On Sunday, August 31, 2014 10:09:27 PM UTC+1, Andrew Brown wrote: > I'm a little confused about how one is supposed to create an ordered hash. > As far as I can tell, ActiveSupport::OrderedHash does not provide a > constructor or a method that can create a hash from an array of pairs. Is > this a deliberate ommission? Hash also doesn't provide this, although later > versions of ruby provide .to_h on an array as a way of generating a hash. > Why isn't there an OrderedHash.from_a(<array of key, value pairs> method? > Why not, perhaps, have ActiveSupport patch Array to provide a ".to_ordered_h" > method on an array? If there's an obvious way to create an ordered hash, > please let me know about it, and my apologies if this has been discussed > before (I couldn't find any discussion of it myself). FWIW, my particular > application was converting an ordered CsvRow to an ordered hash, which seem > to involve my code than I felt should be necessary.
ActiveSupport::OrderedHash is a legacy concept. It's just the same as Hash on ruby 1.9 and above. You can construct a hash from an array of key value pairs with Hash[array_of_pairs] Fred -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/62d4a823-1ea6-4fb9-94e7-0399a2bb25e4%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
