* 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 [-- Attachment #1.1: Type: text/plain, Size: 529 bytes --] 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 [-- Attachment #1.2: signature.asc --] [-- Type: application/pgp-signature, Size: 512 bytes --] ^ permalink raw reply [flat|nested] 2+ messages in thread
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[not found] <20150425100739.22272.85986@vcs.savannah.gnu.org>
[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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