ators.html"><strong aria-hidden="true">21.2.</strong> 付録B：演算子と記号</a></li><li class="chapter-item expanded "><a href="appendix-03-derivable-traits.html"><strong aria-hidden="true">21.3.</strong> 付録C：導出可能なトレイト</a></li><li class="chapter-item expanded "><a href="appendix-04-useful-development-tools.html"><strong aria-hidden="true">21.4.</strong> 付録D：便利な開発ツール</a></li><li class="chapter-item expanded "><a href="appendix-05-editions.html"><strong ari