<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Issue</th>
<td>
<a href=https://github.com/llvm/llvm-project/issues/105029>105029</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>
LWG3761: `cartesian_product_view::iterator::operator-` should pass by reference
</td>
</tr>
<tr>
<th>Labels</th>
<td>
libc++,
c++23,
lwg-issue
</td>
</tr>
<tr>
<th>Assignees</th>
<td>
</td>
</tr>
<tr>
<th>Reporter</th>
<td>
ldionne
</td>
</tr>
</table>
<pre>
**Link:** https://wg21.link/LWG3761
</pre>
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