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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">&#26631;&#20934;&#24211;&#22836;&#25991;&#20214;</span> &lt;exception&gt;</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-header.html">header</a></span></div>
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<p>&#27492;&#22836;&#25991;&#20214;&#26159;<a href="cpp-error.html">&#38169;&#35823;&#22788;&#29702;</a>&#24211;&#30340;&#19968;&#37096;&#20998;&#12290;</p>
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<h3><span class="mw-headline" id=".E7.B1.BB">&#31867;</span></h3>
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<div class="t-dsc-member-div">
<div><a href="cpp-error-exception.html"><span class="t-lines"><span>exception</span></span></a></div>
</div>
</td>
<td>&#26631;&#20934;&#24211;&#32452;&#20214;&#25243;&#20986;&#30340;&#21508;&#31181;&#24322;&#24120;&#30340;&#22522;&#31867;<br />
<span class="t-mark">(&#31867;)</span></td>
</tr>
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<td>
<div class="t-dsc-member-div">
<div><a href="cpp-error-nested_exception.html"><span class="t-lines"><span>nested_exception</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>&#29992;&#20110;&#25429;&#33719;&#24182;&#23384;&#20648;&#24403;&#21069;&#24322;&#24120;&#30340;&#28151;&#20837;&#31867;&#22411;<br />
<span class="t-mark">(&#31867;)</span></td>
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<div><a href="cpp-error-bad_exception.html"><span class="t-lines"><span>bad_exception</span></span></a></div>
</div>
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<td>&#24403; <span class="t-lc"><a href="cpp-error-current_exception.html">std::current_exception</a></span> &#26080;&#27861;&#22797;&#21046;&#24322;&#24120;&#23545;&#35937;&#26102;&#25243;&#20986;&#30340;&#24322;&#24120;<br />
<span class="t-mark">(&#31867;)</span></td>
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<div><a href="cpp-error-unexpected_handler.html"><span class="t-lines"><span>unexpected_handler</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-until-cxx17">(C++17 &#20013;&#31227;&#38500;)</span></span></span></div>
</div>
</td>
<td><span class="t-lc"><a href="cpp-error-unexpected.html">std::unexpected</a></span> &#25152;&#35843;&#29992;&#30340;&#20989;&#25968;&#31867;&#22411;<br />
<span class="t-mark">(typedef)</span></td>
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<div><a href="cpp-error-terminate_handler.html"><span class="t-lines"><span>terminate_handler</span></span></a></div>
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</td>
<td><span class="t-lc"><a href="cpp-error-terminate.html">std::terminate</a></span> &#25152;&#35843;&#29992;&#30340;&#20989;&#25968;&#31867;&#22411;<br />
<span class="t-mark">(typedef)</span></td>
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<div><a href="cpp-error-exception_ptr.html"><span class="t-lines"><span>exception_ptr</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>&#29992;&#20110;&#22788;&#29702;&#24322;&#24120;&#23545;&#35937;&#30340;&#20849;&#20139;&#25351;&#38024;&#31867;&#22411;<br />
<span class="t-mark">(typedef)</span></td>
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<tr>
<td colspan="2">
<h3><span class="mw-headline" id=".E5.87.BD.E6.95.B0">&#20989;&#25968;</span></h3>
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<div><a href="cpp-error-unexpected.html"><span class="t-lines"><span>unexpected</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-until-cxx17">(C++17 &#20013;&#31227;&#38500;)</span></span></span></div>
</div>
</td>
<td>&#36829;&#32972;&#21160;&#24577;&#24322;&#24120;&#35828;&#26126;&#26102;&#35843;&#29992;&#30340;&#20989;&#25968;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
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<div><a href="cpp-error-uncaught_exception.html"><span class="t-lines"><span>uncaught_exception</span><span>uncaught_exceptions</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-until-cxx20">(C++20 &#20013;&#31227;&#38500;)</span></span><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div>
</div>
</td>
<td>&#26816;&#26597;&#24403;&#21069;&#26159;&#21542;&#27491;&#22312;&#36827;&#34892;&#24322;&#24120;&#22788;&#29702;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
</tr>
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<td>
<div class="t-dsc-member-div">
<div><a href="cpp-error-make_exception_ptr.html"><span class="t-lines"><span>make_exception_ptr</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>&#20174;&#24322;&#24120;&#23545;&#35937;&#21019;&#24314;&#19968;&#20010;<span class="t-lc"><a href="cpp-error-exception_ptr.html">std::exception_ptr</a></span><br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-error-current_exception.html"><span class="t-lines"><span>current_exception</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>&#25429;&#33719;&#24403;&#21069;&#24322;&#24120;&#21040; <span class="t-lc"><a href="cpp-error-exception_ptr.html">std::exception_ptr</a></span> &#20043;&#20013;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
</tr>
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<td>
<div class="t-dsc-member-div">
<div><a href="cpp-error-rethrow_exception.html"><span class="t-lines"><span>rethrow_exception</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>&#20174;&#19968;&#20010; <span class="t-lc"><a href="cpp-error-exception_ptr.html">std::exception_ptr</a></span> &#25243;&#20986;&#24322;&#24120;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
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<div class="t-dsc-member-div">
<div><a href="cpp-error-throw_with_nested.html"><span class="t-lines"><span>throw_with_nested</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>&#25243;&#20986;&#23454;&#21442;&#65292;&#24102;&#19978;&#28151;&#20837;&#30340; <span class="t-lc"><a href="cpp-error-nested_exception.html">std::nested_exception</a></span><br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-error-rethrow_if_nested.html"><span class="t-lines"><span>rethrow_if_nested</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>&#25243;&#20986; <span class="t-lc"><a href="cpp-error-nested_exception.html">std::nested_exception</a></span> &#20013;&#30340;&#24322;&#24120;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-error-terminate.html"><span class="t-lines"><span>terminate</span></span></a></div>
</div>
</td>
<td>&#24322;&#24120;&#22788;&#29702;&#22833;&#36133;&#26102;&#35843;&#29992;&#30340;&#20989;&#25968;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-error-get_terminate.html"><span class="t-lines"><span>get_terminate</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>&#33719;&#24471;&#24403;&#21069;&#30340; terminate_handler<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-error-set_terminate.html"><span class="t-lines"><span>set_terminate</span></span></a></div>
</div>
</td>
<td>&#26356;&#25913;&#23558;&#34987; <span class="t-lc"><a href="cpp-error-terminate.html">std::terminate</a></span> &#35843;&#29992;&#30340;&#20989;&#25968;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-error-get_unexpected.html"><span class="t-lines"><span>get_unexpected</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span><span class="t-mark-rev t-until-cxx17">(C++17 &#20013;&#31227;&#38500;)</span></span></span></div>
</div>
</td>
<td>&#33719;&#24471;&#24403;&#21069;&#30340; unexpected_handler<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-error-set_unexpected.html"><span class="t-lines"><span>set_unexpected</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-until-cxx17">(C++17 &#20013;&#31227;&#38500;)</span></span></span></div>
</div>
</td>
<td>&#26356;&#25913;&#35201;&#34987; <span class="t-lc"><a href="cpp-error-unexpected.html">std::unexpected</a></span> &#35843;&#29992;&#30340;&#20989;&#25968;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
</tr>
</table>
<h3><span class="mw-headline" id=".E6.A6.82.E8.A6.81">&#27010;&#35201;</span></h3>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
<span class="kw1">class</span> exception<span class="sy4">;</span>
<span class="kw1">class</span> bad_exception<span class="sy4">;</span>
<span class="kw1">class</span> nested_exception<span class="sy4">;</span>
<span class="kw1">using</span> terminate_handler <span class="sy1">=</span> <span class="kw4">void</span> <span class="br0">(</span><span class="sy2">*</span><span class="br0">)</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
terminate_handler get_terminate<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
terminate_handler set_terminate<span class="br0">(</span>terminate_handler f<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="br0">[</span><span class="br0">[</span>noreturn<span class="br0">]</span><span class="br0">]</span> <span class="kw4">void</span> terminate<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="kw4">int</span> uncaught_exceptions<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="kw1">using</span> exception_ptr <span class="sy1">=</span> <span class="coMULTI">/* &#26410;&#25351;&#26126; */</span><span class="sy4">;</span>
exception_ptr current_exception<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="br0">[</span><span class="br0">[</span>noreturn<span class="br0">]</span><span class="br0">]</span> <span class="kw4">void</span> rethrow_exception<span class="br0">(</span>exception_ptr p<span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> E<span class="sy1">&gt;</span> exception_ptr make_exception_ptr<span class="br0">(</span>E e<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> T<span class="sy1">&gt;</span> <span class="br0">[</span><span class="br0">[</span>noreturn<span class="br0">]</span><span class="br0">]</span> <span class="kw4">void</span> throw_with_nested<span class="br0">(</span>T<span class="sy3">&amp;&amp;</span> t<span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> E<span class="sy1">&gt;</span> <span class="kw4">void</span> rethrow_if_nested<span class="br0">(</span><span class="kw4">const</span> E<span class="sy3">&amp;</span> e<span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
<h4><span class="mw-headline" id=".E7.B1.BB_std::exception">&#31867; <span class="t-lc"><a href="cpp-error-exception.html">std::exception</a></span></span></h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
<span class="kw1">class</span> exception <span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
exception<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
exception<span class="br0">(</span><span class="kw4">const</span> exception<span class="sy3">&amp;</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
exception<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> exception<span class="sy3">&amp;</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="kw1">virtual</span> ~exception<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">virtual</span> <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> what<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="br0">}</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
<h4><span class="mw-headline" id=".E7.B1.BB_std::bad_exception">&#31867; <span class="t-lc"><a href="cpp-error-bad_exception.html">std::bad_exception</a></span></span></h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
<span class="kw1">class</span> bad_exception <span class="sy4">:</span> <span class="kw1">public</span> exception <span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
<span class="co1">// &#29305;&#27530;&#25104;&#21592;&#20989;&#25968;&#30340;&#35268;&#23450;&#35265; [exception]</span>
<span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> what<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span> override<span class="sy4">;</span>
<span class="br0">}</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
<h4><span class="mw-headline" id=".E7.B1.BB_std::nested_exception">&#31867; <span class="t-lc"><a href="cpp-error-nested_exception.html">std::nested_exception</a></span></span></h4>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
<span class="kw1">class</span> nested_exception <span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
nested_exception<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
nested_exception<span class="br0">(</span><span class="kw4">const</span> nested_exception<span class="sy3">&amp;</span><span class="br0">)</span> <span class="kw1">noexcept</span> <span class="sy1">=</span> <span class="kw1">default</span><span class="sy4">;</span>
nested_exception<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> nested_exception<span class="sy3">&amp;</span><span class="br0">)</span> <span class="kw1">noexcept</span> <span class="sy1">=</span> <span class="kw1">default</span><span class="sy4">;</span>
<span class="kw1">virtual</span> ~nested_exception<span class="br0">(</span><span class="br0">)</span> <span class="sy1">=</span> <span class="kw1">default</span><span class="sy4">;</span>
<span class="co1">// &#35775;&#38382;&#20989;&#25968;</span>
<span class="br0">[</span><span class="br0">[</span>noreturn<span class="br0">]</span><span class="br0">]</span> <span class="kw4">void</span> rethrow_nested<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
exception_ptr nested_ptr<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="br0">}</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> T<span class="sy1">&gt;</span> <span class="br0">[</span><span class="br0">[</span>noreturn<span class="br0">]</span><span class="br0">]</span> <span class="kw4">void</span> throw_with_nested<span class="br0">(</span>T<span class="sy3">&amp;&amp;</span> t<span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> E<span class="sy1">&gt;</span> <span class="kw4">void</span> rethrow_if_nested<span class="br0">(</span><span class="kw4">const</span> E<span class="sy3">&amp;</span> e<span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
<ul>
<li><a href="cpp-error.html">&#38169;&#35823;&#22788;&#29702;</a></li>
</ul>
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