Re: pcase-dolist

[Thierry Volpiatto]

Tassilo Horn <address@hidden> writes:

> Thierry Volpiatto <address@hidden> writes:
>
>>> As I've said, you can use cdr-matching with a don't-care-pattern,
>>> e.g.,
>>>
>>>   (pcase-let ((`(,a ,b . ,_) (file-attributes "~/.emacs")))
>>>     (list a b))
>>>
>>> which clearly states that you know that the list returned by
>>> `file-attributes' has more than two elements but you are only interested
>>> in the first two.
>>
>> Ah! Ok so the dont-care-pattern handle all the remaining elements.
>
> No, the crucial part is the dot separating the front from the rest of
> the list.  With `(,a ,b . ,r) the list of the 8 remaining file
> attributes would be bound to r.  When you don't need those, you can omit
> the binding with the don't care pattern.

Yes it's what I understood.

Thanks.

-- 
Thierry
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