Source Code for Me (s-c.me)

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class Person
  include ActiveModel::Serialization
 
  attr_accessor :attributes
  def initialize(attributes)
    @attributes = attributes
  end
end
 
p = Person.new(:first_name => "Yukihiro", :last_name => "Matsumoto")
p.to_json #=> %|{"first_name": "Yukihiro", "last_name": "Matsumoto"}|
p.to_json(:only => :first_name) #=> %|{"first_name": "Yukihiro"}|