resource acquisition is initialization
RAII
/suto3/google.icon
resource acquisition is initialization
/suto3/Google画像検索.icon
resource acquisition is initialization
/suto3/Google定義検索.icon
resource acquisition is initialization
/suto3/wikipedia.icon
resource acquisition is initialization
/suto3/weblio.icon
resource acquisition is initialization
/suto3/kotobank.icon
resource acquisition is initialization
/suto3/jisho.icon
resource acquisition is initialization