Update status for std::optional LWG issues and fix an optional SFINAE bug git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@284323 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/www/upcoming_meeting.html b/www/upcoming_meeting.html index 36c9a74..1fc56e8 100644 --- a/www/upcoming_meeting.html +++ b/www/upcoming_meeting.html
@@ -109,19 +109,19 @@ <tr><td><a href="http://wg21.link/LWG2736">2736</a></td><td>nullopt_t insufficiently constrained</td><td>Issaquah</td><td></td></tr> <tr><td><a href="http://wg21.link/LWG2738">2738</a></td><td>is_constructible with void types</td><td>Issaquah</td><td>We already do this</td></tr> <tr><td><a href="http://wg21.link/LWG2739">2739</a></td><td>Issue with time_point non-member subtraction with an unsigned duration</td><td>Issaquah</td><td>Patch Ready</td></tr> - <tr><td><a href="http://wg21.link/LWG2740">2740</a></td><td>constexpr optional<T>::operator-></td><td>Issaquah</td><td></td></tr> + <tr><td><a href="http://wg21.link/LWG2740">2740</a></td><td>constexpr optional<T>::operator-></td><td>Issaquah</td><td>We already do this</td></tr> <tr><td><a href="http://wg21.link/LWG2742">2742</a></td><td>Inconsistent string interface taking string_view</td><td>Issaquah</td><td>Patch Ready</td></tr> <tr><td><a href="http://wg21.link/LWG2744">2744</a></td><td>any's in_place constructors</td><td>Issaquah</td><td>Implemented in trunk</td></tr> <tr><td><a href="http://wg21.link/LWG2745">2745</a></td><td>[fund.ts.v2] Implementability of LWG 2451</td><td>Issaquah</td><td></td></tr> <tr><td><a href="http://wg21.link/LWG2747">2747</a></td><td>Possibly redundant std::move in [alg.foreach]</td><td>Issaquah</td><td>Patch ready</td></tr> - <tr><td><a href="http://wg21.link/LWG2748">2748</a></td><td>swappable traits for optionals</td><td>Issaquah</td><td></td></tr> + <tr><td><a href="http://wg21.link/LWG2748">2748</a></td><td>swappable traits for optionals</td><td>Issaquah</td><td>We already do this</td></tr> <tr><td><a href="http://wg21.link/LWG2749">2749</a></td><td>swappable traits for variants</td><td>Issaquah</td><td></td></tr> <tr><td><a href="http://wg21.link/LWG2750">2750</a></td><td>[fund.ts.v2] LWG 2451 conversion constructor constraint</td><td>Issaquah</td><td></td></tr> <tr><td><a href="http://wg21.link/LWG2752">2752</a></td><td>"Throws:" clauses of async and packaged_task are unimplementable</td><td>Issaquah</td><td></td></tr> - <tr><td><a href="http://wg21.link/LWG2753">2753</a></td><td>Optional's constructors and assignments need constraints</td><td>Issaquah</td><td></td></tr> + <tr><td><a href="http://wg21.link/LWG2753">2753</a></td><td>Optional's constructors and assignments need constraints</td><td>Issaquah</td><td>We already do this</td></tr> <tr><td><a href="http://wg21.link/LWG2754">2754</a></td><td>The in_place constructors and emplace functions added by P0032R3 don't require CopyConstructible</td><td>Issaquah</td><td></td></tr> <tr><td><a href="http://wg21.link/LWG2755">2755</a></td><td>§[string.view.io] uses non-existent basic_string_view::to_string function</td><td>Issaquah</td><td>We already do this</td></tr> - <tr><td><a href="http://wg21.link/LWG2756">2756</a></td><td>C++ WP optional<T> should 'forward' T's implicit conversions</td><td>Issaquah</td><td></td></tr> + <tr><td><a href="http://wg21.link/LWG2756">2756</a></td><td>C++ WP optional<T> should 'forward' T's implicit conversions</td><td>Issaquah</td><td>Implemented in trunk</td></tr> <tr><td><a href="http://wg21.link/LWG2758">2758</a></td><td>std::string{}.assign("ABCDE", 0, 1) is ambiguous</td><td>We already do this</td><td></td></tr> <tr><td><a href="http://wg21.link/LWG2759">2759</a></td><td>gcd / lcm and bool for the WP</td><td>Issaquah</td><td>Patch ready</td></tr> <tr><td><a href="http://wg21.link/LWG2760">2760</a></td><td>non-const basic_string::data should not invalidate iterators</td><td>Issaquah</td><td>Nothing to do</td></tr> @@ -187,19 +187,19 @@ <li>2736 - </li> <li>2738 - We already do this; I added tests for cv-void</li> <li>2739 - Patch and tests ready</li> -<li>2740 - <i>std::optional</i></li> +<li>2740 - <i>std::optional</i>: The resolution LGTM. </li> <li>2742 - Patch and tests ready</li> <li>2744 - <i>std::any</i>: We already do this. We also check for a decayed in_place_type_t. </li> <li>2745 - <i>std::optional</i> for LFTS -- should be considered for C++17</li> <li>2747 - Patch ready, but I can't think of any way to test it.</li> -<li>2748 - <i>std::optional</i></li> +<li>2748 - <i>std::optional</i>: LGTM. </li> <li>2749 - <i>std::variant</i></li> <li>2750 - <i>std::optional</i> for LFTS -- should be considered for C++17</li> <li>2752 - </li> -<li>2753 - <i>std::optional</i></li> +<li>2753 - <i>std::optional</i>: LGTM. </li> <li>2754 - </li> <li>2755 - Both string and string_view call a common routine for output; so no code changes needed.</li> -<li>2756 - <i>std::optional</i></li> +<li>2756 - <i>std::optional</i>: Very large change. It is fully implemented and tested. </li> <li>2758 - We already do this. </li> <li>2759 - Patch and tests ready</li> <li>2760 - This is just wording cleanup; no code or test changes needed.</li>