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-ASN: AS4713 221.184.0.0/13 X-Spam-Status: No, score=-4.1 required=3.0 tests=AWL,BAYES_00, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_PASS 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 1C3731F463 for ; Thu, 28 Nov 2019 04:20:07 +0000 (UTC) Received: from neon.ruby-lang.org (localhost [IPv6:::1]) by neon.ruby-lang.org (Postfix) with ESMTP id 44B71120AE8; Thu, 28 Nov 2019 13:19:56 +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 E29EB120AE7 for ; Thu, 28 Nov 2019 13:19:52 +0900 (JST) Received: by filter0193p3mdw1.sendgrid.net with SMTP id filter0193p3mdw1-16384-5DDF4AE6-F 2019-11-28 04:19:50.854288414 +0000 UTC m=+707289.361201249 Received: from herokuapp.com (unknown [3.87.7.191]) by ismtpd0037p1mdw1.sendgrid.net (SG) with ESMTP id qhk9uoUYTlyNP5XcONnRYQ for ; Thu, 28 Nov 2019 04:19:50.719 +0000 (UTC) Date: Thu, 28 Nov 2019 04:19:50 +0000 (UTC) From: nobu@ruby-lang.org Message-ID: References: Mime-Version: 1.0 X-Redmine-MailingListIntegration-Message-Ids: 71640 X-Redmine-Project: ruby-trunk X-Redmine-Issue-Id: 15323 X-Redmine-Issue-Author: alfonsojimenez X-Redmine-Sender: nobu 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?q8Dly+pU2+3ektTtZVXgZtbJPXwqo7p86jCsvYTW4Bx=2FRE15B9A5y189rXvbdk?= =?us-ascii?Q?9zkt3tXbKoitsmjUZ8UlOeQA7ZsKiM1U1aADhS1?= =?us-ascii?Q?EpDH+hvBF0KRkCSpkCsuBypMcEAcUHZ+H5i7P6B?= =?us-ascii?Q?jVzwP3fAfTLQeTMK42QpjFDCDoTKKIliogj+DTF?= =?us-ascii?Q?Lp9LJ2r=2F6x6vmJCyNBdttjh=2FRLscaVq1dHA=3D=3D?= To: ruby-core@ruby-lang.org X-ML-Name: ruby-core X-Mail-Count: 96005 Subject: [ruby-core:96005] [Ruby master Feature#15323] [PATCH] Proposal: Add Enumerable#filter_map 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: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Errors-To: ruby-core-bounces@ruby-lang.org Sender: "ruby-core" Issue #15323 has been updated by nobu (Nobuyoshi Nakada). It seems OK as the original proposal is same as the current behavior. ---------------------------------------- Feature #15323: [PATCH] Proposal: Add Enumerable#filter_map https://bugs.ruby-lang.org/issues/15323#change-82841 * Author: alfonsojimenez (Alfonso Jim=E9nez) * Status: Closed * Priority: Normal * Assignee: = * Target version: = ---------------------------------------- This is a proposal for a combined `filter` + `map` method (https://bugs.rub= y-lang.org/issues/5663). This method both filters and maps the elements of an enumerable in just one= iteration: ~~~ ruby (1..10).filter_map { |i| i * 2 if i.even? } #=3D> [4, 8, 12, 16, 20] ~~~ GitHub PR: https://github.com/ruby/ruby/pull/2017 = ---Files-------------------------------- 0001-Adding-Enumerable-filter_map.patch (4.61 KB) -- = https://bugs.ruby-lang.org/ Unsubscribe: