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From: | Drew Adams |
Subject: | bug#26540: 25.2; [PATCH] Add cl-set-equal to test for set equality |
Date: | Mon, 17 Apr 2017 06:55:20 -0700 (PDT) |
> This patch adds cl-seq-equal to test whether two lists have the > same elements. I.e., if every element of LIST1 also appears in > LIST2 and if every element of LIST2 also appears in LIST1. Common Lisp (and the Emacs emulation) already has set functions that do this - `[cl-]set-exclusive-or', for example. https://www.cs.cmu.edu/Groups/AI/html/cltl/clm/node152.html
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