From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.bugs Subject: bug#59887: pcase vs. pcase-let: Underscore in backquote-style patterns Date: Mon, 12 Dec 2022 03:50:41 +0100 Message-ID: <87v8mhmj26.fsf@web.de> References: <87sfhrqgxw.fsf@airmail.cc> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="31850"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: 59887-done@debbugs.gnu.org To: hokomo Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Dec 12 03:51:10 2022 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 1p4YuM-00083x-1q for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 12 Dec 2022 03:51:10 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p4YuG-0001Ai-4d; 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Mon, 12 Dec 2022 03:50:42 +0100 In-Reply-To: <87sfhrqgxw.fsf@airmail.cc> (hokomo@airmail.cc's message of "Wed, 07 Dec 2022 17:28:57 +0100") X-Provags-ID: V03:K1:KgL1pFrytV6Ls263WL9yKSoLg10uL15yPewuVpVYZI7koWwiDbl /JDBxdTK/zFeyRbO8n21d2LeMMYYwh9WoZea8Y/CODxDrvsgJSYgJDEpwRoGDzL3L3DOJKS wmlmJmAW75wJrFP56vP+pW5BOGU7+g1m1Bc9ua0yE4LvgdUxj8obIP4wRzgrED2HHV/SN3y yLG6s0957CMkTW+IfYyCA== UI-OutboundReport: notjunk:1;M01:P0:xU2I0G1nnIE=;QmuDJrNrXUMzNkwomY/DGJh+pMb LKTOTlPGHfuPD4O2+u2BBBO5R1RiL0aa6HSVcnutwPl91WSwiNoVxwopEswUzydflFJN6FCWe VQVpYaMwXV4fGnTSnHEhxObZkFvGStMW+VtUV6SCJU+4zL1TEc2yRvWUSI24i+8QgCELVsA80 lUCHKKqM8XCIvSWzSkalbs3xr/TUxax1b0cmbouRw+G2AeujhDSFcFFcVsFe31n7CcZNONnTr c5hgDbi5rn1sV4nt1j4/deA7YW/cU8c5kEOO+29Msrhi8X+QR9H1Xyh4r3XAR86uF9CZTKWY3 pRV+d02hZfB8AQK3QLzoECJ4a5Oa+SI1Ke3vH9fbic11BVpYqsC0PSBGebUzX1UnCo+F+50N4 eS8oiCKD3Fbh0DWzOOKnwCoo5w0hpexhf2xGMv8MtZ7FHwTdXJsYyeihqM2NYp9rFljMgnI+P 1mK9GvLeRd2v+OWA4P8PU3xvqcH4m4/T6jelZo857+BQkx0HFE8QZbh36DpdoKBD4osnxIaWz wcsL8vPt9EbJ3gXhPHmOxH5jniX2LTHmooxnyvrfNsF0gvCyI6wifzzkla3etc8SYFAF2PeuC h6QxuC0PbQkMWOvjvCS2fv3j1/MIoT3rjHqtF5bS13OuVzyIHIJBfF/RWRrxlzlNyy5oyiSNo OnATeHl6RoJKPKtyv0l9ykSMT9JRt/SV3JWu1M3xrFRm5N81APe0WMhw2+8kQsZPye9XsVvQ9 tSr6gZ4dxSUY7OMduIBbvu2+61ZVoIf9rhTq9Pp1vFKIkcao+iHj+4tSk5y3roW4lEPsmYAq 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:250671 Archived-At: hokomo writes: > How exactly is the underscore symbol treated in pcase's > backquote-style patterns? I think the current behavior can be understood and explained from the documentation quite well. If you can point to something concrete missing, please elaborate, and we can reopen this report. For now I'm closing it: everything works as documented, and we had decided not to complicate the semantics of `_`, so as far as I see it nothing is to be done here. Thanks, Michael.