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    CWG Issue 1750</TITLE>
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<P><EM>This is an unofficial snapshot of the ISO/IEC JTC1 SC22 WG21
  Core Issues List revision 118b.
  See http://www.open-std.org/jtc1/sc22/wg21/ for the official
  list.</EM></P>
<P>2025-09-28</P>
<HR>
<A NAME="1750"></A><H4>1750.
  
&#8220;Argument&#8221; vs &#8220;parameter&#8221;
</H4>
<B>Section: </B>12.2.2.5&#160; [<A href="https://wg21.link/over.match.copy">over.match.copy</A>]
 &#160;&#160;&#160;

 <B>Status: </B>CD4
 &#160;&#160;&#160;

 <B>Submitter: </B>Mike Miller
 &#160;&#160;&#160;

 <B>Date: </B>2013-09-13<BR>


<P>[Moved to DR at the November, 2014 meeting.]</P>

<P>The current wording of the second bullet of paragraph 1 of
12.2.2.5 [<A href="https://wg21.link/over.match.copy">over.match.copy</A>] contains the phrase,</P>

<BLOCKQUOTE>

When initializing a temporary to be bound to the first parameter of a
constructor that takes a reference to possibly cv-qualified <TT>T</TT> as
its first argument...

</BLOCKQUOTE>

<P>Presumably &#8220;argument&#8221; should be &#8220;parameter.&#8221;</P>

<P><B>Proposed resolution (February, 2014):</B></P>

<P>Change 12.2.2.5 [<A href="https://wg21.link/over.match.copy#1">over.match.copy</A>] paragraph 1 as follows:</P>

<BLOCKQUOTE>

<P>...the candidate functions are selected as follows:</P>

<UL>
<LI><P>The converting constructors (11.4.8.2 [<A href="https://wg21.link/class.conv.ctor">class.conv.ctor</A>])
of <TT>T</TT> are candidate functions.</P></LI>

<LI><P>When the type of the initializer expression is a class type
&#8220;<I>cv</I> <TT>S</TT>&#8221;, the non-explicit conversion functions
of <TT>S</TT> and its base classes are considered. When initializing a
temporary to be bound to the first parameter of a constructor <DEL>that
takes a</DEL> <INS>where the parameter is of type &#8220;</INS>reference to
possibly cv-qualified <TT>T</TT><INS>&#8221;</INS> <DEL>as its first
argument,</DEL> <INS>and the constructor is</INS> called with a single
argument in the context of direct-initialization of an object of type
&#8220;<I>cv2</I> <TT>T</TT>&#8221;, explicit conversion functions are also
considered. Those that are not hidden...</P></LI>

</UL>

</BLOCKQUOTE>

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