Skip to content

Commit 0ff5413

Browse files
author
cpprefjp-autoupdate
committed
update automatically
1 parent fe6d6be commit 0ff5413

File tree

11 files changed

+2413
-370
lines changed

11 files changed

+2413
-370
lines changed

‎reference/ranges/drop_view.html

Lines changed: 8 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -188,8 +188,8 @@
188188

189189
<p class="text-right"><small>
190190
最終更新日時(UTC):
191-
<span itemprop="datePublished" content="2024-06-11T13:45:38">
192-
2024年06月11日 13時45分38秒
191+
<span itemprop="datePublished" content="2025-06-02T07:13:42">
192+
2025年06月02日 07時13分42秒
193193
</span>
194194
<br/>
195195
<span itemprop="author" itemscope itemtype="http://schema.org/Person">
@@ -297,27 +297,27 @@ <h2>メンバ関数</h2>
297297
</thead>
298298
<tbody>
299299
<tr>
300-
<td><code><span href="https://cpprefjp.github.io/reference/ranges/drop_view/op_constructor.md.nolink">(constructor)</span></code></td>
300+
<td><code><a href="drop_view/op_constructor.html">(constructor)</a></code></td>
301301
<td>コンストラクタ</td>
302302
<td>C++20</td>
303303
</tr>
304304
<tr>
305-
<td><code><span href="https://cpprefjp.github.io/reference/ranges/drop_view/base.md.nolink">base</span></code></td>
305+
<td><code><a href="drop_view/base.html">base</a></code></td>
306306
<td><code>V</code>の参照を取得する</td>
307307
<td>C++20</td>
308308
</tr>
309309
<tr>
310-
<td><code><span href="https://cpprefjp.github.io/reference/ranges/drop_view/begin.md.nolink">begin</span></code></td>
310+
<td><code><a href="drop_view/begin.html">begin</a></code></td>
311311
<td>先頭を指すイテレータを取得する</td>
312312
<td>C++20</td>
313313
</tr>
314314
<tr>
315-
<td><code><span href="https://cpprefjp.github.io/reference/ranges/drop_view/end.md.nolink">end</span></code></td>
315+
<td><code><a href="drop_view/end.html">end</a></code></td>
316316
<td>番兵を取得する</td>
317317
<td>C++20</td>
318318
</tr>
319319
<tr>
320-
<td><code><span href="https://cpprefjp.github.io/reference/ranges/drop_view/size.md.nolink">size</span></code></td>
320+
<td><code><a href="drop_view/size.html">size</a></code></td>
321321
<td>要素数を取得する</td>
322322
<td>C++20</td>
323323
</tr>
@@ -387,7 +387,7 @@ <h2>推論補助</h2>
387387
</thead>
388388
<tbody>
389389
<tr>
390-
<td><code><span href="https://cpprefjp.github.io/reference/ranges/drop_view/op_deduction_guide.md.nolink">(deduction_guide)</span></code></td>
390+
<td><code><a href="drop_view/op_deduction_guide.html">(deduction_guide)</a></code></td>
391391
<td>クラステンプレートの推論補助</td>
392392
<td>C++20</td>
393393
</tr>

‎reference/ranges/drop_view/base.html

Lines changed: 304 additions & 0 deletions
Large diffs are not rendered by default.

‎reference/ranges/drop_view/begin.html

Lines changed: 311 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,311 @@
1+
<!doctype html>
2+
<html class="cpprefjp" lang="ja" itemscope="" itemtype="http://schema.org/WebPage">
3+
<head>
4+
5+
6+
<!-- Google tag (gtag.js) -->
7+
<script async src="https://www.googletagmanager.com/gtag/js?id=G-NXNBNVBTJS"></script>
8+
<script>
9+
window.dataLayer = window.dataLayer || [];
10+
function gtag(){dataLayer.push(arguments);}
11+
gtag('js', new Date());
12+
13+
gtag('config', 'G-NXNBNVBTJS');
14+
</script>
15+
16+
17+
<meta charset="UTF-8">
18+
19+
<title>drop_view::begin - cpprefjp C++日本語リファレンス</title>
20+
21+
<meta name="viewport" content="width=device-width,initial-scale=1">
22+
<meta name="keywords" content="
23+
C++,標準ライブラリ,リファレンス,ドキュメント,STL,std,ranges,std::ranges,drop_view,function,cpp20
24+
">
25+
<meta name="title" content="drop_view::begin - cpprefjp C++日本語リファレンス" />
26+
<meta itemprop="name" content="drop_view::begin - cpprefjp C++日本語リファレンス" />
27+
<meta property="og:title" content="drop_view::begin - cpprefjp C++日本語リファレンス" />
28+
<meta property="og:url" content="https://cpprefjp.github.io/reference/ranges/drop_view/begin.html" />
29+
<meta property="og:site_name" content="cpprefjp - C++日本語リファレンス" />
30+
<meta property="og:type" content="article" />
31+
<meta property="og:description" content="" />
32+
<meta name="twitter:card" content="summary" />
33+
<meta name="twitter:title" content="drop_view::begin - cpprefjp C++日本語リファレンス" />
34+
<meta name="twitter:url" content="https://cpprefjp.github.io/reference/ranges/drop_view/begin.html" />
35+
<meta name="twitter:description" content="" />
36+
37+
38+
<link rel="alternate" type="application/atom+xml" title="Atom" href="https://cpprefjp.github.io/rss.xml" />
39+
40+
41+
<link rel="apple-touch-icon" sizes="180x180" href="../../../static/favicons/apple-touch-icon.png?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e">
42+
<link rel="icon" type="image/png" sizes="32x32" href="../../../static/favicons/favicon-32x32.png?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e">
43+
<link rel="icon" type="image/png" sizes="16x16" href="../../../static/favicons/favicon-16x16.png?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e">
44+
<link rel="manifest" href="../../../manifest.json?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e">
45+
<meta name="theme-color" content="#f5f8fc">
46+
47+
<link rel="stylesheet" href="../../../static/pygments/default.css?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e">
48+
<!-- <link rel="stylesheet" href="../../../static/css/root.css"> -->
49+
50+
51+
52+
53+
54+
<link href="../../../static/kunai/css/kunai-stage-0.css?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e" rel="stylesheet">
55+
<link href="../../../static/kunai/css/kunai-stage-1.css?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e" rel="stylesheet">
56+
<link href="../../../static/kunai/css/kunai-stage-2.css?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e" rel="stylesheet">
57+
<link href="../../../static/kunai/css/kunai-stage-3.css?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e" rel="stylesheet">
58+
59+
<script type="text/javascript" src="../../../static/kunai/js/kunai-vendor.js?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e"></script>
60+
<script type="text/javascript" src="../../../static/kunai/js/kunai.js?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e"></script>
61+
62+
<script type="text/javascript">
63+
document.addEventListener('DOMContentLoaded', function() {
64+
var kn = new Kunai;
65+
kn.cpprefjp();
66+
});
67+
</script>
68+
69+
</head>
70+
<body>
71+
<header data-kunai-mdinfo="{&#34;meta&#34;: {&#34;header&#34;: [&#34;ranges&#34;], &#34;namespace&#34;: [&#34;std::ranges&#34;], &#34;class&#34;: [&#34;drop_view&#34;], &#34;id-type&#34;: [&#34;function&#34;], &#34;cpp&#34;: [&#34;cpp20&#34;]}, &#34;sources&#34;: [{&#34;id&#34;: &#34;a6fff24ac2aa08f6ce4f098ab7fa528ac36641ae&#34;, &#34;source&#34;: &#34;#include &lt;ranges&gt;\n#include &lt;vector&gt;\n#include &lt;iostream&gt;\n\nint main() {\n std::vector&lt;int&gt; vec = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};\n\n std::ranges::drop_view r{vec, 5};\n\n auto it = r.begin();\n\n int x = *it;\n std::cout &lt;&lt; x &lt;&lt; &#39;\\n&#39;;\n}\n&#34;}], &#34;page_id&#34;: [&#34;reference&#34;, &#34;ranges&#34;, &#34;drop_view&#34;, &#34;begin&#34;]}">
72+
<nav class="navbar navbar-default" role="navigation">
73+
<div class="container-fluid">
74+
<div class="navbar-header">
75+
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar-collapse">
76+
<span class="sr-only">Toggle navigation</span>
77+
<span class="icon-bar"></span>
78+
<span class="icon-bar"></span>
79+
<span class="icon-bar"></span>
80+
</button>
81+
<a class="navbar-brand" href="../../../index.html">
82+
<div class="title-wrapper clearfix">
83+
<div class="title">cpprefjp - C++日本語リファレンス</div>
84+
</div>
85+
</a>
86+
</div>
87+
88+
<div class="collapse navbar-collapse" id="navbar-collapse">
89+
<ul class="nav navbar-nav navbar-right">
90+
<li>
91+
<div class="google-search">
92+
93+
94+
<script>
95+
(function() {
96+
var cx = '013316413321391058734:ji_u66hl7hq';
97+
var gcse = document.createElement('script');
98+
gcse.type = 'text/javascript';
99+
gcse.async = true;
100+
gcse.src = (document.location.protocol == 'https:' ? 'https:' : 'http:') +
101+
'//www.google.com/cse/cse.js?cx=' + cx;
102+
var s = document.getElementsByTagName('script')[0];
103+
s.parentNode.insertBefore(gcse, s);
104+
})();
105+
</script>
106+
<div class="gcse-search"></div>
107+
108+
109+
</div>
110+
</li>
111+
<li>
112+
<a href="https://github.com/cpprefjp/site">GitHub Project</a>
113+
</li>
114+
</ul>
115+
</div>
116+
</div>
117+
</nav>
118+
</header>
119+
120+
<main id="main" role="main">
121+
<div class="container-fluid">
122+
<div class="row">
123+
<div class="col-sm-9 col-sm-push-3" itemscope itemtype="http://schema.org/Article">
124+
<div class="row">
125+
<div class="col-sm-12 google-search-result">
126+
<gcse:searchresults></gcse:searchresults>
127+
</div>
128+
</div>
129+
<div class="row">
130+
<div class="col-sm-12 content-header">
131+
132+
<ol class="breadcrumb">
133+
134+
<li itemscope itemtype="http://www.schema.org/SiteNavigationElement">
135+
<span>
136+
137+
<a href="../../../index.html" itemprop="url">
138+
139+
<i class="fa fa-fw fa-home"></i>
140+
141+
</a>
142+
143+
</span>
144+
</li>
145+
146+
<li itemscope itemtype="http://www.schema.org/SiteNavigationElement">
147+
<span>
148+
149+
<a href="../../../reference.html" itemprop="url">
150+
151+
<span itemprop="name">リファレンス</span>
152+
153+
</a>
154+
155+
</span>
156+
</li>
157+
158+
<li itemscope itemtype="http://www.schema.org/SiteNavigationElement">
159+
<span>
160+
161+
<a href="../../../reference/ranges.html" itemprop="url">
162+
163+
<span itemprop="name">ranges</span>
164+
165+
</a>
166+
167+
</span>
168+
</li>
169+
170+
<li itemscope itemtype="http://www.schema.org/SiteNavigationElement">
171+
<span>
172+
173+
<a href="../../../reference/ranges/drop_view.html" itemprop="url">
174+
175+
<span itemprop="name">drop_view</span>
176+
177+
</a>
178+
179+
</span>
180+
</li>
181+
182+
<li class="active" itemscope itemtype="http://www.schema.org/SiteNavigationElement">
183+
<span>
184+
185+
186+
<span itemprop="name">begin</span>
187+
188+
189+
</span>
190+
</li>
191+
192+
</ol>
193+
<div class="crsearch"></div>
194+
195+
</div>
196+
</div>
197+
<div class="row">
198+
<div class="col-sm-12 edit-button">
199+
200+
201+
<p class="text-right"><small>
202+
最終更新日時(UTC):
203+
<span itemprop="datePublished" content="2025-06-02T07:13:42">
204+
2025年06月02日 07時13分42秒
205+
</span>
206+
<br/>
207+
<span itemprop="author" itemscope itemtype="http://schema.org/Person">
208+
<span itemprop="name">Akira Takahashi</span>
209+
</span>
210+
が更新
211+
</small></p>
212+
213+
214+
<p class="text-right">
215+
<a class="history" target="_blank" href="https://github.com/cpprefjp/site/commits/master/reference/ranges/drop_view/begin.md">
216+
<span class="fa fa-fw fa-clock-o fa-flip-horizontal"></span>履歴
217+
</a>
218+
<a class="edit" target="_blank" href="https://github.com/cpprefjp/site/edit/master/reference/ranges/drop_view/begin.md">
219+
<span class="fa fa-fw fa-pencil"></span>編集
220+
</a>
221+
</p>
222+
</div>
223+
</div>
224+
<div class="row">
225+
<div class="col-sm-12 content-body">
226+
227+
<div class="identifier-type">function</div><div class="header">&lt;ranges&gt;</div><h1 itemprop="name"><span class="namespace" title="namespace std::ranges">std::ranges::</span><span class="class" title="class drop_view">drop_view::</span><span class="token">begin</span><span class="cpp cpp20" title="C++20で追加">(C++20)</span></h1>
228+
<div itemprop="articleBody"><p><div class="codehilite"><pre><span></span><code><span class="k">constexpr</span> <span class="k">auto</span> <span class="nf">begin</span><span class="p">()</span>
229+
<span class="n">requires</span> <span class="p">(</span><span class="o">!</span><span class="n">simple</span><span class="o">-</span><span class="n"><a href="../view.html">view</a></span><span class="o">&lt;</span><span class="n">V</span><span class="o">&gt;</span><span class="p">);</span> <span class="c1">// (1) C++20</span>
230+
231+
<span class="k">constexpr</span> <span class="k">auto</span> <span class="nf">begin</span><span class="p">()</span> <span class="k">const</span>
232+
<span class="n">requires</span> <span class="n"><a href="../range.html">range</a></span><span class="o">&lt;</span><span class="k">const</span> <span class="n">V</span><span class="o">&gt;</span><span class="p">;</span> <span class="c1">// (2) C++20</span>
233+
</code></pre></div>
234+
</p>
235+
<h2>概要</h2>
236+
<p><code>view</code>の先頭要素を指すイテレータを取得する。</p>
237+
<h2><a class="cpprefjp-defined-word" data-desc="関数呼び出し式の評価結果となるオブジェクト・値">戻り値</a></h2>
238+
<p>入力が<code><a href="../random_access_range.html">random_access_range</a></code>かつ<code><a href="../sized_range.html">sized_range</a></code>の場合：</p>
239+
<ul>
240+
<li>(1), (2) : 以下と等価：
241+
<br />
242+
<div class="codehilite"><pre><span></span><code><span class="k">return</span> <span class="nf"><a href="../begin.html">ranges::begin</a></span><span class="p">(</span><span class="n">base_</span><span class="p">)</span> <span class="o">+</span> <span class="n">min</span><span class="o">&lt;</span><span class="n">D</span><span class="o">&gt;</span><span class="p">(</span><span class="n"><a href="../size.html">ranges::size</a></span><span class="p">(</span><span class="n">base_</span><span class="p">),</span> <span class="n">count_</span><span class="p">);</span>
243+
</code></pre></div>
244+
245+
ここで、<code>D</code>は<code><a href="../range_difference_t.html">range_difference_t</a>&lt;V&gt;</code>。</li>
246+
</ul>
247+
<p>それ以外の場合：</p>
248+
<ul>
249+
<li>(1), (2) : 以下と等価：
250+
<br />
251+
<div class="codehilite"><pre><span></span><code><span class="k">return</span> <span class="n">ranges</span><span class="o">::</span><span class="n">next</span><span class="p">(</span><span class="n"><a href="../begin.html">ranges::begin</a></span><span class="p">(</span><span class="n">base_</span><span class="p">),</span> <span class="n">count_</span><span class="p">,</span> <span class="n"><a href="../end.html">ranges::end</a></span><span class="p">(</span><span class="n">base_</span><span class="p">));</span>
252+
</code></pre></div>
253+
</li>
254+
</ul>
255+
<p>ただし、<code>base_</code>は元の<code>view</code>を表すメンバ変数、<code>count_</code>は除去する要素数を表すメンバ変数。</p>
256+
<h2>例</h2>
257+
<p><div class="yata" id="a6fff24ac2aa08f6ce4f098ab7fa528ac36641ae"><div class="codehilite"><pre><span></span><code><span class="cp">#include</span> <span class="cpf"><a href="../../ranges.html">&lt;ranges&gt;</a></span><span class="cp"></span>
258+
<span class="cp">#include</span> <span class="cpf"><a href="../../vector.html">&lt;vector&gt;</a></span><span class="cp"></span>
259+
<span class="cp">#include</span> <span class="cpf"><a href="../../iostream.html">&lt;iostream&gt;</a></span><span class="cp"></span>
260+
261+
<span class="kt">int</span> <span class="nf">main</span><span class="p">()</span> <span class="p">{</span>
262+
<span class="n"><a href="../../vector/vector.html">std::vector</a></span><span class="o">&lt;</span><span class="kt">int</span><span class="o">&gt;</span> <span class="n">vec</span> <span class="o">=</span> <span class="p">{</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">5</span><span class="p">,</span> <span class="mi">6</span><span class="p">,</span> <span class="mi">7</span><span class="p">,</span> <span class="mi">8</span><span class="p">,</span> <span class="mi">9</span><span class="p">,</span> <span class="mi">10</span><span class="p">};</span>
263+
264+
<span class="n">std</span><span class="o">::</span><span class="n">ranges</span><span class="o">::</span><span class="n">drop_view</span> <span class="n">r</span><span class="p">{</span><span class="n">vec</span><span class="p">,</span> <span class="mi">5</span><span class="p">};</span>
265+
266+
<span class="k">auto</span> <span class="n">it</span> <span class="o">=</span> <span class="n">r</span><span class="p">.</span><span class="n"><span style="color:#ff0000">begin</span></span><span class="p">();</span>
267+
268+
<span class="kt">int</span> <span class="n">x</span> <span class="o">=</span> <span class="o">*</span><span class="n">it</span><span class="p">;</span>
269+
<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="sc">'\n'</span><span class="p">;</span>
270+
<span class="p">}</span>
271+
</code></pre></div>
272+
</div></p>
273+
<h3>出力</h3>
274+
<p><pre><code>6
275+
</code></pre></p>
276+
<h2>バージョン</h2>
277+
<h3>言語</h3>
278+
<ul>
279+
<li>C++20</li>
280+
</ul>
281+
<h3>処理系</h3>
282+
<ul>
283+
<li><a href="../../../implementation.html#clang">Clang</a>: 13.0.0 <span aria-label="検証済" role="img" title="検証済">✅</span></li>
284+
<li><a href="../../../implementation.html#gcc">GCC</a>: 10.1.0 <span aria-label="検証済" role="img" title="検証済">✅</span></li>
285+
<li><a href="../../../implementation.html#icc">ICC</a>: ?</li>
286+
<li><a href="../../../implementation.html#visual_cpp">Visual C++</a>: 2019 Update 10 <span aria-label="検証済" role="img" title="検証済">✅</span></li>
287+
</ul></div>
288+
289+
</div>
290+
</div>
291+
</div>
292+
293+
294+
<div id="sidebar" class="col-sm-3 col-sm-pull-9">
295+
</div>
296+
297+
298+
</div>
299+
</div>
300+
</main>
301+
<footer class="footer navbar navbar-default">
302+
<div class="container-fluid">
303+
<p><small>
304+
本サイトの情報は、
305+
<a href="https://creativecommons.org/licenses/by/3.0/deed.ja" rel="nofollow">クリエイティブ・コモンズ 表示 3.0 非移植 ライセンス(CC BY)</a>
306+
の下に提供されています。
307+
</small></p>
308+
</div>
309+
</footer>
310+
</body>
311+
</html>

0 commit comments

Comments
 (0)