From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Thierry Volpiatto Newsgroups: gmane.emacs.bugs Subject: bug#50928: [External] : bug#50928: remove-dups Date: Fri, 01 Oct 2021 17:31:53 +0000 Message-ID: <87fstk648m.fsf@posteo.net> References: <4CCC2E52-1B22-4852-9ED6-52612CF7D786@misasa.okayama-u.ac.jp> <87pmsox6a4.fsf@gnus.org> <3d76c99d-8727-4eb7-27e5-94d9dc2e9156@yandex.ru> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="14414"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Lars Ingebrigtsen , Tak Kunihiro , "50928@debbugs.gnu.org" <50928@debbugs.gnu.org>, Dmitry Gutov To: Drew Adams Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Oct 01 20:02:18 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mWMrR-0003Za-Ff for geb-bug-gnu-emacs@m.gmane-mx.org; 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Fri, 1 Oct 2021 19:31:55 +0200 (CEST) Autocrypt: addr=thievol@posteo.net; prefer-encrypt=mutual; keydata= mQGNBF8ylcIBDADG+hy+zR6L4/vbdDDZuSaMmSrU3A5QZJpeBCvxTr7MpzzruZbhLPW1K3R6N2MA edi8Y+C8o27FVRIjpdbaKMGu9je7JV/TbUQYo3SOwCK1vM4LUn4V6ZLzSYkuiEt4eyMoiDdyvN0p kcK6P9x9DCetcEVszXzQg+yzCVrQ2hXWDXWT4M18EC3wtO7RHPouMqGiwBFhBAYErCqFWFxQHkfb tG/4yGyJ58rglb65O3qijjMWvYwcWZun9/7qm8Z4/4mHopmo2zgU+OrptnLSZfkZGz3Y7Uf452xQ GVq0Fv75NPvQru7y+DYVhuVXXyAmGxt+vf4rIiixMBbhKEPjcxEPAa2LTzex2IsTZR+QVG9uDnqC WcgaOEQ58fzXNvNhtwwF/Rgio2XWAJVdmFWS59/k9W58CIUSNKBMZh2XeGdEmtHvDtCxW3z6FJha 36RzOM3fMNNiAGdFZJA84gcdloJR+sHCDTTPT3784fjr+V8An7sI581NGFzkRQqPvEQCZbUAEQEA AbQSdGhpZXZvbEBwb3N0ZW8ubmV0iQHUBBMBCgA+FiEEI9twfRN7r3nig/xwDsVtFB0W75MFAl8y lcICGwMFCQPCZwAFCwkIBwIGFQoJCAsCBBYCAwECHgECF4AACgkQDsVtFB0W75MB3QwAlTsVzFmr +S/tMKwwwOibjhNPi/OZiUC2AYfaqfVAiIHDT3RbzDe03sAJoomJkJnYVjGzQZwibCMO2+ITkMPV 2wvrd4CbgS1KCVbrltwcuK/nxPCBaHytOCZUIInnhJo5PE/h03K In-Reply-To: (Drew Adams's message of "Fri, 1 Oct 2021 17:02:08 +0000") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:216072 Archived-At: Drew Adams writes: > FWIW, I use this. I don't recall whether I borrowed > it from somewhere or just wrote it from scratch. > > (defun my-remove-dups (sequence &optional test) > "Copy of SEQUENCE with duplicate elements removed. > Optional arg TEST is the test function. If nil, test with `equal'. > See `make-hash-table' for possible values of TEST." > (setq test (or test #'equal)) > (let ((htable (make-hash-table :test test))) > (loop > for elt in sequence > unless (gethash elt htable) collect (puthash elt elt htable)))) Looks like a old version of `helm-fast-remove-dups`, no need to loop again in hash-table and using cl-loop is better. -- Thierry