From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Philipp Stephani Newsgroups: gmane.emacs.bugs Subject: bug#43100: 28.0.50; pcase not binding variables conditionally Date: Sat, 29 Aug 2020 14:01:45 +0200 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="2006"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 43100@debbugs.gnu.org, Stefan Monnier To: Pip Cet Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Aug 29 14:03:11 2020 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 1kBzZf-0000P5-25 for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 29 Aug 2020 14:03:11 +0200 Original-Received: from localhost ([::1]:35360 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kBzZe-00076Z-1o for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 29 Aug 2020 08:03:10 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40370) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kBzZW-00076N-Sf for bug-gnu-emacs@gnu.org; Sat, 29 Aug 2020 08:03:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:36448) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kBzZW-0008EQ-HI for bug-gnu-emacs@gnu.org; Sat, 29 Aug 2020 08:03:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kBzZW-0003Qc-D5 for bug-gnu-emacs@gnu.org; Sat, 29 Aug 2020 08:03:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Philipp Stephani Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 29 Aug 2020 12:03:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 43100 X-GNU-PR-Package: emacs Original-Received: via spool by 43100-submit@debbugs.gnu.org id=B43100.159870252413112 (code B ref 43100); Sat, 29 Aug 2020 12:03:02 +0000 Original-Received: (at 43100) by debbugs.gnu.org; 29 Aug 2020 12:02:04 +0000 Original-Received: from localhost ([127.0.0.1]:47994 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kBzYa-0003PQ-83 for submit@debbugs.gnu.org; Sat, 29 Aug 2020 08:02:04 -0400 Original-Received: from mail-ot1-f53.google.com ([209.85.210.53]:33860) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kBzYY-0003Ov-2K for 43100@debbugs.gnu.org; Sat, 29 Aug 2020 08:02:03 -0400 Original-Received: by mail-ot1-f53.google.com with SMTP id k20so1549435otr.1 for <43100@debbugs.gnu.org>; Sat, 29 Aug 2020 05:02:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=nvsEnZ076OwdPyi/GUAK85QsSX+9bAobn4d23nIRRzE=; b=lpdeCS0C+zBXu3kACPTwHRVlqnRNhVG/zgOymnn+V5nWZcTJXK6XPADFNuegRb2ON0 38HFMJr2WUFk47OWbLrey0PNX8uOmOTFZ9+6n+zSjhqQ/BHFq0ec/AydZlzek+Q0ZliD qetV15zb/MHxOA7vzQqNvZLPf4M9tH6wRsKQrrQa6Iz3oVYk3jK7czSw89vgK/gD6UoA +8eaKsYGsh6E16ohvT4sEbd8KnZIWhCjZgmYgPb1RtD7NVUCeETJUlVKJGuQrn/xuoQw UPZqXtDkXFA0+fywUMPo3LpL4yMdWXQ4Prhtp6snsc2pit5g9r0oifwMPmfauxVvmUZE 4ABw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=nvsEnZ076OwdPyi/GUAK85QsSX+9bAobn4d23nIRRzE=; b=oEvN/3VKADuA1bc9IxjQ3hXOE972Vysta4KwPfC7ltHs3p+ZZxouo/+1mOywDBpbtU dQ6flfVDGp8tZPOcx1Dz51zpjbtSND+JPIb6Gz7puusW1aogKED+AwzEvQAd7bjYNUKY q9ChgrnyU+vp1g9a2HYyfWKiwg9zLmMIgiqr10ajkyP2FBljPi+GKCoGXMk3F7NF+nUc LceUrnyCbz6aW4ll7ecMX4ZTPAgQMn5OZd04xc7urrdRLucQK6DU94h+pJUKb3MlJVeU e9VcVMtvrvawz9iBgWOmvyzBvjwp53XTO/9QsPUt2d/dymp4DiBnO4Ov1j9PjmToU59M pJFw== X-Gm-Message-State: AOAM533/TL7Iy78IivqxRtaqsn5WdXf3h32cr68Dk0UNG4SZUmzz3lxY y+UveHlQymaUVGbQx/HoUMQqfFIw/6Lsc2u0dTo= X-Google-Smtp-Source: ABdhPJxRZyUXlLXgLtAuQl85lf/FHEHC4O+wfJuUZjGzznyry5y6QjNeOEuwBVh3X2U+6MXciwUaewTXJax24enaz1I= X-Received: by 2002:a9d:20c1:: with SMTP id x59mr1959996ota.36.1598702516120; Sat, 29 Aug 2020 05:01:56 -0700 (PDT) In-Reply-To: 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:186636 Archived-At: Am Sa., 29. Aug. 2020 um 11:42 Uhr schrieb Pip Cet : > > I'm having trouble with pcase's behavior. > > (pcase "a" > ((or (pred symbolp) name) > (let ((foo 'bar)) name))) > > throws an error. It shouldn't. Isn't this case documented in the manual? The last section of https://www.gnu.org/software/emacs/manual/html_node/elisp/pcase-Macro.html states: "It makes no sense for each sub-pattern [in an `or' sequence] to let-bind a different set of symbols because the body forms have no way to distinguish which sub-pattern matched and choose among the different sets."