[Haskell-cafe] groupBy huh?
jacek.generowicz at cern.ch
Fri Mar 4 07:33:18 CET 2011
On 2011 Mar 4, at 02:14, Brandon S Allbery KF8NH wrote:
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> On 3/3/11 20:09 , Jacek Generowicz wrote:
>>> 1 < 2 ok, same group
>>> 1 < 3 dito
>>> 1 < 2 dito
>>> Thus you get [[1,2,3,2]]
>> OK, that works, but it seems like a strange choice ...
> Stability is often valued in functions like this: the order of
> elements is
> not altered.
I'm failing to see how the behaviour I expected would change the order
of elements: the elements would still come out in exactly the same
order, it is just the boundaries between the groups would be in
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