A whole book's worth of examples is hardly fair use. But I looked at a few of the array examples in the forked repo and I don't see them in the book. E.g., the

A whole book's worth of examples is hardly fair use. But I looked at a few of the array examples in the forked repo and I don't see them in the book. E.g., the shoppingList has different elements and I didn't see fiblist in the book. But I don't have time to do an exhaustive analysis. I would guess (or at least hope) Apple ran a program to do a comparison.