update automatically

Author: cpprefjp-autoupdate

lang/cpp26.html

@@ -176,8 +176,8 @@
 
     <p class="text-right"><small>
       最終更新日時(UTC):
-      <span itemprop="datePublished" content="2026-05-15T04:58:51">
-        2026年05月15日 04時58分51秒
+      <span itemprop="datePublished" content="2026-05-18T08:46:06">
+        2026年05月18日 08時46分06秒
       </span>
       <br/>
       <span itemprop="author" itemscope itemtype="http://schema.org/Person">
@@ -950,14 +950,9 @@ <h3>ユーティリティ</h3>
 <li>定数式での<a class="cpprefjp-defined-word" data-desc="問題が発生したときに、現在実行位置を過去に通過・記録した位置に戻し、文脈情報を添えて紐づけられた処理(例外ハンドラー)を呼び出す仕組み。またはその事態">例外</a>送出が許可されることにともない、以下を<code>constexpr</code>化<ul>
 <li><code><a href="../reference/exception.html">&lt;exception&gt;</a></code>ヘッダの以下の機能<ul>
 <li><code><a href="../reference/exception/exception.html">std::exception</a></code>クラスの全メンバ関数</li>
-<li><code><a href="../reference/exception/nested_exception.html">std::nested_exception</a></code>クラスの全メンバ関数</li>
 <li><code><a href="../reference/exception/bad_exception.html">std::bad_exception</a></code>クラスの<code>what()</code>メンバ関数</li>
-<li><code><a href="../reference/exception/uncaught_exceptions.html">std::uncaught_exceptions()</a></code>関数</li>
-<li><code><a href="../reference/exception/current_exception.html">std::current_exception()</a></code>関数</li>
 <li><code><a href="../reference/exception/rethrow_exception.html">std::rethrow_exception()</a></code>関数</li>
 <li><code><a href="../reference/exception/make_exception_ptr.html">std::make_exception_ptr()</a></code>関数</li>
-<li><code><a href="../reference/exception/throw_with_nested.html">std::throw_with_nested()</a></code>関数</li>
-<li><code><a href="../reference/exception/rethrow_if_nested.html">std::rethrow_if_nested()</a></code>関数</li>
 </ul>
 </li>
 <li><code><a href="../reference/new.html">&lt;new&gt;</a></code>ヘッダの以下の機能<ul>

reference/exception/current_exception.html

@@ -188,8 +188,8 @@
 
     <p class="text-right"><small>
       最終更新日時(UTC):
-      <span itemprop="datePublished" content="2026-01-28T06:28:47">
-        2026年01月28日 06時28分47秒
+      <span itemprop="datePublished" content="2026-05-18T08:46:06">
+        2026年05月18日 08時46分06秒
       </span>
       <br/>
       <span itemprop="author" itemscope itemtype="http://schema.org/Person">
@@ -214,8 +214,7 @@
 
   <div class="identifier-type">function</div><div class="header">&lt;exception&gt;</div><h1 itemprop="name"><span class="namespace" title="namespace std">std::</span><span class="token">current_exception</span><span class="cpp cpp11" title="C++11で追加">(C++11)</span></h1>
 <div itemprop="articleBody"><p><div class="codehilite"><pre><span></span><code><span class="k">namespace</span><span class="w"> </span><span class="nn">std</span><span class="w"> </span><span class="p">{</span>
-<span class="w">  </span><span class="n"><a href="exception_ptr.html">exception_ptr</a></span><span class="w"> </span><span class="nf">current_exception</span><span class="p">()</span><span class="w"> </span><span class="k">noexcept</span><span class="p">;</span><span class="w">           </span><span class="c1">// (1) C++11</span>
-<span class="w">  </span><span class="k">constexpr</span><span class="w"> </span><span class="n"><a href="exception_ptr.html">exception_ptr</a></span><span class="w"> </span><span class="nf">current_exception</span><span class="p">()</span><span class="w"> </span><span class="k">noexcept</span><span class="p">;</span><span class="w"> </span><span class="c1">// (1) C++26</span>
+<span class="w">  </span><span class="n"><a href="exception_ptr.html">exception_ptr</a></span><span class="w"> </span><span class="nf">current_exception</span><span class="p">()</span><span class="w"> </span><span class="k">noexcept</span><span class="p">;</span><span class="w"> </span><span class="c1">// (1) C++11</span>
 <span class="p">}</span>
 </code></pre></div>
 </p>
@@ -291,6 +290,10 @@ <h2>参照</h2>
 <ul>
 <li><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html" target="_blank">N2179 Language Support for Transporting Exceptions between Threads</a></li>
 <li><a href="http://stackoverflow.com/questions/28267484/can-i-use-stdcurrent-exception-during-stack-unwinding" target="_blank">Can I use <code>std::current_exception</code> during stack unwinding? - StackOverflow</a></li>
+<li><a href="https://open-std.org/jtc1/sc22/wg21/docs/papers/2026/p3842r2.pdf" target="_blank">P3842R2 A conservative fix for constexpr <code>uncaught_exceptions()</code> and <code>current_exception()</code></a><ul>
+<li>C++26の策定中に<code>constexpr</code>が追加されたが、本提案文書により巻き戻された (C++29で再検討予定)</li>
+</ul>
+</li>
 </ul></div>
 
       </div>

reference/exception/nested_exception/nested_ptr.html

@@ -200,12 +200,12 @@
 
     <p class="text-right"><small>
       最終更新日時(UTC):
-      <span itemprop="datePublished" content="2025-07-11T17:16:44">
-        2025年07月11日 17時16分44秒
+      <span itemprop="datePublished" content="2026-05-18T08:46:06">
+        2026年05月18日 08時46分06秒
       </span>
       <br/>
       <span itemprop="author" itemscope itemtype="http://schema.org/Person">
-        <span itemprop="name">Koichi Murase</span>
+        <span itemprop="name">Akira Takahashi</span>
       </span>
       が更新
     </small></p>
@@ -225,8 +225,7 @@
       <div class="col-sm-12 content-body">
 
   <div class="identifier-type">function</div><div class="header">&lt;exception&gt;</div><h1 itemprop="name"><span class="namespace" title="namespace std">std::</span><span class="class" title="class nested_exception">nested_exception::</span><span class="token">nested_ptr</span><span class="cpp cpp11" title="C++11で追加">(C++11)</span></h1>
-<div itemprop="articleBody"><p><div class="codehilite"><pre><span></span><code><span class="n"><a href="../exception_ptr.html">exception_ptr</a></span><span class="w"> </span><span class="nf">nested_ptr</span><span class="p">()</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="k">noexcept</span><span class="p">;</span><span class="w">           </span><span class="c1">// (1) C++11</span>
-<span class="k">constexpr</span><span class="w"> </span><span class="n"><a href="../exception_ptr.html">exception_ptr</a></span><span class="w"> </span><span class="nf">nested_ptr</span><span class="p">()</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="k">noexcept</span><span class="p">;</span><span class="w"> </span><span class="c1">// (1) C++26</span>
+<div itemprop="articleBody"><p><div class="codehilite"><pre><span></span><code><span class="n"><a href="../exception_ptr.html">exception_ptr</a></span><span class="w"> </span><span class="nf">nested_ptr</span><span class="p">()</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="k">noexcept</span><span class="p">;</span><span class="w"> </span><span class="c1">// (1) C++11</span>
 </code></pre></div>
 </p>
 <h2>概要</h2>
@@ -285,6 +284,13 @@ <h3>処理系</h3>
 <h2>関連項目</h2>
 <ul>
 <li><a href="../../../lang/cpp26/allowing_exception_throwing_in_constant-evaluation.html">C++26 定数評価での例外送出を許可</a></li>
+</ul>
+<h2>参照</h2>
+<ul>
+<li><a href="https://open-std.org/jtc1/sc22/wg21/docs/papers/2026/p3842r2.pdf" target="_blank">P3842R2 A conservative fix for constexpr <code>uncaught_exceptions()</code> and <code>current_exception()</code></a><ul>
+<li>C++26の策定中に<code>constexpr</code>が追加されたが、本提案文書により巻き戻された (C++29で再検討予定)</li>
+</ul>
+</li>
 </ul></div>
 
       </div>

reference/exception/nested_exception/op_assign.html

@@ -200,12 +200,12 @@
 
     <p class="text-right"><small>
       最終更新日時(UTC):
-      <span itemprop="datePublished" content="2025-07-11T17:16:44">
-        2025年07月11日 17時16分44秒
+      <span itemprop="datePublished" content="2026-05-18T08:46:06">
+        2026年05月18日 08時46分06秒
       </span>
       <br/>
       <span itemprop="author" itemscope itemtype="http://schema.org/Person">
-        <span itemprop="name">Koichi Murase</span>
+        <span itemprop="name">Akira Takahashi</span>
       </span>
       が更新
     </small></p>
@@ -225,8 +225,7 @@
       <div class="col-sm-12 content-body">
 
   <div class="identifier-type">function</div><div class="header">&lt;exception&gt;</div><h1 itemprop="name"><span class="namespace" title="namespace std">std::</span><span class="class" title="class nested_exception">nested_exception::</span><span class="token">operator=</span><span class="cpp cpp11" title="C++11で追加">(C++11)</span></h1>
-<div itemprop="articleBody"><p><div class="codehilite"><pre><span></span><code><span class="n">nested_exception</span><span class="o">&amp;</span><span class="w"> </span><span class="k">operator</span><span class="o">=</span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="n">nested_exception</span><span class="o">&amp;</span><span class="p">)</span><span class="w"> </span><span class="k">noexcept</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">default</span><span class="p">;</span><span class="w">           </span><span class="c1">// (1) C++11</span>
-<span class="k">constexpr</span><span class="w"> </span><span class="n">nested_exception</span><span class="o">&amp;</span><span class="w"> </span><span class="k">operator</span><span class="o">=</span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="n">nested_exception</span><span class="o">&amp;</span><span class="p">)</span><span class="w"> </span><span class="k">noexcept</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">default</span><span class="p">;</span><span class="w"> </span><span class="c1">// (1) C++26</span>
+<div itemprop="articleBody"><p><div class="codehilite"><pre><span></span><code><span class="n">nested_exception</span><span class="o">&amp;</span><span class="w"> </span><span class="k">operator</span><span class="o">=</span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="n">nested_exception</span><span class="o">&amp;</span><span class="p">)</span><span class="w"> </span><span class="k">noexcept</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">default</span><span class="p">;</span><span class="w"> </span><span class="c1">// (1) C++11</span>
 </code></pre></div>
 </p>
 <h2>概要</h2>
@@ -239,6 +238,13 @@ <h2><a class="cpprefjp-defined-word" data-desc="問題が発生したときに
 <h2>関連項目</h2>
 <ul>
 <li><a href="../../../lang/cpp26/allowing_exception_throwing_in_constant-evaluation.html">C++26 定数評価での例外送出を許可</a></li>
+</ul>
+<h2>参照</h2>
+<ul>
+<li><a href="https://open-std.org/jtc1/sc22/wg21/docs/papers/2026/p3842r2.pdf" target="_blank">P3842R2 A conservative fix for constexpr <code>uncaught_exceptions()</code> and <code>current_exception()</code></a><ul>
+<li>C++26の策定中に<code>constexpr</code>が追加されたが、本提案文書により巻き戻された (C++29で再検討予定)</li>
+</ul>
+</li>
 </ul></div>
 
       </div>

reference/exception/nested_exception/op_constructor.html

@@ -28,11 +28,11 @@
         <meta property="og:url" content="https://cpprefjp.github.io/reference/exception/nested_exception/op_constructor.html" />
         <meta property="og:site_name" content="cpprefjp - C++日本語リファレンス" />
         <meta property="og:type" content="article" />
-        <meta property="og:description" content="function&amp;lt;exception&amp;gt;std::nested_exception::コンストラクタ(C++11) nested_exception() noexcept;           // (1) C++11 constexpr nested_exception() noexcept; // (1) C++26  nested_exception(const nested_ex" />
+        <meta property="og:description" content="function&amp;lt;exception&amp;gt;std::nested_exception::コンストラクタ(C++11) nested_exception() noexcept;                                  // (1) C++11 nested_exception(const nested_exception&amp;amp;) noexcept = defau" />
         <meta name="twitter:card" content="summary" />
         <meta name="twitter:title" content="std::nested_exception::コンストラクタ - cpprefjp C++日本語リファレンス" />
         <meta name="twitter:url" content="https://cpprefjp.github.io/reference/exception/nested_exception/op_constructor.html" />
-        <meta name="twitter:description" content="function&amp;lt;exception&amp;gt;std::nested_exception::コンストラクタ(C++11) nested_exception() noexcept;           // (1) C++11 constexpr nested_exception() noexcept; // (1) C++26  nested_exception(const nested_ex" />
+        <meta name="twitter:description" content="function&amp;lt;exception&amp;gt;std::nested_exception::コンストラクタ(C++11) nested_exception() noexcept;                                  // (1) C++11 nested_exception(const nested_exception&amp;amp;) noexcept = defau" />
 
 
   <link rel="alternate" type="application/atom+xml" title="Atom" href="https://cpprefjp.github.io/rss.xml" />
@@ -200,12 +200,12 @@
 
     <p class="text-right"><small>
       最終更新日時(UTC):
-      <span itemprop="datePublished" content="2025-07-11T17:16:44">
-        2025年07月11日 17時16分44秒
+      <span itemprop="datePublished" content="2026-05-18T08:46:06">
+        2026年05月18日 08時46分06秒
       </span>
       <br/>
       <span itemprop="author" itemscope itemtype="http://schema.org/Person">
-        <span itemprop="name">Koichi Murase</span>
+        <span itemprop="name">Akira Takahashi</span>
       </span>
       が更新
     </small></p>
@@ -225,11 +225,8 @@
       <div class="col-sm-12 content-body">
 
   <div class="identifier-type">function</div><div class="header">&lt;exception&gt;</div><h1 itemprop="name"><span class="namespace" title="namespace std">std::</span><span class="class" title="class nested_exception">nested_exception::</span><span class="token">コンストラクタ</span><span class="cpp cpp11" title="C++11で追加">(C++11)</span></h1>
-<div itemprop="articleBody"><p><div class="codehilite"><pre><span></span><code><span class="n">nested_exception</span><span class="p">()</span><span class="w"> </span><span class="k">noexcept</span><span class="p">;</span><span class="w">           </span><span class="c1">// (1) C++11</span>
-<span class="k">constexpr</span><span class="w"> </span><span class="n">nested_exception</span><span class="p">()</span><span class="w"> </span><span class="k">noexcept</span><span class="p">;</span><span class="w"> </span><span class="c1">// (1) C++26</span>
-
-<span class="n">nested_exception</span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="n">nested_exception</span><span class="o">&amp;</span><span class="p">)</span><span class="w"> </span><span class="k">noexcept</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">default</span><span class="p">;</span><span class="w">           </span><span class="c1">// (2) C++11</span>
-<span class="k">constexpr</span><span class="w"> </span><span class="n">nested_exception</span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="n">nested_exception</span><span class="o">&amp;</span><span class="p">)</span><span class="w"> </span><span class="k">noexcept</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">default</span><span class="p">;</span><span class="w"> </span><span class="c1">// (2) C++26</span>
+<div itemprop="articleBody"><p><div class="codehilite"><pre><span></span><code><span class="n">nested_exception</span><span class="p">()</span><span class="w"> </span><span class="k">noexcept</span><span class="p">;</span><span class="w">                                  </span><span class="c1">// (1) C++11</span>
+<span class="n">nested_exception</span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="n">nested_exception</span><span class="o">&amp;</span><span class="p">)</span><span class="w"> </span><span class="k">noexcept</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">default</span><span class="p">;</span><span class="w"> </span><span class="c1">// (2) C++11</span>
 </code></pre></div>
 </p>
 <h2>nested_exceptionオブジェクトの構築</h2>
@@ -282,6 +279,13 @@ <h3>処理系</h3>
 <h2>関連項目</h2>
 <ul>
 <li><a href="../../../lang/cpp26/allowing_exception_throwing_in_constant-evaluation.html">C++26 定数評価での例外送出を許可</a></li>
+</ul>
+<h2>参照</h2>
+<ul>
+<li><a href="https://open-std.org/jtc1/sc22/wg21/docs/papers/2026/p3842r2.pdf" target="_blank">P3842R2 A conservative fix for constexpr <code>uncaught_exceptions()</code> and <code>current_exception()</code></a><ul>
+<li>C++26の策定中に<code>constexpr</code>が追加されたが、本提案文書により巻き戻された (C++29で再検討予定)</li>
+</ul>
+</li>
 </ul></div>
 
       </div>