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<ul>
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<li class="navelem"><b>resumef</b></li><li class="navelem"><a class="el" href="structresumef_1_1channel__t.html">channel_t</a></li> </ul>
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</div>
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</div><!-- top -->
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<a href="#pub-methods">Public 成员函数</a> |
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<a href="structresumef_1_1channel__t-members.html">所有成员列表</a> </div>
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<div class="headertitle">
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<div class="title">resumef::channel_t< _Ty, _Optional, _OptimizationThread > 模板结构体 参考</div> </div>
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</div><!--header-->
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<div class="contents">
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<p>可传递数据的模板信号量。
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<a href="structresumef_1_1channel__t.html#details">更多...</a></p>
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||
<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public 成员函数</h2></td></tr>
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||
<tr class="memitem:ac94d5fa13a6c1f5cc5d3ee3e50fa4232"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="structresumef_1_1channel__t.html#ac94d5fa13a6c1f5cc5d3ee3e50fa4232">channel_t</a> (size_t cache_size=1)</td></tr>
|
||
<tr class="memdesc:ac94d5fa13a6c1f5cc5d3ee3e50fa4232"><td class="mdescLeft"> </td><td class="mdescRight">构造函数。 <a href="structresumef_1_1channel__t.html#ac94d5fa13a6c1f5cc5d3ee3e50fa4232">更多...</a><br /></td></tr>
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<tr class="separator:ac94d5fa13a6c1f5cc5d3ee3e50fa4232"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a747f2db122ec920e6c253591729138ac"><td class="memItemLeft" align="right" valign="top"><a id="a747f2db122ec920e6c253591729138ac"></a>
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size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structresumef_1_1channel__t.html#a747f2db122ec920e6c253591729138ac">capacity</a> () const noexcept</td></tr>
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||
<tr class="memdesc:a747f2db122ec920e6c253591729138ac"><td class="mdescLeft"> </td><td class="mdescRight">获得缓存数量。 <br /></td></tr>
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||
<tr class="separator:a747f2db122ec920e6c253591729138ac"><td class="memSeparator" colspan="2"> </td></tr>
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||
<tr class="memitem:a9143771fbfda1d5996e89abc0eb2771e"><td class="memItemLeft" align="right" valign="top">read_awaiter </td><td class="memItemRight" valign="bottom"><a class="el" href="structresumef_1_1channel__t.html#a9143771fbfda1d5996e89abc0eb2771e">operator co_await</a> () const noexcept</td></tr>
|
||
<tr class="memdesc:a9143771fbfda1d5996e89abc0eb2771e"><td class="mdescLeft"> </td><td class="mdescRight">在协程中从channel_t里读取一个数据。 <a href="structresumef_1_1channel__t.html#a9143771fbfda1d5996e89abc0eb2771e">更多...</a><br /></td></tr>
|
||
<tr class="separator:a9143771fbfda1d5996e89abc0eb2771e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4ad0246bbfc50513d5a97227905f73c5"><td class="memItemLeft" align="right" valign="top">read_awaiter </td><td class="memItemRight" valign="bottom"><a class="el" href="structresumef_1_1channel__t.html#a4ad0246bbfc50513d5a97227905f73c5">read</a> () const noexcept</td></tr>
|
||
<tr class="memdesc:a4ad0246bbfc50513d5a97227905f73c5"><td class="mdescLeft"> </td><td class="mdescRight">在协程中从channel_t里读取一个数据 <a href="structresumef_1_1channel__t.html#a4ad0246bbfc50513d5a97227905f73c5">更多...</a><br /></td></tr>
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<tr class="separator:a4ad0246bbfc50513d5a97227905f73c5"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a8554b84ad37f013471f2c5d2da745887"><td class="memTemplParams" colspan="2">template<class U > </td></tr>
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||
<tr class="memitem:a8554b84ad37f013471f2c5d2da745887"><td class="memTemplItemLeft" align="right" valign="top">write_awaiter </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structresumef_1_1channel__t.html#a8554b84ad37f013471f2c5d2da745887">operator<<</a> (U &&val) const noexcept(std::is_move_constructible_v< U >)</td></tr>
|
||
<tr class="memdesc:a8554b84ad37f013471f2c5d2da745887"><td class="mdescLeft"> </td><td class="mdescRight">在协程中向channel_t里写入一个数据。 <a href="structresumef_1_1channel__t.html#a8554b84ad37f013471f2c5d2da745887">更多...</a><br /></td></tr>
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<tr class="separator:a8554b84ad37f013471f2c5d2da745887"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a603d7e9a7e0d621292b5a3c340aaadc9"><td class="memTemplParams" colspan="2">template<class U > </td></tr>
|
||
<tr class="memitem:a603d7e9a7e0d621292b5a3c340aaadc9"><td class="memTemplItemLeft" align="right" valign="top">write_awaiter </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structresumef_1_1channel__t.html#a603d7e9a7e0d621292b5a3c340aaadc9">write</a> (U &&val) const noexcept(std::is_move_constructible_v< U >)</td></tr>
|
||
<tr class="memdesc:a603d7e9a7e0d621292b5a3c340aaadc9"><td class="mdescLeft"> </td><td class="mdescRight">在协程中向channel_t里写入一个数据。 <a href="structresumef_1_1channel__t.html#a603d7e9a7e0d621292b5a3c340aaadc9">更多...</a><br /></td></tr>
|
||
<tr class="separator:a603d7e9a7e0d621292b5a3c340aaadc9"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">详细描述</h2>
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||
<div class="textblock"><h3>template<class _Ty = bool, bool _Optional = !std::is_trivial_v<_Ty>, bool _OptimizationThread = false><br />
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struct resumef::channel_t< _Ty, _Optional, _OptimizationThread ></h3>
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||
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<p>可传递数据的模板信号量。 </p>
|
||
<dl class="section remark"><dt>备注</dt><dd>不支持数据类型为void的特例化。 </dd></dl>
|
||
<dl class="params"><dt>参数</dt><dd>
|
||
<table class="params">
|
||
<tr><td class="paramname">_Ty</td><td>传递的数据类型。要求此类型至少支持移动构造和移动赋值。 </td></tr>
|
||
<tr><td class="paramname">_Optional</td><td>内部是否采用std::optional<>来存数据。<br />
|
||
默认不是POD类型则采用std::optional<>。如果channel缓存的元素不能凭空产生,或者产生代价较大,则推荐将此参数设置为true,从而减小不必要的开销。 </td></tr>
|
||
<tr><td class="paramname">_OptimizationThread</td><td>针对多线程优化。目前此算法提升效率不稳定,需要自行根据实际情况决定。 </td></tr>
|
||
</table>
|
||
</dd>
|
||
</dl>
|
||
</div><h2 class="groupheader">构造及析构函数说明</h2>
|
||
<a id="ac94d5fa13a6c1f5cc5d3ee3e50fa4232"></a>
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||
<h2 class="memtitle"><span class="permalink"><a href="#ac94d5fa13a6c1f5cc5d3ee3e50fa4232">◆ </a></span>channel_t()</h2>
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||
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||
<div class="memitem">
|
||
<div class="memproto">
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<div class="memtemplate">
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||
template<class _Ty = bool, bool _Optional = !std::is_trivial_v<_Ty>, bool _OptimizationThread = false> </div>
|
||
<table class="memname">
|
||
<tr>
|
||
<td class="memname"><a class="el" href="structresumef_1_1channel__t.html">resumef::channel_t</a>< _Ty, _Optional, _OptimizationThread >::<a class="el" href="structresumef_1_1channel__t.html">channel_t</a> </td>
|
||
<td>(</td>
|
||
<td class="paramtype">size_t </td>
|
||
<td class="paramname"><em>cache_size</em> = <code>1</code></td><td>)</td>
|
||
<td></td>
|
||
</tr>
|
||
</table>
|
||
</div><div class="memdoc">
|
||
|
||
<p>构造函数。 </p>
|
||
<dl class="params"><dt>参数</dt><dd>
|
||
<table class="params">
|
||
<tr><td class="paramname">cache_size</td><td>缓存的数量。0 表示内部无缓存。 </td></tr>
|
||
</table>
|
||
</dd>
|
||
</dl>
|
||
|
||
</div>
|
||
</div>
|
||
<h2 class="groupheader">成员函数说明</h2>
|
||
<a id="a9143771fbfda1d5996e89abc0eb2771e"></a>
|
||
<h2 class="memtitle"><span class="permalink"><a href="#a9143771fbfda1d5996e89abc0eb2771e">◆ </a></span>operator co_await()</h2>
|
||
|
||
<div class="memitem">
|
||
<div class="memproto">
|
||
<div class="memtemplate">
|
||
template<class _Ty = bool, bool _Optional = !std::is_trivial_v<_Ty>, bool _OptimizationThread = false> </div>
|
||
<table class="mlabels">
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||
<tr>
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<td class="mlabels-left">
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<table class="memname">
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||
<tr>
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||
<td class="memname">read_awaiter <a class="el" href="structresumef_1_1channel__t.html">resumef::channel_t</a>< _Ty, _Optional, _OptimizationThread >::operator co_await </td>
|
||
<td>(</td>
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||
<td class="paramname"></td><td>)</td>
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<td> const</td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">noexcept</span></span> </td>
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</tr>
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||
</table>
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</div><div class="memdoc">
|
||
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||
<p>在协程中从channel_t里读取一个数据。 </p>
|
||
<dl class="section see"><dt>参见</dt><dd>参考read()函数 </dd></dl>
|
||
<dl class="section return"><dt>返回</dt><dd>[co_await] value_type </dd></dl>
|
||
|
||
</div>
|
||
</div>
|
||
<a id="a8554b84ad37f013471f2c5d2da745887"></a>
|
||
<h2 class="memtitle"><span class="permalink"><a href="#a8554b84ad37f013471f2c5d2da745887">◆ </a></span>operator<<()</h2>
|
||
|
||
<div class="memitem">
|
||
<div class="memproto">
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<div class="memtemplate">
|
||
template<class _Ty = bool, bool _Optional = !std::is_trivial_v<_Ty>, bool _OptimizationThread = false> </div>
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<div class="memtemplate">
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template<class U > </div>
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<table class="mlabels">
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<tr>
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<td class="mlabels-left">
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<table class="memname">
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<tr>
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<td class="memname">write_awaiter <a class="el" href="structresumef_1_1channel__t.html">resumef::channel_t</a>< _Ty, _Optional, _OptimizationThread >::operator<< </td>
|
||
<td>(</td>
|
||
<td class="paramtype">U && </td>
|
||
<td class="paramname"><em>val</em></td><td>)</td>
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<td> const</td>
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</tr>
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</table>
|
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</td>
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<td class="mlabels-right">
|
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<span class="mlabels"><span class="mlabel">noexcept</span></span> </td>
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</tr>
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||
</table>
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</div><div class="memdoc">
|
||
|
||
<p>在协程中向channel_t里写入一个数据。 </p>
|
||
<dl class="section see"><dt>参见</dt><dd>参考write()函数 </dd></dl>
|
||
|
||
</div>
|
||
</div>
|
||
<a id="a4ad0246bbfc50513d5a97227905f73c5"></a>
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||
<h2 class="memtitle"><span class="permalink"><a href="#a4ad0246bbfc50513d5a97227905f73c5">◆ </a></span>read()</h2>
|
||
|
||
<div class="memitem">
|
||
<div class="memproto">
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<div class="memtemplate">
|
||
template<class _Ty = bool, bool _Optional = !std::is_trivial_v<_Ty>, bool _OptimizationThread = false> </div>
|
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<table class="mlabels">
|
||
<tr>
|
||
<td class="mlabels-left">
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<table class="memname">
|
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<tr>
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<td class="memname">read_awaiter <a class="el" href="structresumef_1_1channel__t.html">resumef::channel_t</a>< _Ty, _Optional, _OptimizationThread >::read </td>
|
||
<td>(</td>
|
||
<td class="paramname"></td><td>)</td>
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<td> const</td>
|
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</tr>
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</table>
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</td>
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||
<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">noexcept</span></span> </td>
|
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</tr>
|
||
</table>
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||
</div><div class="memdoc">
|
||
|
||
<p>在协程中从channel_t里读取一个数据 </p>
|
||
<p>如果没有写入数据,则会阻塞协程。 </p><dl class="section remark"><dt>备注</dt><dd>无缓冲的时候,先读后写,不再抛channel_exception异常。这是跟channel_v1的区别。<br />
|
||
在非协程中也可以使用。如果不能立即读取成功,则会阻塞线程。<br />
|
||
但如此用法并不能获得读取的结果,仅仅用作同步手段。 </dd></dl>
|
||
<dl class="section return"><dt>返回</dt><dd>[co_await] value_type </dd></dl>
|
||
|
||
</div>
|
||
</div>
|
||
<a id="a603d7e9a7e0d621292b5a3c340aaadc9"></a>
|
||
<h2 class="memtitle"><span class="permalink"><a href="#a603d7e9a7e0d621292b5a3c340aaadc9">◆ </a></span>write()</h2>
|
||
|
||
<div class="memitem">
|
||
<div class="memproto">
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||
<div class="memtemplate">
|
||
template<class _Ty = bool, bool _Optional = !std::is_trivial_v<_Ty>, bool _OptimizationThread = false> </div>
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||
<div class="memtemplate">
|
||
template<class U > </div>
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<table class="mlabels">
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<tr>
|
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<td class="mlabels-left">
|
||
<table class="memname">
|
||
<tr>
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||
<td class="memname">write_awaiter <a class="el" href="structresumef_1_1channel__t.html">resumef::channel_t</a>< _Ty, _Optional, _OptimizationThread >::write </td>
|
||
<td>(</td>
|
||
<td class="paramtype">U && </td>
|
||
<td class="paramname"><em>val</em></td><td>)</td>
|
||
<td> const</td>
|
||
</tr>
|
||
</table>
|
||
</td>
|
||
<td class="mlabels-right">
|
||
<span class="mlabels"><span class="mlabel">noexcept</span></span> </td>
|
||
</tr>
|
||
</table>
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</div><div class="memdoc">
|
||
|
||
<p>在协程中向channel_t里写入一个数据。 </p>
|
||
<p>在没有读操作等待时,且数据缓冲区满的情况下,则会阻塞协程。 </p><dl class="section remark"><dt>备注</dt><dd>在非协程中也可以使用。如果不能立即写入成功,则会阻塞线程。 </dd></dl>
|
||
<dl class="params"><dt>参数</dt><dd>
|
||
<table class="params">
|
||
<tr><td class="paramname">val</td><td>写入的数据。必须是可以成功构造_Ty(val)的类型。 </td></tr>
|
||
</table>
|
||
</dd>
|
||
</dl>
|
||
<dl class="section return"><dt>返回</dt><dd>[co_await] void </dd></dl>
|
||
|
||
</div>
|
||
</div>
|
||
<hr/>该结构体的文档由以下文件生成:<ul>
|
||
<li>librf/src/<a class="el" href="channel__v2_8h_source.html">channel_v2.h</a></li>
|
||
</ul>
|
||
</div><!-- contents -->
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||
<!-- start footer part -->
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<hr class="footer"/><address class="footer"><small>
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制作者  <a href="http://www.doxygen.org/index.html">
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