Ruby 2.2 will add almost-automatic-freezing of string hash keys[1]. I wonder how big of an impact this will have on Rails performance. [1] http://www.sitepoint

Ruby 2.2 will add almost-automatic-freezing of string hash keys[1]. I wonder how big of an impact this will have on Rails performance. [1] http://www.sitepoint.com/unraveling-string-key-performance-ruby-2-2/ http://www.sitepoint.com/unraveling-string-key-performance-r...