purely functional data structure
persistent data structure
/suto3/google.icon
purely functional data structure
/suto3/Google画像検索.icon
purely functional data structure
/suto3/Google定義検索.icon
purely functional data structure
/suto3/wikipedia.icon
purely functional data structure
/suto3/weblio.icon
purely functional data structure
/suto3/kotobank.icon
purely functional data structure
/suto3/jisho.icon
purely functional data structure