persistent data structure
copy-on-write
navigational database
persistent data
retroactive data structures
purely functional data structure
/suto3/google.icon
persistent data structure
/suto3/Google画像検索.icon
persistent data structure
/suto3/Google定義検索.icon
persistent data structure
/suto3/wikipedia.icon
persistent data structure
/suto3/weblio.icon
persistent data structure
/suto3/kotobank.icon
persistent data structure
/suto3/jisho.icon
persistent data structure