If you're on 1.9 there is no slowdown with using OrderedHash vs Hash, as OrderedHash basically just inherits from Hash and does nothing else.
https://github.com/rails/rails/blob/master/activesupport/lib/active_support/ordered_hash.rb#L51 On Thu, 2011-07-14 at 22:05 -0400, Prem Sichanugrist wrote: > If your target deployment is Ruby 1.9, you *should* use Hash that come with > Ruby. It's guaranteed to be sorted, and it doesn't have the same overhead > that AS::OrderedHash has. > > Do you know that AS::OrderedHash is an array within array, and it's very > slow? Hash in 1.9 is written in C, and doesn't suffer the same slowness. > > - Prem > > On Jul 14, 2011, at 9:37 PM, Andrew Kaspick wrote: > > > Why don't you want to rely on it? It's documented behaviour, so you > > can totally rely on it. > > > > On Thu, Jul 14, 2011 at 5:47 PM, Alexey <[email protected]> wrote: > >> Hello, i have asked this question here: > >> https://www.ruby-forum.com/topic/2140803, but maybe you can answer quickly. > >> Is ActiveSupport::OrderedHash going to be maintained in Rails? > >> Its API page disappeared. > >> I do not want to rely on Hash's being ordered in Ruby 1.9 (mainly because > >> it > >> is not called OrderedHash). > >> Thank you, > >> Alexey. > >> > >> -- > >> You received this message because you are subscribed to the Google Groups > >> "Ruby on Rails: Core" group. > >> To view this discussion on the web visit > >> https://groups.google.com/d/msg/rubyonrails-core/-/FsZLFviGct0J. > >> To post to this group, send email to [email protected]. > >> To unsubscribe from this group, send email to > >> [email protected]. > >> For more options, visit this group at > >> http://groups.google.com/group/rubyonrails-core?hl=en. > >> > > > > -- > > You received this message because you are subscribed to the Google Groups > > "Ruby on Rails: Core" group. > > To post to this group, send email to [email protected]. > > To unsubscribe from this group, send email to > > [email protected]. > > For more options, visit this group at > > http://groups.google.com/group/rubyonrails-core?hl=en. > > > -- http://jonathanleighton.com/
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