bug#26540: 25.2; [PATCH] Add cl-set-equal to test for set equality

[Nicolas Petton <nicolas@petton.fr>]

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John Mastro <john.b.mastro@gmail.com> writes:


> This is admittedly bikeshedding, for which I apologize, but I'd like to
> mention the possibility of adding this to `seq' as an alternative to
> adding it to `cl-lib'.
>
> My two arguments for adding it to `seq' are:
>   - This function doesn't exist in Common Lisp, so `cl-lib' seems like
>     a somewhat arbitrary place for it, other than that its
>     implementation uses `cl-set-exclusive-or'.
>   - It could use seq.el's type dispatch
>
> As a downside, (besides the fact that the patch adding it to `cl-lib' is
> already available), `seq' doesn't have a direct equivalent to
> `cl-set-exclusive-or', so adding it to `seq' is more work.
>

I'd also put it in seq.el, I think it's the place where it makes the
most sense.

Cheers,
Nico

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