From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Original-To: poffice@blade.nagaokaut.ac.jp Delivered-To: poffice@blade.nagaokaut.ac.jp Received: from kankan.nagaokaut.ac.jp (kankan.nagaokaut.ac.jp [133.44.2.24]) by blade.nagaokaut.ac.jp (Postfix) with ESMTP id 8D5A517DE2DF for ; Mon, 23 Feb 2015 00:10:30 +0900 (JST) Received: from funfun.nagaokaut.ac.jp (funfun.nagaokaut.ac.jp [133.44.2.201]) by kankan.nagaokaut.ac.jp (Postfix) with ESMTP id 18C8BB5D904 for ; Mon, 23 Feb 2015 00:13:59 +0900 (JST) Received: from funfun.nagaokaut.ac.jp (localhost.nagaokaut.ac.jp [127.0.0.1]) by funfun.nagaokaut.ac.jp (Postfix) with ESMTP id D83B797A834 for ; Mon, 23 Feb 2015 00:14:01 +0900 (JST) X-Virus-Scanned: amavisd-new at nagaokaut.ac.jp Authentication-Results: funfun.nagaokaut.ac.jp (amavisd-new); dkim=fail (1024-bit key) reason="fail (message has been altered)" header.d=sendgrid.me Received: from funfun.nagaokaut.ac.jp ([127.0.0.1]) by funfun.nagaokaut.ac.jp (funfun.nagaokaut.ac.jp [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id GdZDNNH8FJFh for ; Mon, 23 Feb 2015 00:14:01 +0900 (JST) Received: from voscc.nagaokaut.ac.jp (voscc.nagaokaut.ac.jp [133.44.1.100]) by funfun.nagaokaut.ac.jp (Postfix) with ESMTP id B5EE897A82C for ; Mon, 23 Feb 2015 00:14:01 +0900 (JST) Received: from neon.ruby-lang.org (neon.ruby-lang.org [221.186.184.75]) by voscc.nagaokaut.ac.jp (Postfix) with ESMTP id BC8EB95241A for ; Mon, 23 Feb 2015 00:13:57 +0900 (JST) Received: from [221.186.184.76] (localhost [IPv6:::1]) by neon.ruby-lang.org (Postfix) with ESMTP id E51CB1204A3; Mon, 23 Feb 2015 00:13:57 +0900 (JST) X-Original-To: ruby-core@ruby-lang.org Delivered-To: ruby-core@ruby-lang.org Received: from o2.heroku.sendgrid.net (o2.heroku.sendgrid.net [67.228.50.55]) by neon.ruby-lang.org (Postfix) with ESMTPS id D8E9F120491 for ; Mon, 23 Feb 2015 00:13:54 +0900 (JST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sendgrid.me; h=from:to:references:subject:mime-version:content-type:content-transfer-encoding:list-id; s=smtpapi; bh=TVBaraPybfmROhfurTh6F2Z7BaE=; b=p4sjHXWkO+SQB0mQko y1qB4MBAa/T3tI9PUS7a1yXXT5ECRvOUWE7Vp5iD0QU7zvCu5vre3tnxdnpeabsu HVXT/Vda73B2+luAqhhU/lxtt5nInPQOUE8qjovjeVS39+xmV3IAHs9TmYKSNIj0 WMjq705CcS5MvOYjRQBxWzfOk= Received: by filter0179p1mdw1.sendgrid.net with SMTP id filter0179p1mdw1.32059.54E9F22DA 2015-02-22 15:13:49.869278438 +0000 UTC Received: from herokuapp.com (ec2-54-161-58-170.compute-1.amazonaws.com [54.161.58.170]) by ismtpd-005 (SG) with ESMTP id 14bb1da02f7.6ff.72bae6 for ; Sun, 22 Feb 2015 15:13:49 +0000 (UTC) Date: Sun, 22 Feb 2015 15:13:49 +0000 From: sawadatsuyoshi@gmail.com To: ruby-core@ruby-lang.org Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Redmine-MailingListIntegration-Message-Ids: 42656 X-Redmine-Project: ruby-trunk X-Redmine-Issue-Id: 10880 X-Redmine-Issue-Author: sawa X-Redmine-Sender: sawa X-Mailer: Redmine X-Redmine-Host: bugs.ruby-lang.org X-Redmine-Site: Ruby Issue Tracking System X-Auto-Response-Suppress: OOF Auto-Submitted: auto-generated X-SG-EID: ync6xU2WACa70kv/Ymy4QrNMhiuLXJG8OTL2vJD1yS4OyFTxWeZjb/KEgSeWASf8xlvycECQs4hE58 3/pUbrg2xdk5oVd1MULC5iDb3h4/Fi89LoiebRMEtcjsHvBd+XlqH75//YuLAoXPvPVFCVk0OUuSsf RSzAVs5dVQB+HpqQmMTNLI0MUjSGz5RV8n7f X-ML-Name: ruby-core X-Mail-Count: 68228 Subject: [ruby-core:68228] [Ruby trunk - Feature #10880] Subclassing Array from Enumerator X-BeenThere: ruby-core@ruby-lang.org X-Mailman-Version: 2.1.15 Precedence: list Reply-To: Ruby developers List-Id: Ruby developers List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: ruby-core-bounces@ruby-lang.org Sender: "ruby-core" Issue #10880 has been updated by Tsuyoshi Sawada. Marc-Andre Lafortune wrote: > > I use with_index and with_object frequently. > > Any reason why you wouldn't simply use `each_with_index` and `each_with_object`? I want to provide an optional starting number (most often `1`) to the former. ---------------------------------------- Feature #10880: Subclassing Array from Enumerator https://bugs.ruby-lang.org/issues/10880#change-51590 * Author: Tsuyoshi Sawada * Status: Open * Priority: Normal * Assignee: ---------------------------------------- It often happens that I want to use a method from the `Enumerator` class on an array, and so I frequently use `Array#to_enum`. Since `Array` and `Enumerator` share the same parent `Enumerable`, they should be very close. I think it would be convenient if `Array` inherits from `Enumerator`. (Perhaps the same thing can be said for `Hash` too) -- https://bugs.ruby-lang.org/