object lifetime
resource acquisition is initialization (RAII), an approach to managing resources by tying them to object lifetime
/suto3/google.iconobject lifetime
/suto3/Google画像検索.iconobject lifetime
/suto3/Google定義検索.icon object lifetime
/suto3/wikipedia.iconobject lifetime
/suto3/weblio.icon object lifetime
/suto3/kotobank.icon object lifetime
/suto3/jisho.icon object lifetime