<div dir="ltr"><div>Hey all,</div><div><br></div><div>I updated the SD-6 document on <a href="http://isocpp.org">isocpp.org</a>: <a href="https://wg21.link/sd6">https://wg21.link/sd6</a>. I'm still having some CSS woes, but otherwise I updated the original document with the feature-test macros that have been adopted since it was first written, and organized the table by macro so that it's easy to see the history of values (e.g. for CTAD: <a href="https://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations#__cpp_deduction_guides">https://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations#__cpp_deduction_guides</a>). Please let me know if anything is wrong there, or missing, or generally could be improved.<br></div><div><br></div><div>Also, I went through the Straw Polls pages to see if we missed any macros and made the following list. I tried to be as liberal as possible in determining whether people would attempt to write code in both the old and new way, so as to prefer to produce a list with some things we could reject rather than miss more things... so I expect several of these may not actually need a macro. Several of them didn't (like "down with typename" - presumably you would just... write typename).<br></div><div><br></div><div>Let me know what you think. What belongs, what doesn't belong, any opinions would be very helpful. I'm intending to write a paper for Belfast with whatever we all decide is actually missing:<br><br>Toronto 2017 (201707)<br>- Designated Initializers (P0329R4)<br>- Familiar syntax for generic lambdas (P0428R2)<br>- make_shared for arrays (P0674R1)<br><br>Albuquerque 2017 (201711)<br>- Range-for with initializer (P0614R1, bump __cpp_range_based_for?)<br>- ADL and function templates (P0846R0)<br>- Default constructible and assignable lambdas (P0624R2)<br>- Lambdas in unevaluated contexts (P0315R4)<br>- remove_cvref (P0550R2)<br>- syncbuf (P0053R7)<br>- to_address (P0653R2)<br>- constexpr for complex (P0415R1)<br>- atomic shared_ptr (P0718R2)<br>- floating point atomic (P0020R6)<br>- starts_with/ends_with (P0457R2)<br><br>Jacksonville 2018 (201803)<br>- Pack expansion in lambda init-capture (P0780R2)<br>- Symmetry for <=> (P0905R1, should bump __cpp_impl_three_way_comparison?)<br>- Comparing unordered containers (P0809R0)<br>- <chrono> for calendars and timezones (P0355R7)<br>- Manipulators for synchronized buffered ostream (P0753R2, should bump<br> whatever syncbuf adds)<br>- span (P0122R7)<br><br>Rapperswil 2018 (201806)<br>- Virtual calls in constexpr (P1064R0)<br>- contains (P0458R2)<br>- constexpr array comparison? (P1023R0)<br>- shift algorithms (P0769R2)<br>- identity (P0887R1)<br>- is_nothrow_convertible (P0758R1)<br>- integral power of 2 functions (P0556R3)<br><br>San Diego 2018 (201811)<br>
- things that bump constexpr (try/catch P1002R1, dynamic_cast,
polymorphic typeid P1327R1, and change active member of union P1330R0)
<br>- immediate functions (P1073R3)<br>- optional/variant propogate triviality (P0602R4)<br>- visit<R> (P0655R1)<br>- constexpr pointer_traits (P1006R1, possibly with __cpp_lib_constexpr)<br>- unwrap_ref_decay / unwrap_reference (P0318R1)<br>- sane variant converting ctor (P0608R3)<br>- assume_aligned (P1007R3)<br>- smart pointer with default init (P1020R1)<br>- should span be regular (P1085R2, just bump from the other span paper)<br><br>Kona 2019 (201902)<br>- extending structured bindings (P1091R3, P1381R1)<br>- <=> != == (should bump both the class nttp macro, and the 3-way comparison macro)<br>- polymorphic_allocator (P0339R6)<br>- std:ssize (P1227R2)<br>- more span things (P1024R3)<br><br>Cologne 2019 (201907<br>- mothership library paper introduces a new macro for no reason (P1614R2), should have just bumped __cpp_lib_three_way_comparison<br>- efficient stringbuf (P0408R7)</div><div><br></div><div>Barry<br></div></div>