From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by sourceware.org (Postfix) with ESMTP id B6F883861836 for ; Tue, 16 Feb 2021 21:41:11 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org B6F883861836 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-599-__KRyCmVMkySgIenNcmgAA-1; Tue, 16 Feb 2021 16:41:07 -0500 X-MC-Unique: __KRyCmVMkySgIenNcmgAA-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7841C100A614; Tue, 16 Feb 2021 21:41:06 +0000 (UTC) Received: from redhat.com (ovpn-112-160.phx2.redhat.com [10.3.112.160]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 5B2571B4B4; Tue, 16 Feb 2021 21:41:06 +0000 (UTC) Received: from [127.0.0.1] (helo=vm-rhel7) by redhat.com with esmtp (Exim 4.94) (envelope-from ) id 1lC85g-0006YJ-SE; Tue, 16 Feb 2021 16:41:05 -0500 From: fche@redhat.com (Frank Ch. Eigler) To: Craig Ringer Cc: systemtap@sourceware.org Subject: Re: Associative array "pop" ? Date: Tue, 16 Feb 2021 16:40:52 -0500 References: Message-ID: <877dn77ksv.fsf@redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-6.7 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: systemtap@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Systemtap mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Feb 2021 21:41:13 -0000 Craig Ringer writes: > x_foo = foo[x] > if (x_foo != 0) > delete foo[x] > # do something with x_foo > } This is probably: https://sourceware.org/bugzilla/show_bug.cgi?id=10837 ... except the "value = delete foo[i]" syntax is kind of meh, and doesn't work with slice ops like "delete foo[*]". A functional syntax like @pop() would look okay. We try to not introduce new keywords, except in the @-space, and even there only with version-conditional parsing. - FChE