GNU bug report logs - #38375
26.3.50; map-contains-key can't detect nil

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Damien Cassou <damien <at> cassou.me>
Subject: bug#38375: closed (Re: bug#38375: 26.3.50; map-contains-key can't
 detect nil)
Date: Tue, 26 Nov 2019 15:45:02 +0000

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Your bug report

#38375: 26.3.50; map-contains-key can't detect nil

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 38375 <at> debbugs.gnu.org.

-- 
38375: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=38375
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Michael Heerdegen <michael_heerdegen <at> web.de>
To: Damien Cassou <damien <at> cassou.me>
Cc: 38375-done <at> debbugs.gnu.org, Nicolas Petton <nicolas <at> petton.fr>
Subject: Re: bug#38375: 26.3.50; map-contains-key can't detect nil
Date: Tue, 26 Nov 2019 16:44:15 +0100

Damien Cassou <damien <at> cassou.me> writes:

> I agree, it is fixed in master.

Ok, closing.  Nonetheless, thanks for reporting.

Michael.

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From: Damien Cassou <damien <at> cassou.me>
To: bug-gnu-emacs <at> gnu.org
Cc: Nicolas Petton <nicolas <at> petton.fr>
Subject: 26.3.50; map-contains-key can't detect nil
Date: Mon, 25 Nov 2019 18:15:34 +0100

The code below inserts the pair (nil, 'value) in a hash table. I expect
`map-contains-key' to return t when passed the key nil as argument.

(ert-deftest test-map-contains-key-with-nil-has-key-in-hashtable ()
  (let ((map (make-hash-table :test 'equal)))
    (puthash nil 'value map)
    (should (map-contains-key map nil))))

-- 
Damien Cassou

"Success is the ability to go from one failure to another without
losing enthusiasm." --Winston Churchill

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