dict_resourceable.rb

#!/usr/bin/env ruby

require 'ostruct'
require 'pry'

CEDict = Struct.new :trad, :simp, :pinyin, :glosses
JMDict = Struct.new :kanji, :kana, :glosses

module DictResourceable
  %i[word pronunciation meanings].each do |msg|
    define_method msg do
      self.send FIELD_TYPES[self.class][__method__]
    end
  end

private

  FIELD_TYPES = {
    JMDict => {
      word:           :kanji,
      pronunciation:  :kana,
      meanings:       :glosses,
      # part_of_speech: :pos,
    },
    CEDict => {
      word:           :trad,
      pronunciation:  :pinyin,
      meanings:       :glosses,
    }
  }
end

JMDict.include DictResourceable

de = JMDict.new '漢字', 'かんじ', [ 'Kanji', 'Chinese characters' ]

de.meanings # => [ 'Kanji', 'Chinese characters' ]

binding.pry