// Finally, let's call our functions and run the code!
// But, wait, we would like to actually see something, so we need to print the result.
-// Of course Rust can print numbers, but after calling `vec_min`, we have a `NumberOrNothing`.
-// So let's write a small helper function that prints such values.
+//@ Of course Rust can print numbers, but after calling `vec_min`, we have a `NumberOrNothing`.
+//@ So let's write a small helper function that prints such values.
//@ `println!` is again a macro, where the first argument is a *format string*. For
//@ now, you just need to know that `{}` is the placeholder for a value, and that Rust