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.devel Subject: Re: Improve `replace-regexp-in-string' ergonomics? Date: Tue, 12 Oct 2021 20:44:23 +0000 Message-ID: <87y26y7yxz.fsf@posteo.net> References: <878rzpw7jo.fsf@gnus.org> <875yuban9b.fsf@mail.linkov.net> <871r4qalit.fsf@mail.linkov.net> <87h7dme953.fsf@gnus.org> <87r1cqct4f.fsf@gnus.org> <87ily2v04e.fsf@posteo.net> <874k9m835c.fsf@mail.linkov.net> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="37119"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Lars Ingebrigtsen , Stefan Monnier , emacs-devel@gnu.org To: Juri Linkov Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue Oct 12 22:48:17 2021 Return-path: Envelope-to: ged-emacs-devel@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 1maOh7-0009Uu-8e for ged-emacs-devel@m.gmane-mx.org; Tue, 12 Oct 2021 22:48:17 +0200 Original-Received: from localhost ([::1]:40110 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1maOh5-00018W-S4 for ged-emacs-devel@m.gmane-mx.org; Tue, 12 Oct 2021 16:48:15 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:41354) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1maOgN-0000Ow-8k for emacs-devel@gnu.org; Tue, 12 Oct 2021 16:47:31 -0400 Original-Received: from mout02.posteo.de ([185.67.36.66]:39939) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1maOgK-0003QC-NL for emacs-devel@gnu.org; Tue, 12 Oct 2021 16:47:31 -0400 Original-Received: from submission (posteo.de [89.146.220.130]) by mout02.posteo.de (Postfix) with ESMTPS id 4AD37240101 for ; Tue, 12 Oct 2021 22:47:26 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.net; s=2017; t=1634071646; bh=ToZXQzUQBVAShSexo4kKRhANAauEcOqPoiBjR3TH+30=; h=From:To:Cc:Subject:Date:Autocrypt:From; b=B+KBj3U4H/pnwwE8BFjyFSr4nX1XpyFlnx5OFhK08ZJT3nocIxSW1/zMt0fajmCLv W345/Z23TXzdogRd1qoP10DU1jpzurMBc8ps2O+l82BaqzkpT+F9KE0eJ34UtGUwaa 5EQIc1i9PxCBP/JmK0aYKrI5oAd6/3RefM2D578e5C9FABxWYX90psgmV+PuozpJTH ihpc5mdN2XvvLuUyXPYLnvKqbzwjRV1Fv012eboIBpkFCWJHkYesRWo9HzpZ6jeGMc WOOUpgMCdX60mS4bL4H3Q/WQ/x+waogMGteQs+hL0scpIOxhkDsxQNk0/wPCbjWrpT xAx85fLFxCvkg== Original-Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4HTSQh2wrgz6tmB; Tue, 12 Oct 2021 22:47:24 +0200 (CEST) In-reply-to: <874k9m835c.fsf@mail.linkov.net> 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 Received-SPF: pass client-ip=185.67.36.66; envelope-from=thievol@posteo.net; helo=mout02.posteo.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:276836 Archived-At: --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Juri Linkov writes: >> What about providing a simple anaphoric `and`? >> >> (let ((bar "bar")) >> (helm-aand bar >> (replace-regexp-in-string "b" "f" it) >> (replace-regexp-in-string "a" "o" it) >> (replace-regexp-in-string "r" "o" it))) >> =3D>"foo" > > What does the following return? > > (let ((bar "bar")) > (helm-aand bar > (replace-regexp-in-string "b" "f" it) > (replace-regexp-in-string "f" "o" it))) > > If it returns "oar" then it applies replacements sequentially, > and we have no problem with such implementations. Yes, it does, thought you wanted something easy to read (and write), it was the initial question isn't it? > But we need an alternative version that performs simultaneous > replacements and returns "far". So I don't understand what you want to achieve. =2D-=20 Thierry --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQHHBAEBCgAxFiEEI9twfRN7r3nig/xwDsVtFB0W75MFAmFl9FgTHHRoaWV2b2xA cG9zdGVvLm5ldAAKCRAOxW0UHRbvk9fnC/95iHUbKmq3u2jistijfiTLCLsWxXA4 vowl+B4EletAmrKH4bzNwjvuNGnqvmJjWU05BDyorZAECuOrVcl/8KPjEyjGcahX iXFRYQeW2PxNYcmrJeo47G8uL/rvet7YlEuF3FNOf7aJ7JS3tTEOKyGIo1YaLm7F /ybu0phMUs03bJf853rBGHPutMOZn5699ZUNRlTuQl+RjfdGWEiDj36UR7jqef3m Jjmawlke4QbPS81hv9Xuf2AuQI7tB5L6EyVml8ofdiXY5yuhxTUDvcVX2n1Hwztj sz4ophFTM/LwjeVvuMSoQWgDhgBYyQRDp0LmUFVVj4Guh62GdcvFQTQvI4GDZWJP mkNxL1DTCR+U0GIL7hATdezGaKhKH4X72ijRoh/bRP6I6mml1Ce+fGwEUiIS+TBH wcEKHT1+ZJ4LUsqak2Cv6LFIeyQKCXy5uUPEV0BlEWsyRNmn5/uWyMWoqgtdD5La MgyhAr3ZmRslLmkxx2ELpPVWgAOWzC4zBWs= =juyK -----END PGP SIGNATURE----- --=-=-=--