kuukaix https://blog.hatena.ne.jp/kuukaix/ kuukaixの日記 https://kuukaix.hatenablog.com/ Swift /* 変数の型宣言と型推論 */ var welcomeMessage: String var pi: Double = 3 var piFl: Float = 3 var piInt: Int = 3 var piAuto = 3 pi = 3.14 piFl = 3.14 // piInt = 3.14 // error: cannot assign value of type 'Double' to type 'Int' // piAuto = 3.14 // error: cannot assign value of type 'Double' to type 'Int' 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkuukaix.hatenablog.com%2Fentry%2F2021%2F02%2F24%2F204955" title="変数の型宣言と型推論 - kuukaixの日記" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2021-02-24 20:49:55 rich https://kuukaix.hatenablog.com/entry/2021/02/24/204955 1.0 100%