From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-3.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 Received: from zero.zsh.org (zero.zsh.org [IPv6:2a02:898:31:0:48:4558:7a:7368]) by inbox.vuxu.org (Postfix) with ESMTP id 476942300B for ; Wed, 6 Mar 2024 20:38:06 +0100 (CET) ARC-Seal: i=1; cv=none; a=rsa-sha256; d=zsh.org; s=rsa-20210803; t=1709753886; b=nvVC8e7Trvf7oFKmK+TTFAs4bcwHj3n9XB8JSK/ZiOGbRvvVxX6PUXf7knQ5e0eYDbHGH5dQIu UZcX2oMsZGTi8ZJzdThStmWmc7knEtXdmceKse6J0AEpLrvwYuJrtDBbGfhdAXdVoWrvzfXsVa 0sYSBMJCMJb7XsPicN6Ent5Sl71fb88A3O/EA70K9DklLuVDHmnlY0b00/wIoirPx0N0uyCUDR CRJmDQZ1+gHE/wGIC3MppNbV/3VpeInFBaGF+2WhDSKa/8aOzHDmNy3DmDIxWHprJEKCXljWzV ehrMOgPFWwoAuwBl1ALSYFDdYkdwFlFvUb+aHIkiYjHxfg==; ARC-Authentication-Results: i=1; zsh.org; iprev=pass (mail-ej1-f49.google.com) smtp.remote-ip=209.85.218.49; dkim=pass header.d=brasslantern-com.20230601.gappssmtp.com header.s=20230601 header.a=rsa-sha256; dmarc=none header.from=brasslantern.com; arc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed; d=zsh.org; s=rsa-20210803; t=1709753886; bh=a8bODaimqtBg2rQzUgWiWCirzbFHNejbYNOTIhwQVEo=; h=List-Archive:List-Owner:List-Post:List-Unsubscribe:List-Subscribe:List-Help: List-Id:Sender:Content-Transfer-Encoding:Content-Type:To:Subject:Message-ID: Date:From:In-Reply-To:References:MIME-Version:DKIM-Signature:DKIM-Signature; b=fmAiR3hkmFu2ZXvZrD5BzpdT/opI9SpcSGO+eYL8UL0uJKx3JKIgpZgGs/kua1Px+wc59lJ6OP a1FWooi2We7z0R3LFDEusgavKtWjmIAHLLmC4tgqYd/YY4gjMO80x1OhOE3/Q/SsRPNCuQNbxj dmQRBujw4fwDQcJLSagaQLmByrwGDcgYqc8MHfPjxEz75m0r9hUsIb1bQdmWT0usphkvTXqD+O d+13Y7kknpAoK7HqrSdMhCYM9PutWLR8uwTniO3A5FRMbJ0mRxyEsu+b9zW/V9/7SSk0ZCqhzh kkZ17Jai3aMGR20pmf+sunzhEvpWzCb7DDHCGJThiCGagg==; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=zsh.org; s=rsa-20210803; h=List-Archive:List-Owner:List-Post:List-Unsubscribe: List-Subscribe:List-Help:List-Id:Sender:Content-Transfer-Encoding: Content-Type:To:Subject:Message-ID:Date:From:In-Reply-To:References: MIME-Version:Reply-To:Cc:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=8hmXw26vwJR4B0x9X+UpTnLGpRFtDsH1mPbQ87h3/vI=; b=OBH0N4VWj8gi6b/HZxovenOVsG re8k/5UN5dkRg+tRf1e6gwr9VaxNH6sbezil36/w9+VG6e2dE0YWplBOAH/IMT9hQNUHAR/z5Gh89 FVwZYd4Tn9XEDVvSkcmG9ZK8adyu6LcXoTjdud+Ct2hsfgiMExw5sVlSa9CKIuM6HVxnGWI4WXhxH o/cbqCfptAymvmRVS8Q4W59c0naOd/Rg+qkaPHdGbDiJO9EsVnHtldqvFyL368PpqZcQHwUkeQZTC iClQ6zswsV6Uz1p5cWa1xD+XlzP6MpxGxLPgRdEaKK9ru/ul36XQP5RFzJi+AMo9g+Fin4kf0zazk Wy/pfwbw==; Received: by zero.zsh.org with local id 1rhx5a-000PCY-Kp; Wed, 06 Mar 2024 19:38:06 +0000 Authentication-Results: zsh.org; iprev=pass (mail-ej1-f49.google.com) smtp.remote-ip=209.85.218.49; dkim=pass header.d=brasslantern-com.20230601.gappssmtp.com header.s=20230601 header.a=rsa-sha256; dmarc=none header.from=brasslantern.com; arc=none Received: from mail-ej1-f49.google.com ([209.85.218.49]:56361) by zero.zsh.org with esmtps (TLS1.3:TLS_AES_128_GCM_SHA256:128) id 1rhx5O-000Ot1-9C; Wed, 06 Mar 2024 19:37:54 +0000 Received: by mail-ej1-f49.google.com with SMTP id a640c23a62f3a-a45670f9508so23422166b.0 for ; Wed, 06 Mar 2024 11:37:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=brasslantern-com.20230601.gappssmtp.com; s=20230601; t=1709753874; x=1710358674; darn=zsh.org; h=content-transfer-encoding:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=8hmXw26vwJR4B0x9X+UpTnLGpRFtDsH1mPbQ87h3/vI=; b=j3iGASaGbE2zCD1TLb1ULkKqea+J75D0NKNk9wF1dRR2+sfIagZgCfLQCwwbJgSEje NPWMEoR3EW36RVlUh+IFsb4jrFxWjcLxAkBD9Skadchtg+YjZnkE5LSvcGPl3OcC0Y4e /68yzBbZh5mND+XSXNpA64xUCpmLCMkMBxaBet605kAfVCUyFh8H5KJVLQw+dQQEl/a3 +wJJAK6Xf1G/zpPK9RnA1i0kbsvoBlD92YO6bgDUFsXDR21Y4+8MWqlby36eJTNtFDUg BTjfswsnkhzOaG/LkdAkwxqzUZTvB1X047TFj8VGN+mdzW5f5DNd9ovXvALX40rZRBcA G0bA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709753874; x=1710358674; h=content-transfer-encoding:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=8hmXw26vwJR4B0x9X+UpTnLGpRFtDsH1mPbQ87h3/vI=; b=L6Ui2Xk9Gj3/4eJycQ3sDc/ic7SCisBcBzLM3SIWJ/ZXDkACm49bk72OvqWkBGJOmQ szj658zXAuxRugxuI950ZK4M5uGj45xRgMjA/grXYWXmKJwLvUsCMRWTmX+UInq02GkI hkCCTIWihKX69saMyCiJUzd3JZpcckkvnTE2XSV3U2ZEPiWXKLgRH1jz1vFWSGqU4swp 4DHIouNyFU6H9JycISscjrZJkqLlqAejyQtz7qwofSqCbS84Vo1Rwg4QH8ZLCWaWl8z8 BektTJCzKY3bWC48DmNhljMdo4FhTVA1NCFL2wHJwjxf04u9Qa4x7EPFwY1pfaqJQxBW pZpQ== X-Gm-Message-State: AOJu0YwXvlYgVK+p9J1irpdykoLg2j3DCgg87addHW8DtJmIXRVQ/oC+ W49CO/+4V/hgSAnMS2oWAZGkksS+jIDwgb0PMx8txChfog+yQOlp/0dV4NZ5QyGv6tq8cb+tXvq TAI4UmkTktNaB4oaLAvik/yXeuOVj+p7iNdy7fyRKo5zYeuufKQ== X-Google-Smtp-Source: AGHT+IHebyAfWM5Qsjskj26A+IQI2yrBfY/Bxuanez2WpA6ReTFNuizFYtcngV2EM4zt9IKmO77iiRqCK/FEhXtgavs= X-Received: by 2002:a17:906:11d0:b0:a45:ab8d:7271 with SMTP id o16-20020a17090611d000b00a45ab8d7271mr3884747eja.14.1709753873638; Wed, 06 Mar 2024 11:37:53 -0800 (PST) MIME-Version: 1.0 References: <20240304062914.kn6wquvgog3lefom@chazelas.org> <20240304193409.lv725ah6eifiazzx@chazelas.org> <20240305081859.r3qwiyduk2wgkdby@chazelas.org> <20240305193840.vvixetyn6vfnbir2@chazelas.org> <20240306182108.tf7qmtcdiykej4uv@chazelas.org> In-Reply-To: From: Bart Schaefer Date: Wed, 6 Mar 2024 11:37:42 -0800 Message-ID: Subject: Re: [PATCH] Fix crash on unset-through-nameref To: Zsh hackers list Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Seq: 52696 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: , List-Subscribe: , List-Unsubscribe: , List-Post: List-Owner: List-Archive: On Wed, Mar 6, 2024 at 11:17=E2=80=AFAM Bart Schaefer wrote: > > assign() { > typeset -g $1 > typeset -nu var=3D$1 > local value=3D$2 > var=3D$value > } Of course there's also no reason to write that specific function that way. You can simply do assign() { unset $1 typeset -g $1=3D$2 } The reason for using a named reference would be when you're going do more things with $var and $value than just assign them, such as calling another function, or when you want to do something like append() { typeset -nu var=3D$1 local value=3D$2 # Maybe do something else to $value ? Then: var+=3D$value } Mostly because "typeset" doesn't understand +=3D syntax.