From: usa@... Date: 2016-05-19T06:52:31+00:00 Subject: [ruby-core:75608] [Ruby trunk Bug#12395][Feedback] Class descendant_types ruby2.3.0, ruby 2.3.1 Issue #12395 has been updated by Usaku NAKAMURA. Status changed from Open to Feedback Ruby doesn't have such method. What do you want to say about? Some gems? ---------------------------------------- Bug #12395: Class descendant_types ruby2.3.0, ruby 2.3.1 https://bugs.ruby-lang.org/issues/12395#change-58744 * Author: Ross Cameron * Status: Feedback * Priority: Normal * Assignee: * ruby -v: 2.3.0, 2.3.1 * Backport: 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN ---------------------------------------- descendant_types method call on any class results in the following error message: TypeError::can't create instance of singleton class Problem does not exist in ruby-2.2.2 -- https://bugs.ruby-lang.org/ Unsubscribe: