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 2743919E002D for ; Sun, 20 Dec 2015 01:34:50 +0900 (JST) Received: from voscc.nagaokaut.ac.jp (voscc.nagaokaut.ac.jp [133.44.1.100]) by kankan.nagaokaut.ac.jp (Postfix) with ESMTP id 2F1C2B5D8A0 for ; Sun, 20 Dec 2015 02:07:02 +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 2362218CC7B8 for ; Sun, 20 Dec 2015 02:07:02 +0900 (JST) Received: from [221.186.184.76] (localhost [IPv6:::1]) by neon.ruby-lang.org (Postfix) with ESMTP id 5E07C1204FC; Sun, 20 Dec 2015 02:07:01 +0900 (JST) X-Original-To: ruby-core@ruby-lang.org Delivered-To: ruby-core@ruby-lang.org Received: from o10.shared.sendgrid.net (o10.shared.sendgrid.net [173.193.132.135]) by neon.ruby-lang.org (Postfix) with ESMTPS id B28CC12047F for ; Sun, 20 Dec 2015 02:06:57 +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=Y2eh6eFLOFeFR+VXdD6X0MVNhOA=; b=qQ8ltA4DtNJa2FwVL2 mMXspCvPToG7xT7RxMcT6CN+kJiFnfcbjiacJYHF8lJB2V+7+Rnu+tZlgdA9p2Aw La6cg6UlXGAAlcRc+U8CSrmRyZ0r52KXmaR6E772z9JymqTHlDxOvBu+hKrVEO6g 9NBofNt8DO2YogxEW3OTMrluA= Received: by filter0448p1mdw1.sendgrid.net with SMTP id filter0448p1mdw1.30787.56758EAA74 2015-12-19 17:06:50.94238345 +0000 UTC Received: from herokuapp.com (ec2-54-147-174-184.compute-1.amazonaws.com [54.147.174.184]) by ismtpd0001p1iad1.sendgrid.net (SG) with ESMTP id Z7eOCYLKTGy_C6SiOGW9Vg for ; Sat, 19 Dec 2015 17:06:51.091 +0000 (UTC) Date: Sat, 19 Dec 2015 17:06:51 +0000 From: prodis@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: 46986 X-Redmine-Project: ruby-trunk X-Redmine-Issue-Id: 11848 X-Redmine-Issue-Author: prodis X-Redmine-Sender: prodis 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/Ymy4QrNMhiuLXJG8OTL2vJD1yS4dfujyGAgqKetmFpqlUlqGMBXb/Y37jLG0A1 W5ZoJE0EIIKeqnI+SyRBHw4frWBOIMtt0B6l60l+7F4tnCgi8+FHZK3qkDqaiNK3UfM9aQTMWK0cxd Qw8KnT+OCRVNmdgPk4i5F5XgBwG8HPWq899J X-ML-Name: ruby-core X-Mail-Count: 72391 Subject: [ruby-core:72391] [Ruby trunk - Feature #11848] New #to_b method for String, Symbol, Numeric, NilClass, TrueClass and FalseClass. 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 #11848 has been updated by Fernando Hamasaki de Amorim. Tracker changed from Bug to Feature ---------------------------------------- Feature #11848: New #to_b method for String, Symbol, Numeric, NilClass, TrueClass and FalseClass. https://bugs.ruby-lang.org/issues/11848#change-55678 * Author: Fernando Hamasaki de Amorim * Status: Open * Priority: Normal * Assignee: ---------------------------------------- New ***to_b*** method converts **strings**, **symbols**, **numbers** and **nil** values in a **boolean** value. ***to_b*** method is available on ***String***, ***Symbol***, ***Numeric***, ***TrueClass***, ***FalseClass*** and ***NilClass*** classes. ## String Returns ***true*** if string is one of **t**, **true**, **on**, **y**, **yes** or **1** values. Returns ***false*** otherwise. Ignores trailing spaces and letter cases. ~~~ruby 't'.to_b # => true 'true'.to_b # => true 'on'.to_b # => true 'y'.to_b # => true 'yes'.to_b # => true '1'.to_b # => true ''.to_b # => false '0'.to_b # => false '2'.to_b # => false '-1'.to_b # => false 'f'.to_b # => false 'false'.to_b # => false 'off'.to_b # => false 'n'.to_b # => false 'no'.to_b # => false 'wherever'.to_b # => false ~~~ ## Symbol Same as ***symbol.to_s.to_b***. ~~~ruby :'1'.to_b # => true :t.to_b # => true :true.to_b # => true :on.to_b # => true :y.to_b # => true :yes.to_b # => true :f.to_b # => false :false.to_b # => false :off.to_b # => false :n.to_b # => false :no.to_b # => false :wherever.to_b # => false ~~~ ## Numeric Returns ***false*** if number is **zero**. Returns ***true*** otherwise. ### Integer ~~~ruby 0.to_b # => false 1.to_b # => true 2.to_b # => true -1.to_b # => true -2.to_b # => true ~~~ ### Float ~~~ruby 0.0.to_b # => false 0.1.to_b # => true 1.0.to_b # => true -0.1.to_b # => true -1.0.to_b # => true ~~~ ### BigDecimal ~~~ruby require 'bigdecimal' BigDecimal('0.0').to_b # => false BigDecimal('0.1').to_b # => true BigDecimal('1.0').to_b # => true BigDecimal('-0.1').to_b # => true BigDecimal('-1.0').to_b # => true ~~~ ## NilClass Returns ***false***. ~~~ruby nil.to_b # => false ~~~ ## TrueClass Returns ***true***. ~~~ruby true.to_b # => true ~~~ ## FalseClass Returns ***false***. ~~~ruby false.to_b # => false ~~~ ---Files-------------------------------- to_b_method.diff (9.63 KB) -- https://bugs.ruby-lang.org/