↓もできるし別にいいのかな？？実行できてるけど謎のエラーが出てるけど。 1> let a: (Int, String).Type = (Int, String).self a: (Int, String).Type = (Int, String) error: could not fetch result -- error: Couldn't apply expression side effects : Couldn't dematerialize a: corresponding symbol wasn't found
