From: "alexeymuranov (Alexey Muranov)" Date: 2013-02-07T16:52:07+09:00 Subject: [ruby-core:51969] [ruby-trunk - Feature #7796][Open] Hash#keys should return a set Issue #7796 has been reported by alexeymuranov (Alexey Muranov). ---------------------------------------- Feature #7796: Hash#keys should return a set https://bugs.ruby-lang.org/issues/7796 Author: alexeymuranov (Alexey Muranov) Status: Open Priority: Normal Assignee: Category: core Target version: Next Major =begin In my opinion, (({Hash#keys})) should return an instance of (({Set})). =end -- http://bugs.ruby-lang.org/