Tom Lane <[EMAIL PROTECTED]> writes:

> Well, in that case what do you think about
>       {{1,2},{3,4},{5,6},{7,8}}
> vs
>       {{1,2,3,4},{5,6,7,8}}

In the first case the first element is {1,2} and in the second case the first
element is {1,2,3,4} so from my point of view there's no way these are the
same.

None of the three use cases I conjured would want them considered equal, which
isn't to say there isn't some data structure somewhere out there which would,
but I haven't thought of it.

-- 
greg


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