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<title>Issue 1232: Still swap's with rvalue-references</title>
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<p><em>This page is a snapshot from the LWG issues list, see the <a href="lwg-active.html">Library Active Issues List</a> for more information and the meaning of <a href="lwg-active.html#NAD_Editorial">NAD Editorial</a> status.</em></p>
<h3 id="1232"><a href="lwg-closed.html#1232">1232</a>. Still <code>swap</code>'s with rvalue-references</h3>
<p><b>Section:</b> 16 <a href="https://wg21.link/library">[library]</a> <b>Status:</b> <a href="lwg-active.html#NAD_Editorial">NAD Editorial</a>
 <b>Submitter:</b> Daniel Kr&uuml;gler <b>Opened:</b> 2009-10-11 <b>Last modified:</b> 2016-01-28</p>
<p><b>Priority: </b>Not Prioritized
</p>
<p><b>View other</b> <a href="lwg-index-open.html#library">active issues</a> in [library].</p>
<p><b>View all other</b> <a href="lwg-index.html#library">issues</a> in [library].</p>
<p><b>View all issues with</b> <a href="lwg-status.html#NAD Editorial">NAD Editorial</a> status.</p>
<p><b>Discussion:</b></p>
<p>
The current library contains still rvalue reference-swaps that seem to be
overlooked in the process of switching back to lvalue-ref swaps.
</p>

<p><i>[
2009-10 Santa Cruz:
]</i></p>


<blockquote><p>
Editor accepts as NAD Editorial.
</p></blockquote>



<p id="res-1232"><b>Proposed resolution:</b></p>
<ol>
<li>
<p>
Change 22.3 <a href="https://wg21.link/pairs">[pairs]</a>/1 as indicated:
</p>

<blockquote><pre>
template &lt;class T1, class T2&gt;
struct pair {
  ...
  void swap(pair&amp;<del>&amp;</del> p);
};
</pre></blockquote>
</li>

<li>
<p>
Change 22.3 <a href="https://wg21.link/pairs">[pairs]</a> before p. 17 as indicated:
</p>

<blockquote><pre>
void swap(pair&amp;<del>&amp;</del> p);
</pre></blockquote>

</li>

<li>

<p>
Change 22.3 <a href="https://wg21.link/pairs">[pairs]</a> before p. 21 as indicated:
</p>

<blockquote><pre>
template&lt;class T1, class T2&gt; void swap(pair&lt;T1, T2&gt;&amp; x, pair&lt;T1, T2&gt;&amp; y);
<del>template&lt;class T1, class T2&gt; void swap(pair&lt;T1, T2&gt;&amp;&amp; x, pair&lt;T1, T2&gt;&amp; y);</del>
<del>template&lt;class T1, class T2&gt; void swap(pair&lt;T1, T2&gt;&amp; x, pair&lt;T1, T2&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 22.4.1 <a href="https://wg21.link/tuple.general">[tuple.general]</a>/2, header <code>&lt;tuple&gt;</code> synopsis, as indicated:
</p>

<blockquote><pre>
// 20.5.2.9, specialized algorithms:
template &lt;class... Types&gt;
void swap(tuple&lt;Types...&gt;&amp; x, tuple&lt;Types...&gt;&amp; y);
<del>template &lt;class... Types&gt;
void swap(tuple&lt;Types...&gt;&amp;&amp; x, tuple&lt;Types...&gt;&amp; y);
template &lt;class... Types&gt;
void swap(tuple&lt;Types...&gt;&amp; x, tuple&lt;Types...&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 22.4.4 <a href="https://wg21.link/tuple.tuple">[tuple.tuple]</a> as indicated:
</p>

<blockquote><pre>
// 20.5.2.3, tuple swap
void swap(tuple&amp;<del>&amp;</del>)
</pre></blockquote>

</li>

<li>
<p>
Change 22.4.4.4 <a href="https://wg21.link/tuple.swap">[tuple.swap]</a> before 1 as indicated:
</p>

<blockquote><pre>
void swap(tuple&amp;<del>&amp;</del> rhs);
</pre></blockquote>

</li>

<li>
<p>
Change 22.10 <a href="https://wg21.link/function.objects">[function.objects]</a>/2, header <code>&lt;functional&gt;</code> synopsis, as indicated:
</p>

<blockquote><pre>
template&lt;class R, class... ArgTypes&gt;
void swap(function&lt;R(ArgTypes...)&gt;&amp;, function&lt;R(ArgTypes...)&gt;&amp;);
<del>template&lt;class R, class... ArgTypes&gt;
void swap(function&lt;R(ArgTypes...)&gt;&amp;&amp;, function&lt;R(ArgTypes...)&gt;&amp;);
template&lt;class R, class... ArgTypes&gt;
void swap(function&lt;R(ArgTypes...)&gt;&amp;, function&lt;R(ArgTypes...)&amp;&amp;);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 22.10.17.3 <a href="https://wg21.link/func.wrap.func">[func.wrap.func]</a>, as indicated:
</p>

<blockquote><pre>
// 20.7.15.2.2, function modifiers:
void swap(function&amp;<del>&amp;</del>);
template&lt;class F, class A&gt; void assign(F, const A&amp;);

[..]

// 20.7.15.2.7, specialized algorithms:
template &lt;class R, class... ArgTypes&gt;
void swap(function&lt;R(ArgTypes...)&gt;&amp;, function&lt;R(ArgTypes...)&gt;&amp;);
<del>template &lt;class R, class... ArgTypes&gt;
void swap(function&lt;R(ArgTypes...)&gt;&amp;&amp;, function&lt;R(ArgTypes...)&gt;&amp;);
template &lt;class R, class... ArgTypes&gt;
void swap(function&lt;R(ArgTypes...)&gt;&amp;, function&lt;R(ArgTypes...)&gt;&amp;&amp;);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 22.10.17.3.8 <a href="https://wg21.link/func.wrap.func.alg">[func.wrap.func.alg]</a> before 1 as indicated:
</p>

<blockquote><pre>
template&lt;class R, class... ArgTypes&gt;
void swap(function&lt;R(ArgTypes...)&gt;&amp; f1, function&lt;R(ArgTypes...)&gt;&amp; f2);
<del>template&lt;class R, class... ArgTypes&gt;
void swap(function&lt;R(ArgTypes...)&gt;&amp;&amp; f1, function&lt;R(ArgTypes...)&gt;&amp; f2);
template&lt;class R, class... ArgTypes&gt;
void swap(function&lt;R(ArgTypes...)&gt;&amp; f1, function&lt;R(ArgTypes...)&gt;&amp;&amp; f2);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 20.3.2.2 <a href="https://wg21.link/util.smartptr.shared">[util.smartptr.shared]</a>/1 as indicated:
</p>

<blockquote><pre>
// 20.8.12.2.4, modifiers:
void swap(shared_ptr&amp;<del>&amp;</del> r);

[..]

// 20.8.12.2.9, shared_ptr specialized algorithms:
template&lt;class T&gt; void swap(shared_ptr&lt;T&gt;&amp; a, shared_ptr&lt;T&gt;&amp; b);
<del>template&lt;class T&gt; void swap(shared_ptr&lt;T&gt;&amp;&amp; a, shared_ptr&lt;T&gt;&amp; b);
template&lt;class T&gt; void swap(shared_ptr&lt;T&gt;&amp; a, shared_ptr&lt;T&gt;&amp;&amp; b);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 27.4 <a href="https://wg21.link/string.classes">[string.classes]</a>/1, header <code>&lt;string&gt;</code> synopsis, as indicated:
</p>

<blockquote><pre>
// 21.4.8.8: swap
template&lt;class charT, class traits, class Allocator&gt;
void swap(basic_string&lt;charT,traits,Allocator&gt;&amp; lhs, basic_string&lt;charT,traits,Allocator&gt;&amp; rhs);
<del>template&lt;class charT, class traits, class Allocator&gt;
void swap(basic_string&lt;charT,traits,Allocator&gt;&amp;&amp; lhs, basic_string&lt;charT,traits,Allocator&gt;&amp; rhs);
template&lt;class charT, class traits, class Allocator&gt;
void swap(basic_string&lt;charT,traits,Allocator&gt;&amp; lhs, basic_string&lt;charT,traits,Allocator&gt;&amp;&amp; rhs);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.3 <a href="https://wg21.link/sequences">[sequences]</a>/1, header <code>&lt;deque&gt;</code> synopsis, as indicated:
</p>

<blockquote><pre>
template &lt;class T, class Allocator&gt;
void swap(deque&lt;T,Allocator&gt;&amp; x, deque&lt;T,Allocator&gt;&amp; y);
<del>template &lt;class T, class Allocator&gt;
void swap(deque&lt;T,Allocator&gt;&amp;&amp; x, deque&lt;T,Allocator&gt;&amp; y);
template &lt;class T, class Allocator&gt;
void swap(deque&lt;T,Allocator&gt;&amp; x, deque&lt;T,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.3 <a href="https://wg21.link/sequences">[sequences]</a>/1, header <code>&lt;list&gt;</code> synopsis, as indicated:
</p>

<blockquote><pre>
template &lt;class T, class Allocator&gt;
void swap(list&lt;T,Allocator&gt;&amp; x, list&lt;T,Allocator&gt;&amp; y);
<del>template &lt;class T, class Allocator&gt;
void swap(list&lt;T,Allocator&gt;&amp;&amp; x, list&lt;T,Allocator&gt;&amp; y);
template &lt;class T, class Allocator&gt;
void swap(list&lt;T,Allocator&gt;&amp; x, list&lt;T,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.3 <a href="https://wg21.link/sequences">[sequences]</a>/1, header <code>&lt;queue&gt;</code> synopsis, as indicated:
</p>

<blockquote><pre>
template &lt;class T, class Allocator&gt;
void swap(queue&lt;T, Container&gt;&amp; x, queue&lt;T, Container&gt;&amp; y);
<del>template &lt;class T, class Container&gt;
void swap(queue&lt;T, Container&gt;&amp;&amp; x, queue&lt;T, Container&gt;&amp; y);
template &lt;class T, class Container&gt;
void swap(queue&lt;T, Container&gt;&amp; x, queue&lt;T, Container&gt;&amp;&amp; y);</del>

template &lt;class T, class Container = vector&lt;T&gt;, class Compare = less&lt;typename Container::value_type&gt; &gt;
class priority_queue;
template &lt;class T, class Container, class Compare&gt;
void swap(priority_queue&lt;T, Container, Compare&gt;&amp; x, priority_queue&lt;T, Container, Compare&gt;&amp; y);
<del>template &lt;class T, class Container, class Compare&gt;
void swap(priority_queue&lt;T, Container, Compare&gt;&amp;&amp; x, priority_queue&lt;T, Container, Compare&gt;&amp; y);
template &lt;class T, class Container, class Compare&gt;
void swap(priority_queue&lt;T, Container, Compare&gt;&amp; x, priority_queue&lt;T, Container, Compare&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.3 <a href="https://wg21.link/sequences">[sequences]</a>/1, header <code>&lt;stack&gt;</code> synopsis, as indicated:
</p>

<blockquote><pre>
template &lt;class T, class Container&gt;
void swap(stack&lt;T, Container&gt;&amp; x, stack&lt;T, Container&gt;&amp; y);
<del>template &lt;class T, class Container&gt;
void swap(stack&lt;T, Container&gt;&amp;&amp; x, stack&lt;T, Container&gt;&amp; y);
template &lt;class T, class Container&gt;
void swap(stack&lt;T, Container&gt;&amp; x, stack&lt;T, Container&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.3 <a href="https://wg21.link/sequences">[sequences]</a>/1, header <code>&lt;vector&gt;</code> synopsis, as indicated:
</p>

<blockquote><pre>
template &lt;class T, class Allocator&gt;
void swap(vector&lt;T,Allocator&gt;&amp; x, vector&lt;T,Allocator&gt;&amp; y);
<del>template &lt;class T, class Allocator&gt;
void swap(vector&lt;T,Allocator&gt;&amp;&amp; x, vector&lt;T,Allocator&gt;&amp; y);
template &lt;class T, class Allocator&gt;
void swap(vector&lt;T,Allocator&gt;&amp; x, vector&lt;T,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.3.5 <a href="https://wg21.link/deque">[deque]</a>/2 as indicated:
</p>

<blockquote><pre>
iterator erase(const_iterator position);
iterator erase(const_iterator first, const_iterator last);
void swap(deque&lt;T,Allocator&gt;&amp;<del>&amp;</del>);
void clear();

[..]

// specialized algorithms:
template &lt;class T, class Allocator&gt;
void swap(deque&lt;T,Allocator&gt;&amp; x, deque&lt;T,Allocator&gt;&amp; y);
<del>template &lt;class T, class Allocator&gt;
void swap(deque&lt;T,Allocator&gt;&amp;&amp; x, deque&lt;T,Allocator&gt;&amp; y);
template &lt;class T, class Allocator&gt;
void swap(deque&lt;T,Allocator&gt;&amp; x, deque&lt;T,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change  [deque.special] as indicated:
</p>

<blockquote><pre>
template &lt;class T, class Allocator&gt;
void swap(deque&lt;T,Allocator&gt;&amp; x, deque&lt;T,Allocator&gt;&amp; y);
<del>template &lt;class T, class Allocator&gt;
void swap(deque&lt;T,Allocator&gt;&amp;&amp; x, deque&lt;T,Allocator&gt;&amp; y);
template &lt;class T, class Allocator&gt;
void swap(deque&lt;T,Allocator&gt;&amp; x, deque&lt;T,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change  [forwardlist]/2 as indicated:
</p>

<blockquote><pre>
iterator erase_after(const_iterator position);
iterator erase_after(const_iterator position, iterator last);
void swap(forward_list&lt;T,Allocator&gt;&amp;<del>&amp;</del>);

[..]

// 23.3.3.6 specialized algorithms:
template &lt;class T, class Allocator&gt;
void swap(forward_list&lt;T,Allocator&gt;&amp; x, forward_list&lt;T,Allocator&gt;&amp; y);
<del>template &lt;class T, class Allocator&gt;
void swap(forward_list&lt;T,Allocator&gt;&amp;&amp; x, forward_list&lt;T,Allocator&gt;&amp; y);
template &lt;class T, class Allocator&gt;
void swap(forward_list&lt;T,Allocator&gt;&amp; x, forward_list&lt;T,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change  [forwardlist.spec] as indicated:
</p>

<blockquote><pre>
template &lt;class T, class Allocator&gt;
void swap(forward_list&lt;T,Allocator&gt;&amp; x, forward_list&lt;T,Allocator&gt;&amp; y);
<del>template &lt;class T, class Allocator&gt;
void swap(forward_list&lt;T,Allocator&gt;&amp;&amp; x, forward_list&lt;T,Allocator&gt;&amp; y);
template &lt;class T, class Allocator&gt;
void swap(forward_list&lt;T,Allocator&gt;&amp; x, forward_list&lt;T,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.3.11 <a href="https://wg21.link/list">[list]</a>/2 as indicated:
</p>

<blockquote><pre>
iterator erase(const_iterator position);
iterator erase(const_iterator position, const_iterator last);
void swap(list&lt;T,Allocator&gt;&amp;<del>&amp;</del>);
void clear();

[..]

// specialized algorithms:
template &lt;class T, class Allocator&gt;
void swap(list&lt;T,Allocator&gt;&amp; x, list&lt;T,Allocator&gt;&amp; y);
<del>template &lt;class T, class Allocator&gt;
void swap(list&lt;T,Allocator&gt;&amp;&amp; x, list&lt;T,Allocator&gt;&amp; y);
template &lt;class T, class Allocator&gt;
void swap(list&lt;T,Allocator&gt;&amp; x, list&lt;T,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change  [list.special] as indicated:
</p>

<blockquote><pre>
template &lt;class T, class Allocator&gt;
void swap(list&lt;T,Allocator&gt;&amp; x, list&lt;T,Allocator&gt;&amp; y);
<del>template &lt;class T, class Allocator&gt;
void swap(list&lt;T,Allocator&gt;&amp;&amp; x, list&lt;T,Allocator&gt;&amp; y);
template &lt;class T, class Allocator&gt;
void swap(list&lt;T,Allocator&gt;&amp; x, list&lt;T,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.6.3.1 <a href="https://wg21.link/queue.defn">[queue.defn]</a> as indicated:
</p>

<blockquote><pre>
void swap(queue&amp;<del>&amp;</del> q) { c.swap(q.c); }

[..]

template &lt;class T, class Container&gt;
void swap(queue&lt;T, Container&gt;&amp; x, queue&lt;T, Container&gt;&amp; y);
<del>template &lt;class T, class Container&gt;
void swap(queue&lt;T, Container&gt;&amp;&amp; x, queue&lt;T, Container&gt;&amp; y);
template &lt;class T, class Container&gt;
void swap(queue&lt;T, Container&gt;&amp; x, queue&lt;T, Container&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.6.3.6 <a href="https://wg21.link/queue.special">[queue.special]</a> as indicated:
</p>

<blockquote><pre>
template &lt;class T, class Container&gt;
void swap(queue&lt;T, Container&gt;&amp; x, queue&lt;T, Container&gt;&amp; y);
<del>template &lt;class T, class Container&gt;
void swap(queue&lt;T, Container&gt;&amp;&amp; x, queue&lt;T, Container&gt;&amp; y);
template &lt;class T, class Container&gt;
void swap(queue&lt;T, Container&gt;&amp; x, queue&lt;T, Container&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.6.4 <a href="https://wg21.link/priority.queue">[priority.queue]</a>/1 as indicated:
</p>

<blockquote><pre>
void swap(priority_queue&amp;<del>&amp;</del>);

// no equality is provided
template &lt;class T, class Container, class Compare&gt;
void swap(priority_queue&lt;T, Container, Compare&gt;&amp; x, priority_queue&lt;T, Container, Compare&gt;&amp; y);
<del>template &lt;class T, class Container, class Compare&gt;
void swap(priority_queue&lt;T, Container, Compare&gt;&amp;&amp; x, priority_queue&lt;T, Container, Compare&gt;&amp; y);
template &lt;class T, class Container, class Compare&gt;
void swap(priority_queue&lt;T, Container, Compare&gt;&amp; x, priority_queue&lt;T, Container, Compare&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.6.4.5 <a href="https://wg21.link/priqueue.special">[priqueue.special]</a> as indicated:
</p>

<blockquote><pre>
template &lt;class T, class Container, Compare&gt;
void swap(priority_queue&lt;T, Container, Compare&gt;&amp; x, priority_queue&lt;T, Container, Compare&gt;&amp; y);
<del>template &lt;class T, class Container, Compare&gt;
void swap(priority_queue&lt;T, Container, Compare&gt;&amp;&amp; x, priority_queue&lt;T, Container, Compare&gt;&amp; y);
template &lt;class T, class Container, Compare&gt;
void swap(priority_queue&lt;T, Container, Compare&gt;&amp; x, priority_queue&lt;T, Container, Compare&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.6.6.2 <a href="https://wg21.link/stack.defn">[stack.defn]</a> as indicated:
</p>

<blockquote><pre>
void swap(stack&amp;<del>&amp;</del> s) { c.swap(s.c); }

[..]

template &lt;class T, class Allocator&gt;
void swap(stack&lt;T,Allocator&gt;&amp; x, stack&lt;T,Allocator&gt;&amp; y);
<del>template &lt;class T, class Allocator&gt;
void swap(stack&lt;T,Allocator&gt;&amp;&amp; x, stack&lt;T,Allocator&gt;&amp; y);
template &lt;class T, class Allocator&gt;
void swap(stack&lt;T,Allocator&gt;&amp; x, stack&lt;T,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>


</li>

<li>
<p>
Change 23.6.6.7 <a href="https://wg21.link/stack.special">[stack.special]</a> as indicated:
</p>

<blockquote><pre>
template &lt;class T, class Container&gt;
void swap(stack&lt;T, Container&gt;&amp; x, stack&lt;T, Container&gt;&amp; y);
<del>template &lt;class T, class Container&gt;
void swap(stack&lt;T, Container&gt;&amp;&amp; x, stack&lt;T, Container&gt;&amp; y);
template &lt;class T, class Container&gt;
void swap(stack&lt;T, Container&gt;&amp; x, stack&lt;T, Container&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.3.13 <a href="https://wg21.link/vector">[vector]</a>/2 as indicated:
</p>

<blockquote><pre>
void swap(vector&lt;T,Allocator&gt;&amp;<del>&amp;</del>);
void clear();

[..]

// specialized algorithms:
template &lt;class T, class Allocator&gt;
void swap(vector&lt;T,Allocator&gt;&amp; x, vector&lt;T,Allocator&gt;&amp; y);
<del>template &lt;class T, class Allocator&gt;
void swap(vector&lt;T,Allocator&gt;&amp;&amp; x, vector&lt;T,Allocator&gt;&amp; y);
template &lt;class T, class Allocator&gt;
void swap(vector&lt;T,Allocator&gt;&amp; x, vector&lt;T,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.3.13.3 <a href="https://wg21.link/vector.capacity">[vector.capacity]</a> before p. 8 as indicated:
</p>

<blockquote><pre>
void swap(vector&lt;T,Allocator&gt;&amp;<del>&amp;</del> x);
</pre></blockquote>

</li>

<li>
<p>
Change  [vector.special] as indicated:
</p>

<blockquote><pre>
template &lt;class T, class Allocator&gt;
void swap(vector&lt;T,Allocator&gt;&amp; x, vector&lt;T,Allocator&gt;&amp; y);
<del>template &lt;class T, class Allocator&gt;
void swap(vector&lt;T,Allocator&gt;&amp;&amp; x, vector&lt;T,Allocator&gt;&amp; y);
template &lt;class T, class Allocator&gt;
void swap(vector&lt;T,Allocator&gt;&amp; x, vector&lt;T,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.3.14 <a href="https://wg21.link/vector.bool">[vector.bool]</a>/1 as indicated:
</p>

<blockquote><pre>
iterator erase(const_iterator first, const_iterator last);
void swap(vector&lt;bool,Allocator&gt;&amp;<del>&amp;</del>);
static void swap(reference x, reference y);
</pre></blockquote>

</li>

<li>
<p>
Change 23.4 <a href="https://wg21.link/associative">[associative]</a>/1, header <code>&lt;map&gt;</code> synopsis as indicated:
</p>

<blockquote><pre>
template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(map&lt;Key,T,Compare,Allocator&gt;&amp; x, map&lt;Key,T,Compare,Allocator&gt;&amp; y);
<del>template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(map&lt;Key,T,Compare,Allocator&amp;&amp; x, map&lt;Key,T,Compare,Allocator&gt;&amp; y);
template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(map&lt;Key,T,Compare,Allocator&amp; x, map&lt;Key,T,Compare,Allocator&gt;&amp;&amp; y);</del>

[..]

template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(multimap&lt;Key,T,Compare,Allocator&gt;&amp; x, multimap&lt;Key,T,Compare,Allocator&gt;&amp; y);
<del>template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(multimap&lt;Key,T,Compare,Allocator&amp;&amp; x, multimap&lt;Key,T,Compare,Allocator&gt;&amp; y);
template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(multimap&lt;Key,T,Compare,Allocator&amp; x, multimap&lt;Key,T,Compare,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.4 <a href="https://wg21.link/associative">[associative]</a>/1, header <code>&lt;set&gt;</code> synopsis as indicated:
</p>

<blockquote><pre>
template &lt;class Key, class Compare, class Allocator&gt;
void swap(set&lt;Key,Compare,Allocator&gt;&amp; x, set&lt;Key,Compare,Allocator&gt;&amp; y);
<del>template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(set&lt;Key,T,Compare,Allocator&amp;&amp; x, set&lt;Key,T,Compare,Allocator&gt;&amp; y);
template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(set&lt;Key,T,Compare,Allocator&amp; x, set&lt;Key,T,Compare,Allocator&gt;&amp;&amp; y);</del>

[..]

template &lt;class Key, class Compare, class Allocator&gt;
void swap(multiset&lt;Key,Compare,Allocator&gt;&amp; x, multiset&lt;Key,Compare,Allocator&gt;&amp; y);
<del>template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(multiset&lt;Key,T,Compare,Allocator&amp;&amp; x, multiset&lt;Key,T,Compare,Allocator&gt;&amp; y);
template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(multiset&lt;Key,T,Compare,Allocator&amp; x, multiset&lt;Key,T,Compare,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.4.3 <a href="https://wg21.link/map">[map]</a>/2 as indicated:
</p>

<blockquote><pre>
iterator erase(const_iterator first, const_iterator last);
void swap(map&lt;Key,T,Compare,Allocator&gt;&amp;<del>&amp;</del>);
void clear();

[..]

// specialized algorithms:
template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(map&lt;Key,T,Compare,Allocator&gt;&amp; x, map&lt;Key,T,Compare,Allocator&gt;&amp; y);
<del>template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(map&lt;Key,T,Compare,Allocator&amp;&amp; x, map&lt;Key,T,Compare,Allocator&gt;&amp; y);
template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(map&lt;Key,T,Compare,Allocator&amp; x, map&lt;Key,T,Compare,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change  [map.special] as indicated:
</p>

<blockquote><pre>
template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(map&lt;Key,T,Compare,Allocator&gt;&amp; x, map&lt;Key,T,Compare,Allocator&gt;&amp; y);
<del>template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(map&lt;Key,T,Compare,Allocator&gt;&amp;&amp; x, map&lt;Key,T,Compare,Allocator&gt;&amp; y);
template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(map&lt;Key,T,Compare,Allocator&gt;&amp; x, map&lt;Key,T,Compare,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.4.4 <a href="https://wg21.link/multimap">[multimap]</a>/2 as indicated:
</p>

<blockquote><pre>
iterator erase(const_iterator first, const_iterator last);
void swap(multimap&lt;Key,T,Compare,Allocator&gt;&amp;<del>&amp;</del>);
void clear();

[..]

// specialized algorithms:
template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(multimap&lt;Key,T,Compare,Allocator&gt;&amp; x, multimap&lt;Key,T,Compare,Allocator&gt;&amp; y);
<del>template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(multimap&lt;Key,T,Compare,Allocator&amp;&amp; x, multimap&lt;Key,T,Compare,Allocator&gt;&amp; y);
template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(multimap&lt;Key,T,Compare,Allocator&amp; x, multimap&lt;Key,T,Compare,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change  [multimap.special] as indicated:
</p>

<blockquote><pre>
template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(multimap&lt;Key,T,Compare,Allocator&gt;&amp; x, multimap&lt;Key,T,Compare,Allocator&gt;&amp; y);
<del>template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(multimap&lt;Key,T,Compare,Allocator&gt;&amp;&amp; x, multimap&lt;Key,T,Compare,Allocator&gt;&amp; y);
template &lt;class Key, class T, class Compare, class Allocator&gt;
void swap(multimap&lt;Key,T,Compare,Allocator&gt;&amp; x, multimap&lt;Key,T,Compare,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.4.6 <a href="https://wg21.link/set">[set]</a>/2 and  [set.special] as indicated: (twice!)
</p>

<blockquote><pre>
// specialized algorithms:
template &lt;class Key, class Compare, class Allocator&gt;
void swap(set&lt;Key,Compare,Allocator&gt;&amp; x, set&lt;Key,Compare,Allocator&gt;&amp; y);
<del>template &lt;class Key, class Compare, class Allocator&gt;
void swap(set&lt;Key,Compare,Allocator&amp;&amp; x, set&lt;Key,Compare,Allocator&gt;&amp; y);
template &lt;class Key, class Compare, class Allocator&gt;
void swap(set&lt;Key,Compare,Allocator&amp; x, set&lt;Key,Compare,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change 23.4.7 <a href="https://wg21.link/multiset">[multiset]</a>/2 as indicated:
</p>

<blockquote><pre>
iterator erase(const_iterator first, const_iterator last);
void swap(multiset&lt;Key,Compare,Allocator&gt;&amp;<del>&amp;</del>);
void clear();

[..]

// specialized algorithms:
template &lt;class Key, class Compare, class Allocator&gt;
void swap(multiset&lt;Key,Compare,Allocator&gt;&amp; x, multiset&lt;Key,Compare,Allocator&gt;&amp; y);
<del>template &lt;class Key, class Compare, class Allocator&gt;
void swap(multiset&lt;Key,Compare,Allocator&amp;&amp; x, multiset&lt;Key,Compare,Allocator&gt;&amp; y);
template &lt;class Key, class Compare, class Allocator&gt;
void swap(multiset&lt;Key,Compare,Allocator&amp; x, multiset&lt;Key,Compare,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>

<li>
<p>
Change  [multiset.special] as indicated:
</p>

<blockquote><pre>
template &lt;class Key, class Compare, class Allocator&gt;
void swap(multiset&lt;Key,Compare,Allocator&gt;&amp; x, multiset&lt;Key,Compare,Allocator&gt;&amp; y);
<del>template &lt;class Key, class Compare, class Allocator&gt;
void swap(multiset&lt;Key,Compare,Allocator&gt;&amp;&amp; x, multiset&lt;Key,Compare,Allocator&gt;&amp; y);
template &lt;class Key, class Compare, class Allocator&gt;
void swap(multiset&lt;Key,Compare,Allocator&gt;&amp; x, multiset&lt;Key,Compare,Allocator&gt;&amp;&amp; y);</del>
</pre></blockquote>

</li>
</ol>





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