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      <div class="chatlog__message-aside"><img class="chatlog__avatar" src="https://cdn.discordapp.com/avatars/189711109966659584/95280765d1be73ce985dce15ea3585f6.png?size=512" alt="Avatar" loading="lazy"></div>
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        <div class="chatlog__header"><span class="chatlog__author" style="color:rgb(237,171,161)" title="omochimetaru" data-user-id="189711109966659584">omochimetaru</span> <a href="/channels/375206337937801216?category=main&amp;channel=swift-zatsu&amp;message_id=416420830759747596"><span class="chatlog__timestamp" title="Friday, February 23, 2018 2:27 AM"></span></a><a href="#chatlog__message-container-416420811331862529">2/23/2018 2:27 AM</a></div>
        <div class="chatlog__content chatlog__markdown"><span class="chatlog__markdown-preserve"><code class="chatlog__markdown-pre chatlog__markdown-pre--multiline language-swift">// 親？クラス struct Animal { var name: String func speak() -&gt; String { return "I am \(name)" } } // トリックここから protocol AnimalExtend { var animal: Animal { get set } var name: String { get set } func speak() -&gt; String } extension AnimalExtend { var name: String { get { return animal.name } set { animal.name = newValue } } func speak() -&gt; String { return animal.speak() } } // トリックここまで // ユーザー例 // プロトコル指定は継承指示 struct Cat : AnimalExtend { // コンパイルエラーがでるのでこれを定義 var animal: Animal // 必然的にこれも書くことになる init(name: String) { animal = Animal(name: name) } } print(Cat(name: "tama").speak()) // ok</code></span></div>
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        <div class="chatlog__short-timestamp" title="Friday, February 23, 2018 2:27 AM">2:27 AM</div>
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        <div class="chatlog__content chatlog__markdown"><span class="chatlog__markdown-preserve">こうやる。</span></div>
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