From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-3.3 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 10730 invoked from network); 5 Dec 2020 00:28:33 -0000 Received: from zero.zsh.org (2a02:898:31:0:48:4558:7a:7368) by inbox.vuxu.org with ESMTPUTF8; 5 Dec 2020 00:28:33 -0000 ARC-Seal: i=1; cv=none; a=rsa-sha256; d=zsh.org; s=rsa-20200801; t=1607128113; b=teGmTUjREske0cPW6FjIvltfpLOMS0OoanFTWiEb1F+QGzUmlaQoeqGZFBpTor0REmsPgnQvz6 v15USSAkgfLlNXeTRRs8jnCg7ihzfal7TGN8/12yK5BPLsCtZCtM5A50sFlkh+hbsMW1X7OFfX U3oxTQJ6Sa44XJrvZ2bg3EziJdOpONioULmbx9a1u3PfEr8Kr4tRYJ+0ZgZ048Xi80WbsX+H1k /NbemtEQKuGII1rBhigfZflWjq8lP2dPxHAlnrUEhcNIAHcHtQ4njBHPZ07ZMPi2znQOBwuvfK /AFBisx2amwYF1pf3ajZ32YceFuBmzUayULOE3TpR2EGOA==; ARC-Authentication-Results: i=1; zsh.org; iprev=pass (mail-oi1-f176.google.com) smtp.remote-ip=209.85.167.176; dkim=pass header.d=brasslantern-com.20150623.gappssmtp.com header.s=20150623 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-20200801; t=1607128113; bh=2tPaObmyJPiuYDKGQn8B7ZzQUyKOaBpecepg3H45OBE=; h=List-Archive:List-Owner:List-Post:List-Unsubscribe:List-Subscribe:List-Help: List-Id:Sender:Content-Type:To:Subject:Message-ID:Date:From:In-Reply-To: References:MIME-Version:DKIM-Signature:DKIM-Signature; b=tIPt2bn+WDCMyZ3N7mcgG5c3XnMs/PBywEDerqguDx3L6zEm+FdM8ciHqVxiSjZvPU9KvFzXak 37OiV5yYVCXzOUHIxoaBVHGgqmL0CUScu7B2Wc1Fr2bXQO6GmxAI0NlR0WJpYfhLe3pM/jGIIo PfnvGXiTJGxBs1xIsrD/MEBVKxoareaSu3BDOWEFdcSZaUzaY/fxHwd3h7AVXAWY4H6TFPQmpd IROkKUtj0e0QBwdYR+7R+Y4Ft9HWK26GH/vEIFZFPWt5OvjCAgE+DzHw5OFCmFeuQPkbQqIS2F b3gVjzZkIAL/dTvm7hTiHVU7AAV4JkE7WOUTpd+ro+tZqw==; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=zsh.org; s=rsa-20200801; h=List-Archive:List-Owner:List-Post:List-Unsubscribe: List-Subscribe:List-Help:List-Id:Sender:Content-Type:To:Subject:Message-ID: Date:From:In-Reply-To:References:MIME-Version:Reply-To:Cc: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=5eKDUD5QxeXBoQF9Uq65T10jAjdyf87l9joVgaw2OLc=; b=XiGYN6uLCr3c+k8NRip5B1OpcR Y6ZXj4k4R5NEhWI0M+Tc+ZEpRLcTgR7lUL0c7eqk1RVjn178n+9dNtlCbYFzjzBqr5JZAdZCwS2yA HKbyr0ifBV6BS9Onts5kVNSvYc6G22YnlIST7DweP/oGxNXV68xh+Vr0PV66beTwuS3IL6/NJlTxY ZpmRj6mZSGyosm0l+WFbsfE0EOcHdXxDEUvwypcFEoZJWVT1iZBmX1f3oWD6cPjj36U/RyCcKzmfT CRCj1yevIbPGsEmg2r4dVqc7mMeM+eqVeUM+eKklr4VpwapuWyyr28M8KFgaF1xnVypsIgOaF4Kf+ Afd4YH1g==; Received: from authenticated user by zero.zsh.org with local id 1klLR9-0005Hg-4a; Sat, 05 Dec 2020 00:28:31 +0000 Authentication-Results: zsh.org; iprev=pass (mail-oi1-f176.google.com) smtp.remote-ip=209.85.167.176; dkim=pass header.d=brasslantern-com.20150623.gappssmtp.com header.s=20150623 header.a=rsa-sha256; dmarc=none header.from=brasslantern.com; arc=none Received: from mail-oi1-f176.google.com ([209.85.167.176]:33766) by zero.zsh.org with esmtps (TLS1.3:TLS_AES_128_GCM_SHA256:128) id 1klLQy-000593-9X; Sat, 05 Dec 2020 00:28:21 +0000 Received: by mail-oi1-f176.google.com with SMTP id d27so689999oic.0 for ; Fri, 04 Dec 2020 16:28:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=brasslantern-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=5eKDUD5QxeXBoQF9Uq65T10jAjdyf87l9joVgaw2OLc=; b=VrxsnA9sxrMutkfl4nk260GZZvmbNynmCqBpQyW/dkAznUBQbYePbZISf6cLBmQb5L GYGSnuueRMd1+1bho4TKG/6g9/PWzptT1x5BjdrNquUVBa13sZPiA3O8sqfG8nEe61PB EdI+CX9WO0BTPhjPS3o33hqBF6BplVtmirt/a9vhK2/mI+6cD5Vfbuih4r6FhQq8S++z JZmLqAoidC+27SIQEMgjEOuoRUID41pdPO9nUkJ9qNga08+QXpR2XHtbC7hJxGwY5/Hr wgQIprtq976HEKrGiYCKR0a1ApAP4AUox1WHgPkSkgmr8hP6iKhsXCIlqmPwfC3psbwU pfxw== 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; bh=5eKDUD5QxeXBoQF9Uq65T10jAjdyf87l9joVgaw2OLc=; b=MG4khx5LUVGjhJgmhMIcu5XhQcw8YYBFNQadaKqmBXj9jADpPBIOL3KzvPXjdIifgm k9PeJPHRgt56Tk5myUnGwr1RNT62YaZ3uzIgA6Z9/NMxK+CC8ZcF4jrr1NLJIM5cvtPM pqgmFLbDVRbE/Kdh8znK5gXc/NzmpeTMVYiGjyv8hV8qj94xqWximCL9iBoX7uZQ2uDm 16RcADRKnpmURzgNvmyQPYA7v5xvfMbJOMhrbSq1oH2uvXlEq26jZsiIafUgGTJdUpF+ CbkJ23Pbu+GugOeAfF4VudVPDXxP86/bP8r1FWCmCI/wQfWQNHJymGSuR3JnFymNBdvX PNzg== X-Gm-Message-State: AOAM532YlzpVn5LE893/Y7eLOocpUCd2hlE7aQpp/cecRHSJ5plaB9Mu R1FjcB2LFw+aFZ7m7yxl/4tRDOCeHaRuMrbCTmhhU3RslYY= X-Google-Smtp-Source: ABdhPJxkWlt9vsd5c2mCFHRut3apqlAIkBBokaFhSvkmHBsiPDtuELsVn6sTYKVUjITYEvquAdcs/zmG8M7sW1w1/w0= X-Received: by 2002:aca:3001:: with SMTP id w1mr4963209oiw.84.1607128099106; Fri, 04 Dec 2020 16:28:19 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Bart Schaefer Date: Fri, 4 Dec 2020 16:28:07 -0800 Message-ID: Subject: Re: One possible answer to typeset vs. unset To: Zsh hackers list Content-Type: text/plain; charset="UTF-8" X-Seq: 47725 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: Archived-At: On Fri, Dec 4, 2020 at 7:49 AM Bart Schaefer wrote: > > The scalar struct param of a tied pair stores a direct pointer to the > internal array value of the array struct param, and upon assignment > modifies it without referring to the containing struct. > > I think this can be fixed but I don't want it to become inefficient. Fix for this is now pushed to the declarednull branch. It requires an extra getnode() the first time a tied scalar is assigned after being declared, and only when both the scalar and the array were declared uninitialized. So unless one is repeatedly creating/discarding tied pairs, it shouldn't make much difference.