> This is memory safe, but in an unsatisfying way. How is it unsatisfying? I know that "xs[idx]" isn't going to be garbage data from elsewhere in my program, a

> This is memory safe, but in an unsatisfying way. How is it unsatisfying? I know that "xs[idx]" isn't going to be garbage data from elsewhere in my program, and that it won't occasionally segfault when I try to print it. That's a big improvement.