<div class="chatlog__message-group">
  <div id="chatlog__message-container-1276468979874926592" class="chatlog__message-container" data-message-id="1276468979874926592">
    <div class="chatlog__message">
      <div class="chatlog__message-aside">
        <div class="chatlog__reply-symbol"></div><img class="chatlog__avatar" src="https://cdn.discordapp.com/avatars/1150264002769850368/befa9943720ff623e6565c62a94f49a8.png?size=512" alt="Avatar" loading="lazy">
      </div>
      <div class="chatlog__message-primary">
        <div class="chatlog__reply"><img class="chatlog__reply-avatar" src="https://cdn.discordapp.com/avatars/189711109966659584/95280765d1be73ce985dce15ea3585f6.png?size=512" alt="Avatar" loading="lazy">
          <div class="chatlog__reply-author" style="color:rgb(237,171,161)" title="omochimetaru">omochimetaru</div>
          <div class="chatlog__reply-content"><span class="chatlog__reply-link" onclick="scrollToMessage(event,'1276458517317812303')"> <span class="chatlog__markdown-mention" title="swift510#6439">@swift-5.10.1</span> <span class="chatlog__markdown-mention" title="swift60#4418">@swift-6.0.3</span> <span class="chatlog__markdown-mention" title="swiftNightly#5501">@swift-main</span> -strict-concurrency=complete <code class="chatlog__markdown-pre chatlog__markdown-pre--multiline language-swift">@propertyWrapper struct W&lt;T&gt; { var wrappedValue: T { fatalError() } } extension W: Sendable where T: Sendable {} struct K: Sendable { init() {} func hi() {} } // 間違った警告が出る func main1() async throws { @W var k: K Task { k.hi() } k.hi() } // 本質的に以下と等価なはず // これだと警告は出ない func main2() async throws { let k: W&lt;K&gt; = .init() Task { k.wrappedValue.hi() } k.wrappedValue.hi() }</code> </span> <span class="chatlog__reply-edited-timestamp" title="Friday, August 23, 2024 8:33 AM">(edited)</span></div>
        </div>
        <div class="chatlog__header"><span class="chatlog__author" style="color:rgb(52,152,219)" title="swift510#6439" data-user-id="1150264002769850368">swift510</span> <span class="chatlog__author-tag">BOT</span> <a href="/channels/430242233468452865?category=main&amp;channel=swiftbot-sandbox&amp;message_id=1276468979874926592"><span class="chatlog__timestamp" title="Friday, August 23, 2024 9:12 AM"></span></a><a href="#chatlog__message-container-1276468979874926592">8/23/2024 9:12 AM</a></div>
        <div class="chatlog__content chatlog__markdown"><span class="chatlog__markdown-preserve">no output</span></div>
      </div>
    </div>
  </div>
</div>