Preview PR 1584: f5b3853 ← c3a3a49

Author: github-actions[bot]

gen/pull/1584/PREVIEW.md

@@ -1,10 +1,10 @@
 # PR [\#1584](https://github.com/cpprefjp/site/pull/1584) プレビュー
-- ⌚ 更新時刻: 2026-02-17 22:29:37 JST
+- ⌚ 更新時刻: 2026-02-17 22:34:09 JST
 - 🔍 [プレビュー (HTML)](https://cpprefjp.github.io/site/gen/pull/1584)
 - 📈 [プレビュー生成記録](https://github.com/cpprefjp/site/actions?query=event%3Apull_request_target+branch%3Acpp26_container_constexpr)
-- **⫯** ソースの変更: [`c3a3a49..7112a40`](https://github.com/cpprefjp/site/compare/c3a3a49e88a9766d0f632c9d2e4561822a34e398..7112a40b4755057e62e0fa3f500a55546d1275e6)
+- **⫯** ソースの変更: [`c3a3a49..f5b3853`](https://github.com/cpprefjp/site/compare/c3a3a49e88a9766d0f632c9d2e4561822a34e398..f5b3853f03e0b34f3f267bea1b1043fe330029fd)
 
-## 変更記事一覧 (512件)
+## 変更記事一覧 (558件)
 
 - 📝 [`reference/deque/deque/append_range`](https://cpprefjp.github.io/site/gen/pull/1584/reference/deque/deque/append_range.html)
 - 📝 [`reference/deque/deque/assign`](https://cpprefjp.github.io/site/gen/pull/1584/reference/deque/deque/assign.html)
@@ -518,3 +518,49 @@
 - 📝 [`reference/stack/stack/swap`](https://cpprefjp.github.io/site/gen/pull/1584/reference/stack/stack/swap.html)
 - 📝 [`reference/stack/stack/swap_free`](https://cpprefjp.github.io/site/gen/pull/1584/reference/stack/stack/swap_free.html)
 - 📝 [`reference/stack/stack/top`](https://cpprefjp.github.io/site/gen/pull/1584/reference/stack/stack/top.html)
+- 📝 [`reference/unordered_map/unordered_map/at`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/at.html)
+- 📝 [`reference/unordered_map/unordered_map/begin-size_type`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/begin-size_type.html)
+- 📝 [`reference/unordered_map/unordered_map/begin`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/begin.html)
+- 📝 [`reference/unordered_map/unordered_map/bucket`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/bucket.html)
+- 📝 [`reference/unordered_map/unordered_map/bucket_count`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/bucket_count.html)
+- 📝 [`reference/unordered_map/unordered_map/bucket_size`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/bucket_size.html)
+- 📝 [`reference/unordered_map/unordered_map/cbegin-size_type`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/cbegin-size_type.html)
+- 📝 [`reference/unordered_map/unordered_map/cbegin`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/cbegin.html)
+- 📝 [`reference/unordered_map/unordered_map/cend-size_type`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/cend-size_type.html)
+- 📝 [`reference/unordered_map/unordered_map/cend`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/cend.html)
+- 📝 [`reference/unordered_map/unordered_map/clear`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/clear.html)
+- 📝 [`reference/unordered_map/unordered_map/contains`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/contains.html)
+- 📝 [`reference/unordered_map/unordered_map/count`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/count.html)
+- 📝 [`reference/unordered_map/unordered_map/emplace`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/emplace.html)
+- 📝 [`reference/unordered_map/unordered_map/emplace_hint`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/emplace_hint.html)
+- 📝 [`reference/unordered_map/unordered_map/empty`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/empty.html)
+- 📝 [`reference/unordered_map/unordered_map/end-size_type`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/end-size_type.html)
+- 📝 [`reference/unordered_map/unordered_map/end`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/end.html)
+- 📝 [`reference/unordered_map/unordered_map/equal_range`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/equal_range.html)
+- 📝 [`reference/unordered_map/unordered_map/erase`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/erase.html)
+- 📝 [`reference/unordered_map/unordered_map/erase_if_free`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/erase_if_free.html)
+- 📝 [`reference/unordered_map/unordered_map/extract`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/extract.html)
+- 📝 [`reference/unordered_map/unordered_map/find`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/find.html)
+- 📝 [`reference/unordered_map/unordered_map/get_allocator`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/get_allocator.html)
+- 📝 [`reference/unordered_map/unordered_map/hash_function`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/hash_function.html)
+- 📝 [`reference/unordered_map/unordered_map/insert`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/insert.html)
+- 📝 [`reference/unordered_map/unordered_map/insert_or_assign`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/insert_or_assign.html)
+- 📝 [`reference/unordered_map/unordered_map/insert_range`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/insert_range.html)
+- 📝 [`reference/unordered_map/unordered_map/key_eq`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/key_eq.html)
+- 📝 [`reference/unordered_map/unordered_map/load_factor`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/load_factor.html)
+- 📝 [`reference/unordered_map/unordered_map/max_bucket_count`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/max_bucket_count.html)
+- 📝 [`reference/unordered_map/unordered_map/max_load_factor`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/max_load_factor.html)
+- 📝 [`reference/unordered_map/unordered_map/max_size`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/max_size.html)
+- 📝 [`reference/unordered_map/unordered_map/merge`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/merge.html)
+- 📝 [`reference/unordered_map/unordered_map/op_assign`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/op_assign.html)
+- 📝 [`reference/unordered_map/unordered_map/op_at`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/op_at.html)
+- 📝 [`reference/unordered_map/unordered_map/op_constructor`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/op_constructor.html)
+- 📝 [`reference/unordered_map/unordered_map/op_destructor`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/op_destructor.html)
+- 📝 [`reference/unordered_map/unordered_map/op_equal`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/op_equal.html)
+- 📝 [`reference/unordered_map/unordered_map/op_not_equal`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/op_not_equal.html)
+- 📝 [`reference/unordered_map/unordered_map/rehash`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/rehash.html)
+- 📝 [`reference/unordered_map/unordered_map/reserve`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/reserve.html)
+- 📝 [`reference/unordered_map/unordered_map/size`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/size.html)
+- 📝 [`reference/unordered_map/unordered_map/swap`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/swap.html)
+- 📝 [`reference/unordered_map/unordered_map/swap_free`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/swap_free.html)
+- 📝 [`reference/unordered_map/unordered_map/try_emplace`](https://cpprefjp.github.io/site/gen/pull/1584/reference/unordered_map/unordered_map/try_emplace.html)

gen/pull/1584/reference/unordered_map/unordered_map/at.html

@@ -200,12 +200,12 @@
 
     <p class="text-right"><small>
       最終更新日時(UTC):
-      <span itemprop="datePublished" content="2025-12-23T12:07:41">
-        2025年12月23日 12時07分41秒
+      <span itemprop="datePublished" content="2026-02-17T13:28:34">
+        2026年02月17日 13時28分34秒
       </span>
       <br/>
       <span itemprop="author" itemscope itemtype="http://schema.org/Person">
-        <span itemprop="name">rotarymars</span>
+        <span itemprop="name">Akira Takahashi</span>
       </span>
       が更新
     </small></p>
@@ -225,13 +225,17 @@
       <div class="col-sm-12 content-body">
 
   <div class="identifier-type">function</div><div class="header">&lt;unordered_map&gt;</div><h1 itemprop="name"><span class="namespace" title="namespace std">std::</span><span class="class" title="class unordered_map">unordered_map::</span><span class="token">at</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">T</span><span class="o">&amp;</span> <span class="n">at</span><span class="p">(</span><span class="k">const</span> <span class="n">key_type</span><span class="o">&amp;</span> <span class="n">x</span><span class="p">);</span>              <span class="c1">// (1) C++11</span>
-<span class="k">const</span> <span class="n">T</span><span class="o">&amp;</span> <span class="n">at</span><span class="p">(</span><span class="k">const</span> <span class="n">key_type</span><span class="o">&amp;</span> <span class="n">x</span><span class="p">)</span> <span class="k">const</span><span class="p">;</span>  <span class="c1">// (2) C++11</span>
+<div itemprop="articleBody"><p><div class="codehilite"><pre><span></span><code><span class="n">T</span><span class="o">&amp;</span> <span class="n">at</span><span class="p">(</span><span class="k">const</span> <span class="n">key_type</span><span class="o">&amp;</span> <span class="n">x</span><span class="p">);</span>           <span class="c1">// (1) C++11</span>
+<span class="k">constexpr</span> <span class="n">T</span><span class="o">&amp;</span> <span class="n">at</span><span class="p">(</span><span class="k">const</span> <span class="n">key_type</span><span class="o">&amp;</span> <span class="n">x</span><span class="p">);</span> <span class="c1">// (1) C++26</span>
+
+<span class="k">const</span> <span class="n">T</span><span class="o">&amp;</span> <span class="n">at</span><span class="p">(</span><span class="k">const</span> <span class="n">key_type</span><span class="o">&amp;</span> <span class="n">x</span><span class="p">)</span> <span class="k">const</span><span class="p">;</span>           <span class="c1">// (2) C++11</span>
+<span class="k">constexpr</span> <span class="k">const</span> <span class="n">T</span><span class="o">&amp;</span> <span class="n">at</span><span class="p">(</span><span class="k">const</span> <span class="n">key_type</span><span class="o">&amp;</span> <span class="n">x</span><span class="p">)</span> <span class="k">const</span><span class="p">;</span> <span class="c1">// (2) C++26</span>
 
 <span class="k">template</span><span class="o">&lt;</span><span class="k">class</span> <span class="nc">K</span><span class="o">&gt;</span>
-<span class="n">T</span><span class="o">&amp;</span> <span class="n">at</span><span class="p">(</span><span class="k">const</span> <span class="n">K</span><span class="o">&amp;</span> <span class="n">x</span><span class="p">);</span>                     <span class="c1">// (3) C++26</span>
+<span class="k">constexpr</span> <span class="n">T</span><span class="o">&amp;</span> <span class="n">at</span><span class="p">(</span><span class="k">const</span> <span class="n">K</span><span class="o">&amp;</span> <span class="n">x</span><span class="p">);</span> <span class="c1">// (3) C++26</span>
+
 <span class="k">template</span><span class="o">&lt;</span><span class="k">class</span> <span class="nc">K</span><span class="o">&gt;</span>
-<span class="k">const</span> <span class="n">T</span><span class="o">&amp;</span> <span class="n">at</span><span class="p">(</span><span class="k">const</span> <span class="n">K</span><span class="o">&amp;</span> <span class="n">x</span><span class="p">)</span> <span class="k">const</span><span class="p">;</span>         <span class="c1">// (4) C++26</span>
+<span class="k">constexpr</span> <span class="k">const</span> <span class="n">T</span><span class="o">&amp;</span> <span class="n">at</span><span class="p">(</span><span class="k">const</span> <span class="n">K</span><span class="o">&amp;</span> <span class="n">x</span><span class="p">)</span> <span class="k">const</span><span class="p">;</span> <span class="c1">// (4) C++26</span>
 </code></pre></div>
 </p>
 <h2>概要</h2>
@@ -336,6 +340,7 @@ <h2>参照</h2>
 <li>C++26で<code>template &lt;class K&gt;</code>のバージョンが追加された</li>
 </ul>
 </li>
+<li><a href="https://open-std.org/jtc1/sc22/wg21/docs/papers/2025/p3372r3.html" target="_blank">P3372R3 constexpr containers and adaptors</a></li>
 </ul></div>
 
       </div>

gen/pull/1584/reference/unordered_map/unordered_map/begin-size_type.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="2026-02-17T13:28:34">
+        2026年02月17日 13時28分34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 +225,11 @@
       <div class="col-sm-12 content-body">
 
   <div class="identifier-type">function</div><div class="header">&lt;unordered_map&gt;</div><h1 itemprop="name"><span class="namespace" title="namespace std">std::</span><span class="class" title="class unordered_map">unordered_map::</span><span class="token">begin(size_type)</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">local_iterator</span> <span class="nf">begin</span><span class="p">(</span><span class="n">size_type</span> <span class="n">n</span><span class="p">);</span>
-<span class="n">const_local_iterator</span> <span class="nf">begin</span><span class="p">(</span><span class="n">size_type</span> <span class="n">n</span><span class="p">)</span> <span class="k">const</span><span class="p">;</span>
+<div itemprop="articleBody"><p><div class="codehilite"><pre><span></span><code><span class="n">local_iterator</span> <span class="nf">begin</span><span class="p">(</span><span class="n">size_type</span> <span class="n">n</span><span class="p">);</span>           <span class="c1">// (1) C++11</span>
+<span class="k">constexpr</span> <span class="n">local_iterator</span> <span class="nf">begin</span><span class="p">(</span><span class="n">size_type</span> <span class="n">n</span><span class="p">);</span> <span class="c1">// (1) C++26</span>
+
+<span class="n">const_local_iterator</span> <span class="nf">begin</span><span class="p">(</span><span class="n">size_type</span> <span class="n">n</span><span class="p">)</span> <span class="k">const</span><span class="p">;</span>           <span class="c1">// (2) C++11</span>
+<span class="k">constexpr</span> <span class="n">const_local_iterator</span> <span class="nf">begin</span><span class="p">(</span><span class="n">size_type</span> <span class="n">n</span><span class="p">)</span> <span class="k">const</span><span class="p">;</span> <span class="c1">// (2) C++26</span>
 </code></pre></div>
 </p>
 <h2>概要</h2>
@@ -331,7 +334,11 @@ <h2>関連項目</h2>
 <td>インデックス（添え字）で指定したバケット内の最終要素の次を指す読み取り専用イテレータを取得</td>
 </tr>
 </tbody>
-</table></div>
+</table>
+<h2>参照</h2>
+<ul>
+<li><a href="https://open-std.org/jtc1/sc22/wg21/docs/papers/2025/p3372r3.html" target="_blank">P3372R3 constexpr containers and adaptors</a></li>
+</ul></div>
 
       </div>
     </div>

gen/pull/1584/reference/unordered_map/unordered_map/begin.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="2026-02-17T13:28:34">
+        2026年02月17日 13時28分34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 +225,11 @@
       <div class="col-sm-12 content-body">
 
   <div class="identifier-type">function</div><div class="header">&lt;unordered_map&gt;</div><h1 itemprop="name"><span class="namespace" title="namespace std">std::</span><span class="class" title="class unordered_map">unordered_map::</span><span class="token">begin</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">iterator</span> <span class="nf">begin</span><span class="p">()</span> <span class="k">noexcept</span><span class="p">;</span>
-<span class="n">const_iterator</span> <span class="nf">begin</span><span class="p">()</span> <span class="k">const</span> <span class="k">noexcept</span><span class="p">;</span>
+<div itemprop="articleBody"><p><div class="codehilite"><pre><span></span><code><span class="n">iterator</span> <span class="nf">begin</span><span class="p">()</span> <span class="k">noexcept</span><span class="p">;</span>           <span class="c1">// (1) C++11</span>
+<span class="k">constexpr</span> <span class="n">iterator</span> <span class="nf">begin</span><span class="p">()</span> <span class="k">noexcept</span><span class="p">;</span> <span class="c1">// (1) C++26</span>
+
+<span class="n">const_iterator</span> <span class="nf">begin</span><span class="p">()</span> <span class="k">const</span> <span class="k">noexcept</span><span class="p">;</span>           <span class="c1">// (2) C++11</span>
+<span class="k">constexpr</span> <span class="n">const_iterator</span> <span class="nf">begin</span><span class="p">()</span> <span class="k">const</span> <span class="k">noexcept</span><span class="p">;</span> <span class="c1">// (2) C++26</span>
 </code></pre></div>
 </p>
 <h2>概要</h2>
@@ -317,7 +320,11 @@ <h2>関連項目</h2>
 <td>インデックス（添え字）で指定したバケット内の最終要素の次を指す読み取り専用イテレータを取得</td>
 </tr>
 </tbody>
-</table></div>
+</table>
+<h2>参照</h2>
+<ul>
+<li><a href="https://open-std.org/jtc1/sc22/wg21/docs/papers/2025/p3372r3.html" target="_blank">P3372R3 constexpr containers and adaptors</a></li>
+</ul></div>
 
       </div>
     </div>