Questions

1. What is a function?
2. What is a functor?
3. What is a tuple?
4. What control flow expression was designed for use with tagged unions?
5. What is the name for a function with a function as a parameter?
6. How many times will fib be called in memoized fib(20)?
7. What datatypes can be sent over a channel?
8. Why do functions need to be boxed when returned from a function?
9. What does the move keyword do?
10. How could two variables share ownership of a single variable?