From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-Status: No, score=-3.1 required=3.0 tests=AWL,BAYES_00, DKIM_ADSP_CUSTOM_MED,FORGED_GMAIL_RCVD,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from neon.ruby-lang.org (neon.ruby-lang.org [221.186.184.75]) by dcvr.yhbt.net (Postfix) with ESMTP id 93F9B1F66E for ; Tue, 11 Aug 2020 16:10:39 +0000 (UTC) Received: from neon.ruby-lang.org (localhost [IPv6:::1]) by neon.ruby-lang.org (Postfix) with ESMTP id 932EE1209EF; Wed, 12 Aug 2020 01:10:05 +0900 (JST) Received: from xtrwkhkc.outbound-mail.sendgrid.net (xtrwkhkc.outbound-mail.sendgrid.net [167.89.16.28]) by neon.ruby-lang.org (Postfix) with ESMTPS id 1127A1209EE for ; Wed, 12 Aug 2020 01:10:02 +0900 (JST) Received: by filterdrecv-p3las1-559bd7b968-cwwf6 with SMTP id filterdrecv-p3las1-559bd7b968-cwwf6-20-5F32C2F7-22 2020-08-11 16:10:31.240267812 +0000 UTC m=+1115661.686385339 Received: from herokuapp.com (unknown) by ismtpd0003p1iad1.sendgrid.net (SG) with ESMTP id zMtpkeKZRk-Y6BTwIXRZUQ for ; Tue, 11 Aug 2020 16:10:31.075 +0000 (UTC) Date: Tue, 11 Aug 2020 16:10:31 +0000 (UTC) From: gamelinks007@gmail.com Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Redmine-MailingListIntegration-Message-Ids: 75386 X-Redmine-Project: ruby-master X-Redmine-Issue-Tracker: Feature X-Redmine-Issue-Id: 17116 X-Redmine-Issue-Author: S_H_ X-Redmine-Sender: S_H_ X-Mailer: Redmine X-Redmine-Host: bugs.ruby-lang.org X-Redmine-Site: Ruby Issue Tracking System X-Auto-Response-Suppress: All Auto-Submitted: auto-generated X-SG-EID: =?us-ascii?Q?hkhH+VYi3CHo0H3puLbdQ20XoWHmZIf5UShlDYZVe97+AdprZzJB7+uYUCeGRA?= =?us-ascii?Q?WqyUbcVnP98+AZv8k6wkXEm3NuM1L2+IC2OrAE=2F?= =?us-ascii?Q?=2FRfcWazyry2niBBJK3y+kZeXsdXENAz8ILRvDdy?= =?us-ascii?Q?cSuktGagAoz21erQ+9J+WwX1mzDfwEQhyMQJcrj?= =?us-ascii?Q?SS2GM8obXF3r56maMRpi8ttIfspqF+qPf7EJ98r?= =?us-ascii?Q?Etm3fcEy18VvwkN6s=3D?= To: ruby-dev@ruby-lang.org X-ML-Name: ruby-dev X-Mail-Count: 50945 Subject: [ruby-dev:50945] [Ruby master Feature#17116] raise ArgumentError in Enumerator#new in no given blocks X-BeenThere: ruby-dev@ruby-lang.org X-Mailman-Version: 2.1.15 Precedence: list Reply-To: "Ruby developers \(Japanese\)" List-Id: "Ruby developers \(Japanese\)" List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: ruby-dev-bounces@ruby-lang.org Sender: "ruby-dev" Issue #17116 has been reported by S_H_ (Shun Hiraoka). ---------------------------------------- Feature #17116: raise ArgumentError in Enumerator#new in no given blocks https://bugs.ruby-lang.org/issues/17116 * Author: S_H_ (Shun Hiraoka) * Status: Open * Priority: Normal ---------------------------------------- Now, `Enumerator#new` is allow this code(no given blocks). ```ruby obj = Object.new Enumerator.new(obj) ``` But, warning is displayed(since `ruby-2.0.0-preview2`). ```bash -e:1: warning: Enumerator.new without a block is deprecated; use Object#to_enum instead ``` I think it's okay to remove this behaviour. And I think that it seems natural to raise ArgumentError if no block given. -- https://bugs.ruby-lang.org/