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‎reference/ranges/adjacent_transform_view.html

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<header data-kunai-mdinfo="{&#34;meta&#34;: {&#34;header&#34;: [&#34;ranges&#34;], &#34;namespace&#34;: [&#34;std::ranges&#34;], &#34;id-type&#34;: [&#34;class template&#34;], &#34;cpp&#34;: [&#34;cpp23&#34;]}, &#34;sources&#34;: [{&#34;id&#34;: &#34;c21bf1bd6459c4ca54c3dbc2718b0a48ff81be03&#34;, &#34;source&#34;: &#34;int main() {\n // \u96a3\u63a5\u3059\u308b\u8981\u7d20\u9593\u306e\u5dee\u3092\u8a08\u7b97\u3059\u308b\n std::vector v = {9, 2, 5, 3, 6, 7};\n std::println(\&#34;{}\&#34;, v | std::views::adjacent_transform_view&lt;2&gt;([](auto x, auto y) { return y - x; }));\n}\n&#34;}], &#34;page_id&#34;: [&#34;reference&#34;, &#34;ranges&#34;, &#34;adjacent_transform_view&#34;]}">
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<header data-kunai-mdinfo="{&#34;meta&#34;: {&#34;header&#34;: [&#34;ranges&#34;], &#34;namespace&#34;: [&#34;std::ranges&#34;], &#34;id-type&#34;: [&#34;class template&#34;], &#34;cpp&#34;: [&#34;cpp23&#34;]}, &#34;sources&#34;: [{&#34;id&#34;: &#34;07cbd11ac1819f15788a7601d0698cecb3216c3d&#34;, &#34;source&#34;: &#34;#include &lt;iostream&gt;\n#include &lt;vector&gt;\n#include &lt;ranges&gt;\n\nint main() {\n // \u96a3\u63a5\u3059\u308b\u8981\u7d20\u9593\u306e\u5dee\u3092\u8a08\u7b97\u3059\u308b\n std::vector v = {9, 2, 5, 3, 6, 7};\n for (int x : v | std::views::adjacent_transform_view&lt;2&gt;(\n [](auto x, auto y) { return y - x; })) {\n std::cout &lt;&lt; x &lt;&lt; std::endl;\n }\n}\n&#34;}], &#34;page_id&#34;: [&#34;reference&#34;, &#34;ranges&#34;, &#34;adjacent_transform_view&#34;]}">
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<nav class="navbar navbar-default" role="navigation">
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<div class="container-fluid">
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<p class="text-right"><small>
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最終更新日時(UTC):
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<span itemprop="datePublished" content="2024-03-07T19:37:36">
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2024年03月07日 19時37分36秒
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<span itemprop="datePublished" content="2025-06-04T02:59:05">
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2025年06月04日 02時59分05秒
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</span>
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<br/>
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<span itemprop="author" itemscope itemtype="http://schema.org/Person">
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<span itemprop="name">Tetsuro Matsumura</span>
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<span itemprop="name">Akira Takahashi</span>
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</span>
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が更新
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</small></p>
@@ -291,27 +291,27 @@ <h2>メンバ関数</h2>
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</thead>
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<tr>
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<td><code><span href="https://cpprefjp.github.io/reference/ranges/adjacent_transform_view/op_constructor.md.nolink">(constructor)</span></code></td>
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<td><code><a href="adjacent_transform_view/op_constructor.html">(constructor)</a></code></td>
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<td>コンストラクタ</td>
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<td>C++23</td>
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</tr>
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<tr>
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<td><code><span href="https://cpprefjp.github.io/reference/ranges/adjacent_transform_view/base.md.nolink">base</span></code></td>
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<td><code><a href="adjacent_transform_view/base.html">base</a></code></td>
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<td><code>V</code>の参照を取得する</td>
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<td>C++23</td>
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</tr>
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<tr>
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<td><code><span href="https://cpprefjp.github.io/reference/ranges/adjacent_transform_view/begin.md.nolink">begin</span></code></td>
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<td><code><a href="adjacent_transform_view/begin.html">begin</a></code></td>
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<td>先頭を指すイテレータを取得する</td>
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<td>C++23</td>
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</tr>
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<td><code><span href="https://cpprefjp.github.io/reference/ranges/adjacent_transform_view/end.md.nolink">end</span></code></td>
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<td><code><a href="adjacent_transform_view/end.html">end</a></code></td>
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<td>番兵を取得する</td>
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<td>C++23</td>
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</tr>
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<tr>
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<td><code><span href="https://cpprefjp.github.io/reference/ranges/adjacent_transform_view/size.md.nolink">size</span></code></td>
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<td><code><a href="adjacent_transform_view/size.html">size</a></code></td>
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<td>要素数を取得する</td>
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<td>C++23</td>
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</tr>
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<tr>
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<td><code><a href="view_interface/empty.html">empty</a></code></td>
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<td>Rangeが空かどうかを判定する</td>
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<td>C++20</td>
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<td>C++23</td>
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</tr>
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<tr>
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<td><code><a href="view_interface/op_bool.html">operator bool</a></code></td>
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<td>Rangeが空でないかどうかを判定する</td>
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<td>C++20</td>
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<td>C++23</td>
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</tr>
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<td><code><a href="view_interface/front.html">front</a></code></td>
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<td>先頭要素への参照を取得する</td>
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<td>C++20</td>
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<td>C++23</td>
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</tr>
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<td><code><a href="view_interface/back.html">back</a></code></td>
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<td>末尾要素への参照を取得する</td>
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<td>C++20</td>
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<td>C++23</td>
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<td><code><a href="view_interface/cbegin.html">cbegin</a></code></td>
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<tr>
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<td><code><a href="view_interface/op_at.html">operator[]</a></code></td>
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<td>要素へアクセスする</td>
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<td>C++20</td>
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<td>C++23</td>
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<td><code><span href="https://cpprefjp.github.io/reference/ranges/adjacent_transform_view/op_deduction_guide.md.nolink">(deduction_guide)</span></code></td>
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<td><code><a href="adjacent_transform_view/op_deduction_guide.html">(deduction_guide)</a></code></td>
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<td>クラステンプレートの推論補助</td>
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<td>C++23</td>
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</tr>
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</table>
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<h2>例</h2>
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<p><div class="yata" id="c21bf1bd6459c4ca54c3dbc2718b0a48ff81be03"><div class="codehilite"><pre><span></span><code><span class="kt">int</span> <span class="nf">main</span><span class="p">()</span> <span class="p">{</span>
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<p><div class="yata" id="07cbd11ac1819f15788a7601d0698cecb3216c3d"><div class="codehilite"><pre><span></span><code><span class="cp">#include</span> <span class="cpf"><a href="../iostream.html">&lt;iostream&gt;</a></span><span class="cp"></span>
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<span class="cp">#include</span> <span class="cpf"><a href="../vector.html">&lt;vector&gt;</a></span><span class="cp"></span>
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<span class="cp">#include</span> <span class="cpf"><a href="../ranges.html">&lt;ranges&gt;</a></span><span class="cp"></span>
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<span class="kt">int</span> <span class="nf">main</span><span class="p">()</span> <span class="p">{</span>
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<span class="c1">// 隣接する要素間の差を計算する</span>
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<span class="n"><a href="../vector/vector.html">std::vector</a></span> <span class="n">v</span> <span class="o">=</span> <span class="p">{</span><span class="mi">9</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">5</span><span class="p">,</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">6</span><span class="p">,</span> <span class="mi">7</span><span class="p">};</span>
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<span class="n"><a href="../print/println.html">std::println</a></span><span class="p">(</span><span class="s">"{}"</span><span class="p">,</span> <span class="n">v</span> <span class="o">|</span> <span class="n"><span style="color:#ff0000">std::views::adjacent_transform_view</span></span><span class="o">&lt;</span><span class="mi">2</span><span class="o">&gt;</span><span class="p">([](</span><span class="k">auto</span> <span class="n">x</span><span class="p">,</span> <span class="k">auto</span> <span class="n">y</span><span class="p">)</span> <span class="p">{</span> <span class="k">return</span> <span class="n">y</span> <span class="o">-</span> <span class="n">x</span><span class="p">;</span> <span class="p">}));</span>
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<span class="k">for</span> <span class="p">(</span><span class="kt">int</span> <span class="nl">x</span> <span class="p">:</span> <span class="n">v</span> <span class="o">|</span> <span class="n"><span style="color:#ff0000">std::views::adjacent_transform_view</span></span><span class="o">&lt;</span><span class="mi">2</span><span class="o">&gt;</span><span class="p">(</span>
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<span class="p">[](</span><span class="k">auto</span> <span class="n">x</span><span class="p">,</span> <span class="k">auto</span> <span class="n">y</span><span class="p">)</span> <span class="p">{</span> <span class="k">return</span> <span class="n">y</span> <span class="o">-</span> <span class="n">x</span><span class="p">;</span> <span class="p">}))</span> <span class="p">{</span>
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<span class="n"><a href="../iostream/cout.html">std::cout</a></span> <span class="o">&lt;&lt;</span> <span class="n">x</span> <span class="o">&lt;&lt;</span> <span class="n"><a href="../ostream/endl.html">std::endl</a></span><span class="p">;</span>
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<span class="p">}</span>
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<span class="p">}</span>
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</code></pre></div>
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<h3>出力</h3>
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<p><pre><code>[-7, 3, -2, 3, 1]
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<p><pre><code>-7
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<h2>バージョン</h2>
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<h3>言語</h3>
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</ul>
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<h3>処理系</h3>
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<ul>
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<li><a href="../../implementation.html#clang">Clang</a>: ??</li>
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<li><a href="../../implementation.html#gcc">GCC</a>: ??</li>
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<li><a href="../../implementation.html#icc">ICC</a>: ??</li>
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<li><a href="../../implementation.html#visual_cpp">Visual C++</a>: ??</li>
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<li><a href="../../implementation.html#clang">Clang</a>: 20 <span aria-label="未実装" role="img" title="未実装">❌</span></li>
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<li><a href="../../implementation.html#gcc">GCC</a>: 15 <span aria-label="未実装" role="img" title="未実装">❌</span></li>
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<li><a href="../../implementation.html#visual_cpp">Visual C++</a>: 2022 Update 14 <span aria-label="未実装" role="img" title="未実装">❌</span></li>
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<h2>関連項目</h2>
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<ul>
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<li><code><a href="../numeric/adjacent_difference.html">adjacent_difference</a></code> 隣接する2つの要素間の差を計算するアルゴリズム関数</li>
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<li><code><a href="../numeric/adjacent_difference.html">std::adjacent_difference</a></code><ul>
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<li>隣接する2つの要素間の差を計算するアルゴリズム関数</li>
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</ul>
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</li>
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<h2>参照</h2>
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<ul>
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<li><a href="https://timsong-cpp.github.io/cppwp/n4950/ranges" target="_blank">N4950 26 Ranges library</a></li>
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<li><a href="https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2021/p2321r2.html" target="_blank">P2321R2 zip</a></li>
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