On Fri, Apr 17, 2015 at 6:34 AM, <[email protected]> wrote:

​> ​
Imagine, you want to store a book list, using three categories:
​> ​
Author, Title, Topic, each ordered alphabetically.
​> ​
How could you store your book data without using clones?

​We might be talking about different things.  Your example makes perfect
sense, and clones would be essential to simulate various kinds of DB access.

But if you wanted just to review each book, you could just create a single
list, without clones.  You could organize the list any way you wanted, as
long as each book appeared exactly once in the list.  This was the
situation I faced.  I just wanted a *single *place for each to-do item.

Having said that, I won't mind at all if you truly want to access the data
in multiple ways using clones.  As you say, that's what clones are for ;-)

Edward

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