I have a question on day 55 where the method below is used to delete an object from a List made from Core Data.

func deleteBooks(at offsets: IndexSet) {

    for offset in offsets {

        let book = books[offset]

        moc.delete(book)      
    }

    try? moc.save()
}

My question is, why does this have to iterate over the offsets parameter? Doesn't the offsets parameter always have only 1 index to delete? Or, is this because there can be some cases where multiple objects are deleted at the same time?

Thank you, Kiyo

@Greenamberred

Thank you very much for your answer! I understand it clearly now :)

Kiyo