief mention of advanced uses such as communication with external APIs.

What is the purpose of the 'do_twice' function in the context of function pointers?

Explain how the function pointer can be utilized to call another function.

What are some advanced uses of function pointers mentioned in the tutorial?

Summarize the key takeaways from the tutorial on function pointers.