Re: [Emacs-diffs] seq-let c856843: New macro seq-let, providing destructuring support to seq.el

[Nicolas Petton]

Stefan Monnier writes:

>> Wouldn't that be for a difference usage? If not, can you provide an
>> example?
>
> You could use it as in
>
>    (pcase-let (((seq a b) [1 2 3]))
>      (message "%s %s" a b))
>
> which could return "1 2", tho that depends how you'd define the (seq
> ...) pattern, obviously.

I see, it would indeed makes sense to have it.  I'll have a look at how
pcase works internally and how patterns can be defined.

I think having both would make sense though as `seq-let' is IMO simpler
to use.  Maybe one could reuse code from the other.

Nico
-- 
Nicolas Petton
http://nicolas-petton.fr

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