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selvait90/OrderedHash.rb

Created July 27, 2015 19:43
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Ordered Hash
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OrderedHash.rb
>> oh=ActiveSupport::OrderedHash.new
=> #<OrderedHash {}>
>> oh
=> #<OrderedHash {}>
>> oh['secondary_entity_id']= "169435" => "169435"
>> oh["place_entity_attributes"] = {"id"=>"123456"}
=> {"id"=>"123456"}
>> oh
=> #<OrderedHash {"place_entity_attributes"=>{"id"=>"123456"}, "secondary_entity_id"=>"169435"}>
>> oh.sort.reverse
=> [["secondary_entity_id", "169435"], ["place_entity_attributes", {"id"=>"123456"}]]
?> Hash[oh.sort.reverse]
=> {"place_entity_attributes"=>{"id"=>"123456"}, "secondary_entity_id"=>"169435"}
>> OrderedHash[oh.sort.reverse]
NameError: uninitialized constant OrderedHash
from /home/selva/.rbenv/versions/ree-1.8.7-2012.02/lib/ruby/gems/1.8/bundler/gems/rails-63daeef511db/activesupport/lib/active_support/dependencies.rb:469:in `load_missing_co
nstant'
from /home/selva/.rbenv/versions/ree-1.8.7-2012.02/lib/ruby/gems/1.8/bundler/gems/rails-63daeef511db/activesupport/lib/active_support/dependencies.rb:106:in `const_missing'
from /home/selva/.rbenv/versions/ree-1.8.7-2012.02/lib/ruby/gems/1.8/bundler/gems/rails-63daeef511db/activesupport/lib/active_support/dependencies.rb:118:in `const_missing'
from (irb):120
from :0
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