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* Re: map 6287979: Fix a false negative in `map-elt' with alists and values being nil
       [not found] ` <E1Ylwzr-0005nr-SF@vcs.savannah.gnu.org>
@ 2015-04-25 14:50   ` Artur Malabarba
  2015-04-25 14:52     ` Nicolas Petton
  0 siblings, 1 reply; 2+ messages in thread
From: Artur Malabarba @ 2015-04-25 14:50 UTC (permalink / raw)
  To: emacs-devel, Nicolas Petton; +Cc: emacs-diffs

Quick fix :-)

> +(defun map--elt-list (map key &optional default)
> +  "Return the element of the list MAP at the index KEY.
> +If KEY is not found, return DEFAULT which defaults to nil."
> +  (let ((pair (assoc key map)))
> +    (if pair
> +        (cdr (assoc key map))
> +      default)))

How about the following?

 (if pair (cdr pair)
   default)))


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: map 6287979: Fix a false negative in `map-elt' with alists and values being nil
  2015-04-25 14:50   ` map 6287979: Fix a false negative in `map-elt' with alists and values being nil Artur Malabarba
@ 2015-04-25 14:52     ` Nicolas Petton
  0 siblings, 0 replies; 2+ messages in thread
From: Nicolas Petton @ 2015-04-25 14:52 UTC (permalink / raw)
  To: bruce.connor.am; +Cc: emacs-diffs, emacs-devel


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Artur Malabarba writes:

> Quick fix :-)
>
>> +(defun map--elt-list (map key &optional default)
>> +  "Return the element of the list MAP at the index KEY.
>> +If KEY is not found, return DEFAULT which defaults to nil."
>> +  (let ((pair (assoc key map)))
>> +    (if pair
>> +        (cdr (assoc key map))
>> +      default)))
>
> How about the following?
>
>  (if pair (cdr pair)
>    default)))

Thanks, I extracted `pair' and then forgot about it :)

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

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^ permalink raw reply	[flat|nested] 2+ messages in thread

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     [not found] ` <E1Ylwzr-0005nr-SF@vcs.savannah.gnu.org>
2015-04-25 14:50   ` map 6287979: Fix a false negative in `map-elt' with alists and values being nil Artur Malabarba
2015-04-25 14:52     ` Nicolas Petton

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