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From: | Stefan Monnier |
Subject: | bug#25929: 25.2; map-delete doesn't delete permanently 1st alist elt |
Date: | Tue, 21 Mar 2017 11:11:20 -0400 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux) |
>> A better option might be to provide a map-remove which works >> functionally (i.e. doesn't modify its argument by side-effects) > I'd love to have that, but what about performance issues with > hash-tables? I was thinking of providing map-remove additionally to map-delete (and make map-delete signal an error when it can't do its job). IOW declare that some parts of the API can't be used with all types. Stefan
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