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<title>&#26631;&#20934;&#24211;&#22836;&#25991;&#20214; &lt;stacktrace&gt;</title>
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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;stacktrace&gt;</h1>
<div id="bodyContent">
<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-header.html">header</a></span></div>
<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
<p>&#27492;&#22836;&#25991;&#20214;&#26159;<a href="cpp-utility.html">&#36890;&#29992;&#24037;&#20855;</a>&#24211;&#30340;&#19968;&#37096;&#20998;&#12290;</p>
<table class="t-dsc-begin">
<tr>
<td colspan="2">
<h3><span class="mw-headline" id=".E7.B1.BB">&#31867;</span></h3>
</td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-utility-stacktrace_entry.html"><span class="t-lines"><span>stacktrace_entry</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx23">(C++23)</span></span></span></div>
</div>
</td>
<td>&#26632;&#36394;&#20013;&#27714;&#20540;&#30340;&#34920;&#31034;<br />
<span class="t-mark">(&#31867;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-utility-basic_stacktrace.html"><span class="t-lines"><span>basic_stacktrace</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx23">(C++23)</span></span></span></div>
</div>
</td>
<td>&#30001;&#26632;&#36394;&#26465;&#30446;&#32452;&#25104;&#30340;&#35843;&#29992;&#24207;&#21015;&#30340;&#36817;&#20284;&#34920;&#31034;<br />
<span class="t-mark">(&#31867;&#27169;&#26495;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-utility-stacktrace_entry-hash.html"><span class="t-lines"><span>std::hash<span class="t-dsc-small">&lt;std::stacktrace_entry&gt;</span></span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx23">(C++23)</span></span></span></div>
</div>
</td>
<td><span class="t-lc">std::stacktrace_entry</span> &#30340;&#25955;&#21015;&#25903;&#25345;<br />
<span class="t-mark">(&#31867;&#27169;&#26495;&#29305;&#21270;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-utility-basic_stacktrace-hash.html"><span class="t-lines"><span>std::hash<span class="t-dsc-small">&lt;std::basic_stacktrace&gt;</span></span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx23">(C++23)</span></span></span></div>
</div>
</td>
<td><span class="t-lc">std::basic_stacktrace</span> &#30340;&#25955;&#21015;&#25903;&#25345;<br />
<span class="t-mark">(&#31867;&#27169;&#26495;&#29305;&#21270;)</span></td>
</tr>
<tr>
<td colspan="2">
<h5><span class="mw-headline" id=".E5.89.8D.E7.BD.AE.E5.A3.B0.E6.98.8E">&#21069;&#32622;&#22768;&#26126;</span></h5>
</td>
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<tr class="t-dsc-header">
<td colspan="2">
<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="cpp-header-functional.html">&lt;functional&gt;</a></code></div>
</td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-utility-hash.html"><span class="t-lines"><span>hash</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>&#25955;&#21015;&#20989;&#25968;&#23545;&#35937;<br />
<span class="t-mark">(&#31867;&#27169;&#26495;)</span></td>
</tr>
<tr>
<td colspan="2">
<h3><span class="mw-headline" id=".E5.87.BD.E6.95.B0">&#20989;&#25968;</span></h3>
</td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-utility-basic_stacktrace-swap2.html"><span class="t-lines"><span>std::swap<span class="t-dsc-small">(std::basic_stacktrace)</span></span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx23">(C++23)</span></span></span></div>
</div>
</td>
<td>&#29305;&#21270; <span class="t-lc"><a href="cpp-algorithm-swap.html">std::swap</a></span> &#31639;&#27861;<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-utility-stacktrace_entry-to_string.html"><span class="t-lines"><span>to_string</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx23">(C++23)</span></span></span></div>
</div>
</td>
<td>&#36820;&#22238;&#25317;&#26377; <code>stacktrace_entry</code> &#30340;&#25551;&#36848;&#30340;&#23383;&#31526;&#20018;<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-utility-basic_stacktrace-to_string.html"><span class="t-lines"><span>to_string</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx23">(C++23)</span></span></span></div>
</div>
</td>
<td>&#36820;&#22238;&#25317;&#26377; <code>basic_stacktrace</code> &#30340;&#25551;&#36848;&#30340;&#23383;&#31526;&#20018;<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-utility-stacktrace_entry-operator_ltlt.html"><span class="t-lines"><span>operator&lt;&lt;</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx23">(C++23)</span></span></span></div>
</div>
</td>
<td>&#36827;&#34892; <code>stacktrace_entry</code> &#30340;&#27969;&#36755;&#20986;<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-utility-basic_stacktrace-operator_ltlt.html"><span class="t-lines"><span>operator&lt;&lt;</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx23">(C++23)</span></span></span></div>
</div>
</td>
<td>&#36827;&#34892; <code>basic_stracktrace</code> &#30340;&#27969;&#36755;&#20986;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</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="co1">// &#31867; stacktrace_entry</span>
<span class="kw1">class</span> stacktrace_entry<span class="sy4">;</span>
<span class="co1">// &#31867;&#27169;&#26495; basic_stacktrace</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Allocator<span class="sy1">&gt;</span>
<span class="kw1">class</span> basic_stacktrace<span class="sy4">;</span>
<span class="co1">// basic_stacktrace typedef &#21517;</span>
<span class="kw1">using</span> stacktrace <span class="sy1">=</span> basic_stacktrace<span class="sy1">&lt;</span>allocator<span class="sy1">&lt;</span>stacktrace_entry<span class="sy1">&gt;&gt;</span><span class="sy4">;</span>
<span class="co1">// &#38750;&#25104;&#21592;&#20989;&#25968;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Allocator<span class="sy1">&gt;</span>
<span class="kw4">void</span> swap<span class="br0">(</span>basic_stacktrace<span class="sy1">&lt;</span>Allocator<span class="sy1">&gt;</span><span class="sy3">&amp;</span> a, basic_stacktrace<span class="sy1">&lt;</span>Allocator<span class="sy1">&gt;</span><span class="sy3">&amp;</span> b<span class="br0">)</span>
<span class="kw1">noexcept</span><span class="br0">(</span><span class="kw1">noexcept</span><span class="br0">(</span>a.<span class="me1">swap</span><span class="br0">(</span>b<span class="br0">)</span><span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span>
string to_string<span class="br0">(</span><span class="kw4">const</span> stacktrace_entry<span class="sy3">&amp;</span> f<span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Allocator<span class="sy1">&gt;</span>
string to_string<span class="br0">(</span><span class="kw4">const</span> basic_stacktrace<span class="sy1">&lt;</span>Allocator<span class="sy1">&gt;</span><span class="sy3">&amp;</span> st<span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> CharT, <span class="kw1">class</span> traits<span class="sy1">&gt;</span>
basic_ostream<span class="sy1">&lt;</span>CharT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span>
operator<span class="sy1">&lt;&lt;</span><span class="br0">(</span>basic_ostream<span class="sy1">&lt;</span>CharT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> os, <span class="kw4">const</span> stacktrace_entry<span class="sy3">&amp;</span> f<span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> CharT, <span class="kw1">class</span> Traits, <span class="kw1">class</span> Allocator<span class="sy1">&gt;</span>
basic_ostream<span class="sy1">&lt;</span>CharT, traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span>
operator<span class="sy1">&lt;&lt;</span><span class="br0">(</span>basic_ostream<span class="sy1">&lt;</span>CharT, Traits<span class="sy1">&gt;</span><span class="sy3">&amp;</span> os, <span class="kw4">const</span> basic_stacktrace<span class="sy1">&lt;</span>Allocator<span class="sy1">&gt;</span><span class="sy3">&amp;</span> st<span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">namespace</span> pmr <span class="br0">{</span>
<span class="kw1">using</span> stacktrace <span class="sy1">=</span> std<span class="sy4">::</span><span class="me2">basic_stacktrace</span><span class="sy1">&lt;</span>polymorphic_allocator<span class="sy1">&lt;</span>stacktrace_entry<span class="sy1">&gt;&gt;</span><span class="sy4">;</span>
<span class="br0">}</span>
<span class="co1">// &#25955;&#21015;&#25903;&#25345;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> T<span class="sy1">&gt;</span> <span class="kw1">struct</span> hash<span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;&gt;</span> <span class="kw1">struct</span> hash<span class="sy1">&lt;</span>stacktrace_entry<span class="sy1">&gt;</span><span class="sy4">;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Allocator<span class="sy1">&gt;</span> <span class="kw1">struct</span> hash<span class="sy1">&lt;</span>basic_stacktrace<span class="sy1">&lt;</span>Allocator<span class="sy1">&gt;&gt;</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
<h4><span class="mw-headline" id=".E7.B1.BB_std::stacktrace_entry">&#31867; <span class="t-lc">std::stacktrace_entry</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> stacktrace_entry <span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
<span class="kw1">using</span> native_handle_type <span class="sy1">=</span> <span class="coMULTI">/* &#30001;&#23454;&#29616;&#23450;&#20041; */</span><span class="sy4">;</span>
<span class="co1">// &#26500;&#36896;&#20989;&#25968;</span>
<span class="kw4">constexpr</span> stacktrace_entry<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="kw4">constexpr</span> stacktrace_entry<span class="br0">(</span><span class="kw4">const</span> stacktrace_entry<span class="sy3">&amp;</span> other<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="kw4">constexpr</span> stacktrace_entry<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> stacktrace_entry<span class="sy3">&amp;</span> other<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
~stacktrace_entry<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="co1">// &#35266;&#23519;&#22120;</span>
<span class="kw4">constexpr</span> native_handle_type native_handle<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="kw4">constexpr</span> <span class="kw1">explicit</span> operator <span class="kw4">bool</span><span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="co1">// &#26597;&#35810;</span>
string description<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
string source_file<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
uint_least32_t source_line<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
<span class="co1">// &#27604;&#36739;</span>
<span class="kw1">friend</span> <span class="kw4">constexpr</span> <span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">(</span><span class="kw4">const</span> stacktrace_entry<span class="sy3">&amp;</span> x,
<span class="kw4">const</span> stacktrace_entry<span class="sy3">&amp;</span> y<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="kw1">friend</span> <span class="kw4">constexpr</span> strong_ordering operator<span class="sy1">&lt;=&gt;</span><span class="br0">(</span><span class="kw4">const</span> stacktrace_entry<span class="sy3">&amp;</span> x,
<span class="kw4">const</span> stacktrace_entry<span class="sy3">&amp;</span> y<span class="br0">)</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.E6.A8.A1.E6.9D.BF_std::basic_stacktrace">&#31867;&#27169;&#26495; <span class="t-lc">std::basic_stacktrace</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">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Allocator<span class="sy1">&gt;</span>
<span class="kw1">class</span> basic_stacktrace <span class="br0">{</span>
<span class="kw1">public</span><span class="sy4">:</span>
<span class="kw1">using</span> value_type <span class="sy1">=</span> stacktrace_entry<span class="sy4">;</span>
<span class="kw1">using</span> const_reference <span class="sy1">=</span> <span class="kw4">const</span> value_type<span class="sy3">&amp;</span><span class="sy4">;</span>
<span class="kw1">using</span> reference <span class="sy1">=</span> value_type<span class="sy3">&amp;</span><span class="sy4">;</span>
<span class="kw1">using</span> const_iterator <span class="sy1">=</span> <span class="coMULTI">/* &#30001;&#23454;&#29616;&#23450;&#20041; */</span><span class="sy4">;</span>
<span class="kw1">using</span> iterator <span class="sy1">=</span> const_iterator<span class="sy4">;</span>
<span class="kw1">using</span> reverse_iterator <span class="sy1">=</span> <a href="cpp-iterator-reverse_iterator.html"><span class="kw658">std::<span class="me2">reverse_iterator</span></span></a><span class="sy1">&lt;</span>iterator<span class="sy1">&gt;</span><span class="sy4">;</span>
<span class="kw1">using</span> const_reverse_iterator <span class="sy1">=</span> <a href="cpp-iterator-reverse_iterator.html"><span class="kw658">std::<span class="me2">reverse_iterator</span></span></a><span class="sy1">&lt;</span>const_iterator<span class="sy1">&gt;</span><span class="sy4">;</span>
<span class="kw1">using</span> difference_type <span class="sy1">=</span> <span class="coMULTI">/* &#30001;&#23454;&#29616;&#23450;&#20041; */</span><span class="sy4">;</span>
<span class="kw1">using</span> size_type <span class="sy1">=</span> <span class="coMULTI">/* &#30001;&#23454;&#29616;&#23450;&#20041; */</span><span class="sy4">;</span>
<span class="kw1">using</span> allocator_type <span class="sy1">=</span> Allocator<span class="sy4">;</span>
<span class="co1">// &#21019;&#24314;&#19982;&#36171;&#20540;</span>
<span class="kw4">static</span> basic_stacktrace
current<span class="br0">(</span><span class="kw4">const</span> allocator_type<span class="sy3">&amp;</span> alloc <span class="sy1">=</span> allocator_type<span class="br0">(</span><span class="br0">)</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="kw4">static</span> basic_stacktrace
current<span class="br0">(</span>size_type skip, <span class="kw4">const</span> allocator_type<span class="sy3">&amp;</span> alloc <span class="sy1">=</span> allocator_type<span class="br0">(</span><span class="br0">)</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="kw4">static</span> basic_stacktrace
current<span class="br0">(</span>size_type skip, size_type max_depth,
<span class="kw4">const</span> allocator_type<span class="sy3">&amp;</span> alloc <span class="sy1">=</span> allocator_type<span class="br0">(</span><span class="br0">)</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
basic_stacktrace<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="br0">(</span>is_nothrow_default_constructible_v<span class="sy1">&lt;</span>allocator_type<span class="sy1">&gt;</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">explicit</span> basic_stacktrace<span class="br0">(</span><span class="kw4">const</span> allocator_type<span class="sy3">&amp;</span> alloc<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
basic_stacktrace<span class="br0">(</span><span class="kw4">const</span> basic_stacktrace<span class="sy3">&amp;</span> other<span class="br0">)</span><span class="sy4">;</span>
basic_stacktrace<span class="br0">(</span>basic_stacktrace<span class="sy3">&amp;&amp;</span> other<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
basic_stacktrace<span class="br0">(</span><span class="kw4">const</span> basic_stacktrace<span class="sy3">&amp;</span> other, <span class="kw4">const</span> allocator_type<span class="sy3">&amp;</span> alloc<span class="br0">)</span><span class="sy4">;</span>
basic_stacktrace<span class="br0">(</span>basic_stacktrace<span class="sy3">&amp;&amp;</span> other, <span class="kw4">const</span> allocator_type<span class="sy3">&amp;</span> alloc<span class="br0">)</span><span class="sy4">;</span>
basic_stacktrace<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">(</span><span class="kw4">const</span> basic_stacktrace<span class="sy3">&amp;</span> other<span class="br0">)</span><span class="sy4">;</span>
basic_stacktrace<span class="sy3">&amp;</span> operator<span class="sy1">=</span><span class="br0">(</span>basic_stacktrace<span class="sy3">&amp;&amp;</span> other<span class="br0">)</span> <span class="kw1">noexcept</span><span class="br0">(</span>
allocator_traits<span class="sy1">&lt;</span>Allocator<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">propagate_on_container_move_assignment</span><span class="sy4">::</span><span class="me2">value</span> <span class="sy3">||</span>
allocator_traits<span class="sy1">&lt;</span>Allocator<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">is_always_equal</span><span class="sy4">::</span><span class="me2">value</span><span class="br0">)</span><span class="sy4">;</span>
~basic_stacktrace<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="co1">// &#35266;&#23519;&#22120;</span>
allocator_type get_allocator<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
const_iterator begin<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
const_iterator end<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
const_reverse_iterator rbegin<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
const_reverse_iterator rend<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
const_iterator cbegin<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
const_iterator cend<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
const_reverse_iterator crbegin<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
const_reverse_iterator crend<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="br0">[</span>nodiscard<span class="br0">]</span><span class="br0">]</span> <span class="kw4">bool</span> empty<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
size_type size<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
size_type max_size<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
const_reference operator<span class="br0">[</span><span class="br0">]</span><span class="br0">(</span>size_type<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
const_reference at<span class="br0">(</span>size_type<span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span>
<span class="co1">// &#27604;&#36739;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> Allocator2<span class="sy1">&gt;</span>
<span class="kw1">friend</span> <span class="kw4">bool</span> operator<span class="sy1">==</span><span class="br0">(</span><span class="kw4">const</span> basic_stacktrace<span class="sy3">&amp;</span> x,
<span class="kw4">const</span> basic_stacktrace<span class="sy1">&lt;</span>Allocator2<span class="sy1">&gt;</span><span class="sy3">&amp;</span> y<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> Allocator2<span class="sy1">&gt;</span>
<span class="kw1">friend</span> strong_ordering operator<span class="sy1">&lt;=&gt;</span><span class="br0">(</span><span class="kw4">const</span> basic_stacktrace<span class="sy3">&amp;</span> x,
<span class="kw4">const</span> basic_stacktrace<span class="sy1">&lt;</span>Allocator2<span class="sy1">&gt;</span><span class="sy3">&amp;</span> y<span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span>
<span class="co1">// &#20462;&#25913;&#22120;</span>
<span class="kw4">void</span> swap<span class="br0">(</span>basic_stacktrace<span class="sy3">&amp;</span> other<span class="br0">)</span>
<span class="kw1">noexcept</span><span class="br0">(</span>allocator_traits<span class="sy1">&lt;</span>Allocator<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">propagate_on_container_swap</span><span class="sy4">::</span><span class="me2">value</span> <span class="sy3">||</span>
allocator_traits<span class="sy1">&lt;</span>Allocator<span class="sy1">&gt;</span><span class="sy4">::</span><span class="me2">is_always_equal</span><span class="sy4">::</span><span class="me2">value</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">private</span><span class="sy4">:</span>
vector<span class="sy1">&lt;</span>value_type, allocator_type<span class="sy1">&gt;</span> frames_<span class="sy4">;</span> <span class="co1">// &#20165;&#29992;&#20110;&#38416;&#37322;</span>
<span class="br0">}</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
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