From: Matthew Kerwin <matthew@...>
Date: 2014-06-22T09:41:45+10:00
Subject: [ruby-core:63271] Re: [ruby-trunk - Feature #9970] [Open] Add `Hash#map_keys` and `Hash#map_values`

Duplicate of #7793 ?

-- 
  Matthew Kerwin
  http://matthew.kerwin.net.au/