2010/8/8 David E. Wheeler <da...@kineticode.com>:
> On Aug 8, 2010, at 9:10 AM, Pavel Stehule wrote:
>
>>> There are no keys.
>>
>> ok - I didn't use a correct name - so "indexed set" is better.
>
> Hash?

Just only hash isn't good model, because I sometimes we would prefer a
ordered set

Regards

Pavel

>
> David
>
>

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