From: "alexeymuranov (Alexey Muranov)" Date: 2013-08-13T17:19:59+09:00 Subject: [ruby-core:56592] [ruby-trunk - Feature #6225] Hash#+ Issue #6225 has been updated by alexeymuranov (Alexey Muranov). Just a thought about Hash#+: maybe it can be used for merging only hashes with disjoint sets of keys, and return nil otherwise? ---------------------------------------- Feature #6225: Hash#+ https://bugs.ruby-lang.org/issues/6225#change-41128 Author: trans (Thomas Sawyer) Status: Rejected Priority: Normal Assignee: matz (Yukihiro Matsumoto) Category: core Target version: next minor Strings and Arrays can be combined with #+. I don't see any reason not to allow Hashes to do so as well. class Hash alias :+ :merge end -- http://bugs.ruby-lang.org/