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require 'active_support/inflector'

class Integer
  # Ordinalize turns a number into an ordinal string used to denote the
  # position in an ordered sequence such as 1st, 2nd, 3rd, 4th.
  #
  #   1.ordinalize    # => "1st"
  #   2.ordinalize    # => "2nd"
  #   1002.ordinalize # => "1002nd"
  #   1003.ordinalize # => "1003rd"
  def ordinalize
    ActiveSupport::Inflector.ordinalize(self)
  end
end