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 8083D1960007 for ; Fri, 19 Jun 2015 06:34:08 +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 1E815B5D8B0 for ; Fri, 19 Jun 2015 06:56:59 +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 C2EAC97A826 for ; Fri, 19 Jun 2015 06:56:59 +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 eg9woJ3l2ZWV for ; Fri, 19 Jun 2015 06:56:59 +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 618E897A820 for ; Fri, 19 Jun 2015 06:56:59 +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 D4862952446 for ; Fri, 19 Jun 2015 06:56:53 +0900 (JST) Received: from [221.186.184.76] (localhost [IPv6:::1]) by neon.ruby-lang.org (Postfix) with ESMTP id 5A009120479; Fri, 19 Jun 2015 06:56:41 +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 6B208120036 for ; Fri, 19 Jun 2015 06:56:24 +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=8QO9yb2UPXXWqgyslxrRMmzkHq0=; b=a/fvgHVDx22lbIVMV7 qOGEF0eU0z+lCZb8HBL228Jn1tP+qGDusIG6N4jh97GR0EhPyVTO32iYsUQBDms6 ewwI9A3FXW9T+BgBmaqWbjSaDjgUhw0tB39aQVCQLHjJNaBS8gHTovnpJv4YigHr gSXFbr+VBYhplG6laTWFmP4Qs= Received: by filter0634p1mdw1.sendgrid.net with SMTP id filter0634p1mdw1.25787.55833E8213 2015-06-18 21:56:19.480253458 +0000 UTC Received: from herokuapp.com (ec2-54-82-90-124.compute-1.amazonaws.com [54.82.90.124]) by ismtpd-031 (SG) with ESMTP id 14e08ac3129.5824.2bc77d Thu, 18 Jun 2015 21:56:19 +0000 (UTC) Date: Thu, 18 Jun 2015 21:56:18 +0000 From: 0x0dea+redmine@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: 44216 X-Redmine-Project: ruby-trunk X-Redmine-Issue-Id: 11283 X-Redmine-Issue-Author: nepalez X-Redmine-Sender: 0x0dea 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: ync6xU2WACa70kv/Ymy4QrNMhiuLXJG8OTL2vJD1yS5RAfP8GQE4LioZpsusBK9oUIqNfbP31GLHxJ FbwUEpzSMQ9jgJsCP8YVGC0PZkegl+R2ThL9UGYJ6gQbmMj6nYSbhkb4mDllUA/G6ot+wv5qAypymZ 2hMoZlR+pAvJ8hyKGvqiTEBA03vpfkBkowu+ X-ML-Name: ruby-core X-Mail-Count: 69667 Subject: [ruby-core:69667] [Ruby trunk - Bug #11283] Block assigned implicitly 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 #11283 has been updated by D.E. Akers. Andrew, what would you like Ruby to do when you attempt to define a method with no body? ---------------------------------------- Bug #11283: Block assigned implicitly https://bugs.ruby-lang.org/issues/11283#change-53027 * Author: Andrew Kozin * Status: Open * Priority: Normal * Assignee: * ruby -v: 1.9.3, 2.0, 2.1, 2.2, ruby-head * Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN ---------------------------------------- That is how it works: module Test def self.build(&block) klass = Class.new(Object) klass.__send__(:define_method, :foo) klass.__send__(:define_method, :bar) klass end end Tested = Test.build { :foo } # warning: tried to create Proc object without a block # => Tested Tested.new.foo # => :foo Tested.new.bar # => :foo The block is assigned to all calls to `:define_method` via `Object#__send__` implicitly, while it wasn't asked to. The behaviour is tested under MRI 1.9.3, 2.0, 2.1, 2.2, ruby-head. It doesn't occur under rbx-2 and jruby (1.7, 9.0.0.0). For the context look at this thread https://github.com/mbj/mutant/issues/356 -- https://bugs.ruby-lang.org/