lambda replaced with an instance of a new class

simple.rb

module Pluralizations

  # Uses English pluralization rules -- it will pick the first translation if count is not equal to 1
  # and the second translation if it is equal to 1.
  class OneOther
    def get_symbol(n)
      n == 1 ? :one : :other
    end
  end
end

        # Picks a pluralization rule specified in translation tables for a language or
        # uses default pluralization rules.
        #
        # This is how pluralization rules are defined in translation tables, English
        # language for example:
        #
        #   store_translations :'en-US', {
        #     :pluralize => Pluralizations::OneOther.new
        #   }
        #
        # Rule must return a symbol to use with pluralization, it must be one of:
        #   :zero, :one, :two, :few, :many, :other
        def pluralize(locale, entry, count)
          return entry unless entry.is_a?(Hash) and count

          key = :zero if count == 0 && entry.has_key?(:zero)
          key ||= locale.pluralize.get_symbol(count)
          raise InvalidPluralizationData.new(entry, count) unless entry.has_key?(key)

          entry[key]
        end