No way to retrieve the base of a Set or Map in O(1)

Ivan Lazar Miljenovic ivan.miljenovic at
Thu Jun 18 13:01:02 UTC 2015

On 18 June 2015 at 22:53, André van Delden
<andre.van.delden at> wrote:
> Hello,
>> do you have any use-case where such function is useful?
> I am trying to generalize some combinatorial functions to a class of
> types containing any sort of element. For many combinatorial functions
> it is useful to split the elements at some element and recombine them
> after a recursion over the parts. That's what I was thinking of.
> But others seem to be interested aswell (although it is a beginner
> asking, so there might be a better solution to his problem):

minView applies to that one as well.

Ivan Lazar Miljenovic
Ivan.Miljenovic at

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