2010/11/11 David E. Wheeler <david@kineticode.com>:
> On Nov 11, 2010, at 10:05 AM, Tom Lane wrote:
>
>>> So are you planning to implement multisets? It's a feature I'd love to see
>>
>> What actual functionality does it buy? AFAICT from Itagaki-san's
>> description, it's an array only you ignore the specific element order.
>> So what? You can write functions that work that way now.
>
> Also, no dupes.
The "multi" in multiset indicates that duplicate elements are
explicitly allowed and tracked.
Nicolas