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    CWG Issue 2662</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="2662"></A><H4>2662.
  
Example for member access control vs. overload resolution
</H4>
<B>Section: </B>11.8.1&#160; [<A href="https://wg21.link/class.access.general">class.access.general</A>]
 &#160;&#160;&#160;

 <B>Status: </B>C++23
 &#160;&#160;&#160;

 <B>Submitter: </B>Shafik Yaghmour
 &#160;&#160;&#160;

 <B>Date: </B>2022-12-02<BR>


<P>[Accepted as a DR at the February, 2023 meeting.]</P>

<P>
<A HREF="600.html">Issue 600</A> was resolved by P1787R6, but
no example was added.</P>

<P><B>Proposed resolution (approved by CWG 2023-01-06):</B></P>

<P>Change in 11.8.1 [<A href="https://wg21.link/class.access.general#4">class.access.general</A>] paragraph 4 as follows:</P>

<BLOCKQUOTE>

... When a <I>using-declarator</I> is named, access control is applied to
it, not to the declarations that replace it. For an overload set,
access control is applied only to the function selected by overload
resolution.

<P class="ins">[ Example:</P>
<PRE class="ins">
  struct S {
    void f(int);
  private:
    void f(double);
  };

  void g(S* sp) {
    sp-&gt;f(2);    //<SPAN CLASS="cmnt"> OK, access control applied after overload resolution</SPAN>
  }
</PRE>
<P class="ins">-- end example ]</P>

</BLOCKQUOTE>

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