<div class="chatlog__message-group">
  <div id="chatlog__message-container-422702883025321984" class="chatlog__message-container" data-message-id="422702883025321984">
    <div class="chatlog__message">
      <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>
      <div class="chatlog__message-primary">
        <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/411450033414733824?category=開発環境, ライブラリ&amp;channel=rx&amp;message_id=422703301747015681"><span class="chatlog__timestamp" title="Monday, March 12, 2018 10:30 AM"></span></a><a href="#chatlog__message-container-422702883025321984">3/12/2018 10:30 AM</a></div>
        <div class="chatlog__content chatlog__markdown"><span class="chatlog__markdown-preserve">なるほど〜〜〜ｗ</span></div>
      </div>
    </div>
  </div>
  <div id="chatlog__message-container-422703134855397376" class="chatlog__message-container" data-message-id="422703134855397376">
    <div class="chatlog__message">
      <div class="chatlog__message-aside">
        <div class="chatlog__short-timestamp" title="Monday, March 12, 2018 10:31 AM">10:31 AM</div>
      </div>
      <div class="chatlog__message-primary">
        <div class="chatlog__content chatlog__markdown"><span class="chatlog__markdown-preserve">ということは・・・ 一番最初の <div class="chatlog__markdown-quote">
              <div class="chatlog__markdown-quote-border"></div>
              <div class="chatlog__markdown-quote-content">doのonErrorとonCompletedに共通の処理を書きたくない。。。 </div>
            </div>に対して、 onDispose と回答するのは微妙に間違いなのか。</span></div>
      </div>
    </div>
  </div>
  <div id="chatlog__message-container-422703201268006914" class="chatlog__message-container" data-message-id="422703201268006914">
    <div class="chatlog__message">
      <div class="chatlog__message-aside">
        <div class="chatlog__short-timestamp" title="Monday, March 12, 2018 10:31 AM">10:31 AM</div>
      </div>
      <div class="chatlog__message-primary">
        <div class="chatlog__content chatlog__markdown"><span class="chatlog__markdown-preserve">外側からDisposeした場合をフックするかどうかの振る舞いが異なる。</span></div>
      </div>
    </div>
  </div>
  <div id="chatlog__message-container-422703301747015681" class="chatlog__message-container" data-message-id="422703301747015681">
    <div class="chatlog__message">
      <div class="chatlog__message-aside">
        <div class="chatlog__short-timestamp" title="Monday, March 12, 2018 10:32 AM">10:32 AM</div>
      </div>
      <div class="chatlog__message-primary">
        <div class="chatlog__content chatlog__markdown"><span class="chatlog__markdown-preserve">盲点だった。</span></div>
      </div>
    </div>
  </div>
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