Generalize groupBy in a useful way?

Ross Paterson ross at
Fri Sep 5 03:33:56 EDT 2008

On Fri, Sep 05, 2008 at 07:06:54AM +0000, Bart Massey wrote:
> I think it would be better to expand the definition of
> groupBy such that the equality test is applied only to
> adjacent elements (with the arguments in proper order).

I agree:

We should do it this time.  (Probably too late for 6.10, though.)

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