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    CWG Issue 286</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="286"></A><H4>286.
  
Incorrect example in partial specialization
</H4>
<B>Section: </B>13.7.6&#160; [<A href="https://wg21.link/temp.spec.partial">temp.spec.partial</A>]
 &#160;&#160;&#160;

 <B>Status: </B>CD1
 &#160;&#160;&#160;

 <B>Submitter: </B>Martin Sebor
 &#160;&#160;&#160;

 <B>Date: </B>09 May 2001<BR>


<P>[Moved to DR at 4/02 meeting.]</P>



<P>The example in 13.7.6.1 [<A href="https://wg21.link/temp.spec.partial.general#6">temp.spec.partial.general</A>] paragraph 6 is
incorrect.  It reads,</P>

<PRE>
    template&lt;class T&gt; struct A {
        class C {
            template&lt;class T2&gt; struct B { };
        };
    };

    // partial specialization of A&lt;T&gt;::C::B&lt;T2&gt;
    template&lt;class T&gt; template&lt;class T2&gt;
        struct A&lt;T&gt;::C::B&lt;T2*&gt; { };

    A&lt;short&gt;::C::B&lt;int*&gt; absip; // uses partial specialization
</PRE>

<P>Because <TT>C</TT> is a <TT>class</TT> rather than a <TT>struct</TT>,
the use of the name <TT>B</TT> is inaccessible.</P>

<P><B>Proposed Resolution (10/01):</B></P>

<P>Change <TT>class C</TT> to <TT>struct C</TT> in the example in
13.7.6.1 [<A href="https://wg21.link/temp.spec.partial.general#6">temp.spec.partial.general</A>] paragraph 6.  The example becomes</P>
<PRE>
    template&lt;class T&gt; struct A {
        struct C {
            template&lt;class T2&gt; struct B { };
        };
    };

    // partial specialization of A&lt;T&gt;::C::B&lt;T2&gt;
    template&lt;class T&gt; template&lt;class T2&gt;
        struct A&lt;T&gt;::C::B&lt;T2*&gt; { };

    A&lt;short&gt;::C::B&lt;int*&gt; absip; // uses partial specialization
</PRE>

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