| 656ac8b7 |
1 | <section xmlns="http://docbook.org/ns/docbook" version="5.0" |
| 2 | xml:id="status.iso.2020" xreflabel="Status C++ 2020"> |
| 3 | <?dbhtml filename="status_iso_cxx2020.html"?> |
| 4 | |
| 5 | <info><title>C++ 202a</title> |
| 6 | <keywordset> |
| 7 | <keyword>ISO C++</keyword> |
| 8 | <keyword>2020</keyword> |
| 9 | </keywordset> |
| 10 | </info> |
| 11 | |
| 12 | <para> |
| 13 | In this implementation the <literal>-std=gnu++2a</literal> or |
| 14 | <literal>-std=c++2a</literal> flag must be used to enable language |
| 15 | and library |
| 16 | features. See <link linkend="manual.intro.using.flags">dialect</link> |
| 17 | options. The pre-defined symbol |
| 18 | <constant>__cplusplus</constant> is used to check for the |
| 19 | presence of the required flag. |
| 20 | </para> |
| 21 | |
| 22 | <para> |
| 23 | This section describes the C++20 and library TS support in mainline GCC SVN, |
| 24 | not in any particular release. |
| 25 | </para> |
| 26 | |
| 27 | <para> |
| 28 | The following table lists new library features that have been accepted into |
| 29 | the C++2a working draft. The "Proposal" column provides a link to the |
| 30 | ISO C++ committee proposal that describes the feature, while the "Status" |
| 31 | column indicates the first version of GCC that contains an implementation of |
| 32 | this feature (if it has been implemented). |
| 33 | The "SD-6 Feature Test" column shows the corresponding macro or header from |
| 34 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations">SD-6: |
| 35 | Feature-testing recommendations for C++</link>. |
| 36 | </para> |
| 37 | |
| 38 | <table frame="all" xml:id="table.cxx20_status"> |
| 39 | <title>C++ 2020 Implementation Status</title> |
| 40 | |
| 41 | <tgroup cols="4" align="left" colsep="0" rowsep="1"> |
| 42 | <colspec colname="c1"/> |
| 43 | <colspec colname="c2"/> |
| 44 | <colspec colname="c3"/> |
| 45 | <colspec colname="c4"/> |
| 46 | <thead> |
| 47 | <row> |
| 48 | <entry>Library Feature</entry> |
| 49 | <entry>Proposal</entry> |
| 50 | <entry>Status</entry> |
| 51 | <entry>SD-6 Feature Test</entry> |
| 52 | </row> |
| 53 | </thead> |
| 54 | |
| 55 | <tbody> |
| 56 | |
| 57 | <row> |
| 58 | <entry> Endian just Endian </entry> |
| 59 | <entry> |
| 60 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0463r1.html"> |
| 61 | P0463R1 |
| 62 | </link> |
| 63 | </entry> |
| 64 | <entry align="center"> 8.1 </entry> |
| 65 | <entry /> |
| 66 | </row> |
| 67 | |
| 68 | <row> |
| 69 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 70 | <entry> Extending <code>make_shared</code> to Support Arrays </entry> |
| 71 | <entry> |
| 72 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0674r1.html"> |
| 73 | P0674R1 |
| 74 | </link> |
| 75 | </entry> |
| 76 | <entry align="center"> </entry> |
| 77 | <entry /> |
| 78 | </row> |
| 79 | |
| 80 | <row> |
| 656ac8b7 |
81 | <entry> Floating Point Atomic </entry> |
| 82 | <entry> |
| 83 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0020r6.html"> |
| 84 | P0020R6 |
| 85 | </link> |
| 86 | </entry> |
| 6e6ad5a7 |
87 | <entry align="center"> 10.1 </entry> |
| 656ac8b7 |
88 | <entry /> |
| 89 | </row> |
| 90 | |
| 91 | <row> |
| 92 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 93 | <entry> C++ Synchronized Buffered Ostream </entry> |
| 94 | <entry> |
| 95 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0053r7.pdf"> |
| 96 | P0053R7 |
| 97 | </link> |
| 98 | </entry> |
| 99 | <entry align="center"> </entry> |
| 100 | <entry /> |
| 101 | </row> |
| 102 | |
| 103 | <row> |
| 104 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 105 | <entry> Add constexpr modifiers to functions in <code><algorithm></code> and <code><utility></code> Headers </entry> |
| 106 | <entry> |
| 107 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0202r3.html"> |
| 108 | P0202R3 |
| 109 | </link> |
| 110 | </entry> |
| 111 | <entry align="center"> </entry> |
| 112 | <entry /> |
| 113 | </row> |
| 114 | |
| 115 | <row> |
| 116 | <entry> Constexpr for <code>std::complex</code> </entry> |
| 117 | <entry> |
| 118 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0415r1.html"> |
| 119 | P0415R1 |
| 120 | </link> |
| 121 | </entry> |
| 122 | <entry align="center"> 9.1 </entry> |
| 123 | <entry /> |
| 124 | </row> |
| 125 | |
| 126 | <row> |
| 656ac8b7 |
127 | <entry> Make <code>std::memory_order</code> a scoped enumeration </entry> |
| 128 | <entry> |
| 129 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0439r0.html"> |
| 130 | P0439R0 |
| 131 | </link> |
| 132 | </entry> |
| f24442bd |
133 | <entry align="center"> 9.1 </entry> |
| 656ac8b7 |
134 | <entry /> |
| 135 | </row> |
| 136 | |
| 137 | <row> |
| 138 | <entry> String Prefix and Suffix Checking </entry> |
| 139 | <entry> |
| 140 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0457r2.html"> |
| 141 | P0457R2 |
| 142 | </link> |
| 143 | </entry> |
| 144 | <entry align="center"> 9.1 </entry> |
| 145 | <entry /> |
| 146 | </row> |
| 147 | |
| 148 | <row> |
| 149 | <entry> Transformation Trait <code>remove_cvref</code> </entry> |
| 150 | <entry> |
| 151 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0550r2.pdf"> |
| 152 | P0550R2 |
| 153 | </link> |
| 154 | </entry> |
| 155 | <entry align="center"> 9.1 </entry> |
| 156 | <entry /> |
| 157 | </row> |
| 158 | |
| 159 | <row> |
| 656ac8b7 |
160 | <entry> <code>nodiscard</code> in the Library </entry> |
| 161 | <entry> |
| 162 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0600r1.pdf"> |
| 163 | P0600R1 |
| 164 | </link> |
| 165 | </entry> |
| dae923a7 |
166 | <entry align="center"> 9.1 </entry> |
| 656ac8b7 |
167 | <entry /> |
| 168 | </row> |
| 169 | |
| 170 | <row> |
| 656ac8b7 |
171 | <entry> de-pessimize legacy algorithms with <code>std::move</code> </entry> |
| 172 | <entry> |
| 173 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0616r0.pdf"> |
| 174 | P0616R0 |
| 175 | </link> |
| 176 | </entry> |
| f24442bd |
177 | <entry align="center"> 9.1 </entry> |
| 656ac8b7 |
178 | <entry /> |
| 179 | </row> |
| 180 | |
| 181 | <row> |
| 182 | <entry> Utility to convert a pointer to a raw pointer </entry> |
| 183 | <entry> |
| 184 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0653r2.html"> |
| 185 | P0653R2 |
| 186 | </link> |
| 187 | </entry> |
| 188 | <entry align="center"> 8.1 </entry> |
| 189 | <entry /> |
| 190 | </row> |
| 191 | |
| 192 | <row> |
| 193 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 194 | <entry> Atomic <code>shared_ptr</code> </entry> |
| 195 | <entry> |
| 196 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0718r2.html"> |
| 197 | P0718R2 |
| 198 | </link> |
| 199 | </entry> |
| 200 | <entry align="center"> </entry> |
| 201 | <entry /> |
| 202 | </row> |
| 203 | |
| 204 | <row> |
| 205 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 206 | <entry> Deprecate POD </entry> |
| 207 | <entry> |
| 208 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0767r1.html"> |
| 209 | P0767R1 |
| 210 | </link> |
| 211 | </entry> |
| 212 | <entry align="center"> </entry> |
| 213 | <entry /> |
| 214 | </row> |
| 215 | |
| 216 | <row> |
| 217 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 218 | <entry> Library Support for the Spaceship (Comparison) Operator </entry> |
| 219 | <entry> |
| 220 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0768r1.pdf"> |
| 221 | P0768R1 |
| 222 | </link> |
| 223 | </entry> |
| 224 | <entry align="center"> </entry> |
| 225 | <entry /> |
| 226 | </row> |
| 227 | |
| 228 | <row> |
| 656ac8b7 |
229 | <entry> Treating Unnecessary <code>decay</code> </entry> |
| 230 | <entry> |
| 231 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0777r1.pdf"> |
| 232 | P0777R1 |
| 233 | </link> |
| 234 | </entry> |
| f02e0f08 |
235 | <entry align="center"> 9.1 </entry> |
| 656ac8b7 |
236 | <entry /> |
| 237 | </row> |
| 238 | |
| 239 | <row> |
| 656ac8b7 |
240 | <entry> <code><span></code> </entry> |
| 241 | <entry> |
| 242 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0122r7.pdf"> |
| 243 | P0122R7 |
| 244 | </link> |
| 245 | </entry> |
| 539fe734 |
246 | <entry align="center"> 10.1 </entry> |
| 247 | <entry> <code>__cpp_lib_span >= 201803L</code> </entry> |
| 656ac8b7 |
248 | </row> |
| 249 | |
| 250 | <row> |
| 251 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 252 | <entry> Extending chrono to Calendars and Time Zones </entry> |
| 253 | <entry> |
| 254 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0355r7.html"> |
| 255 | P0355R7 |
| 256 | </link> |
| 257 | </entry> |
| 258 | <entry align="center"> </entry> |
| 259 | <entry /> |
| 260 | </row> |
| 261 | |
| 262 | <row> |
| 263 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 264 | <entry> Thou Shalt Not Specialize std Function Templates! </entry> |
| 265 | <entry> |
| 266 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0551r3.pdf"> |
| 267 | P0551R3 |
| 268 | </link> |
| 269 | </entry> |
| 270 | <entry align="center"> </entry> |
| 271 | <entry /> |
| 272 | </row> |
| 273 | |
| 274 | <row> |
| 275 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 276 | <entry> Manipulators for C++ Synchronized Buffered Ostream </entry> |
| 277 | <entry> |
| 278 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0753r2.pdf"> |
| 279 | P0753R2 |
| 280 | </link> |
| 281 | </entry> |
| 282 | <entry align="center"> </entry> |
| 283 | <entry /> |
| 284 | </row> |
| 285 | |
| 286 | <row> |
| 287 | <entry> <code><version></code> </entry> |
| 288 | <entry> |
| 289 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0754r2.pdf"> |
| 290 | P0754R2 |
| 291 | </link> |
| 292 | </entry> |
| 293 | <entry align="center"> 9.1 </entry> |
| 294 | <entry /> |
| 295 | </row> |
| 296 | |
| 297 | <row> |
| 298 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 299 | <entry> Comparing Unordered Containers </entry> |
| 300 | <entry> |
| 301 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0809r0.pdf"> |
| 302 | P0809R0 |
| 303 | </link> |
| 304 | </entry> |
| 305 | <entry align="center"> </entry> |
| 306 | <entry /> |
| 307 | </row> |
| 308 | |
| 309 | <row> |
| 310 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 311 | <entry> Constexpr iterator requirements </entry> |
| 312 | <entry> |
| 313 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0858r0.html"> |
| 314 | P0858R0 |
| 315 | </link> |
| 316 | </entry> |
| 317 | <entry align="center"> </entry> |
| 318 | <entry /> |
| 319 | </row> |
| 320 | |
| 321 | <row> |
| 322 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 323 | <entry> Symmetry for spaceship </entry> |
| 324 | <entry> |
| 325 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0905r1.html"> |
| 326 | P0905R1 |
| 327 | </link> |
| 328 | </entry> |
| 329 | <entry align="center"> </entry> |
| 330 | <entry /> |
| 331 | </row> |
| 332 | |
| 333 | <row> |
| 334 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 335 | <entry> <code>string::reserve</code> Should Not Shrink </entry> |
| 336 | <entry> |
| 337 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0966r1.html"> |
| 338 | P0966R1 |
| 339 | </link> |
| 340 | </entry> |
| 341 | <entry align="center"> </entry> |
| 342 | <entry /> |
| 343 | </row> |
| 344 | |
| 345 | <row> |
| 656ac8b7 |
346 | <entry> Atomic Ref </entry> |
| 347 | <entry> |
| 348 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0019r8.html"> |
| 349 | P0019R8 |
| 350 | </link> |
| 351 | </entry> |
| 6e6ad5a7 |
352 | <entry align="center"> 10.1 </entry> |
| 353 | <entry> <code>__cpp_lib_atomic_ref >= 201806L</code> </entry> |
| 656ac8b7 |
354 | </row> |
| 355 | |
| 356 | <row> |
| 357 | <entry> Checking for Existence of an Element in Associative Containers </entry> |
| 358 | <entry> |
| 359 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0458r2.html"> |
| 360 | P0458R2 |
| 361 | </link> |
| 362 | </entry> |
| 363 | <entry align="center"> 9.1 </entry> |
| 364 | <entry /> |
| 365 | </row> |
| 366 | |
| 367 | <row> |
| 368 | <entry> LWG 2511: guaranteed copy elision for piecewise construction </entry> |
| 369 | <entry> |
| 370 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0475r1.html"> |
| 371 | P0475R1 |
| 372 | </link> |
| 373 | </entry> |
| 374 | <entry align="center"> 7.1 </entry> |
| 375 | <entry /> |
| 376 | </row> |
| 377 | |
| 378 | <row> |
| 379 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 380 | <entry> Bit-casting object representations </entry> |
| 381 | <entry> |
| 382 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0476r2.html"> |
| 383 | P0476R2 |
| 384 | </link> |
| 385 | </entry> |
| 386 | <entry align="center"> </entry> |
| 387 | <entry /> |
| 388 | </row> |
| 389 | |
| 390 | <row> |
| 391 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 392 | <entry> The Curious Case of Padding Bits, Featuring Atomic Compare-and-Exchange </entry> |
| 393 | <entry> |
| 394 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0528r3.html"> |
| 395 | P0528R3 |
| 396 | </link> |
| 397 | </entry> |
| 398 | <entry align="center"> </entry> |
| 399 | <entry /> |
| 400 | </row> |
| 401 | |
| 402 | <row> |
| 403 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 404 | <entry> Support for contract based programming in C++ </entry> |
| 405 | <entry> |
| 406 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0542r5.html"> |
| 407 | P0542R5 |
| 408 | </link> |
| 409 | </entry> |
| 410 | <entry align="center"> </entry> |
| 411 | <entry /> |
| 412 | </row> |
| 413 | |
| 414 | <row> |
| 415 | <entry> Integral power-of-2 operations </entry> |
| 416 | <entry> |
| 417 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0556r3.html"> |
| 418 | P0556R3 |
| 419 | </link> |
| 420 | </entry> |
| 421 | <entry align="center"> 9.1 </entry> |
| 422 | <entry /> |
| 423 | </row> |
| 424 | |
| 425 | <row> |
| 426 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 427 | <entry> Reviewing Deprecated Facilities of C++17 for C++20 </entry> |
| 428 | <entry> |
| 429 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0619r4.html"> |
| 430 | P0619R4 |
| 431 | </link> |
| 432 | </entry> |
| 433 | <entry align="center"> </entry> |
| 434 | <entry /> |
| 435 | </row> |
| 436 | |
| 437 | <row> |
| 438 | <entry> Improving the Return Value of Erase-Like Algorithms </entry> |
| 439 | <entry> |
| 440 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0646r1.pdf"> |
| 441 | P0646R1 |
| 442 | </link> |
| 443 | </entry> |
| 444 | <entry align="center"> 9.1 </entry> |
| 445 | <entry> <code>__cpp_lib_list_remove_return_type >= 201806L</code> </entry> |
| 446 | </row> |
| 447 | |
| 448 | <row> |
| 449 | <entry> Efficient sized delete for variable sized classes </entry> |
| 450 | <entry> |
| 451 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0722r3.html"> |
| 452 | P0722R3 |
| 453 | </link> |
| 454 | </entry> |
| 455 | <entry align="center"> 9.1 </entry> |
| 456 | <entry> <code>__cpp_lib_destroying_delete >= 201806L</code> </entry> |
| 457 | </row> |
| 458 | |
| 459 | <row> |
| 460 | <entry> Implicit conversion traits and utility functions </entry> |
| 461 | <entry> |
| 462 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0758r1.html"> |
| 463 | P0758R1 |
| 464 | </link> |
| 465 | </entry> |
| 466 | <entry align="center"> 9.1 </entry> |
| 467 | <entry /> |
| 468 | </row> |
| 469 | |
| 470 | <row> |
| 471 | <entry> <code>fpos</code> Requirements </entry> |
| 472 | <entry> |
| 473 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0759r1.html"> |
| 474 | P0759R1 |
| 475 | </link> |
| 476 | </entry> |
| 477 | <entry align="center"> Note 1 </entry> |
| 478 | <entry /> |
| 479 | </row> |
| 480 | |
| 481 | <row> |
| 482 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 483 | <entry> Add <code>shift</code> to <code><algorithm></code> </entry> |
| 484 | <entry> |
| 485 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0769r2.pdf"> |
| 486 | P0769R2 |
| 487 | </link> |
| 488 | </entry> |
| 489 | <entry align="center"> </entry> |
| 490 | <entry /> |
| 491 | </row> |
| 492 | |
| 493 | <row> |
| 494 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 495 | <entry> Standard Library Specification in a Concepts and Contracts World </entry> |
| 496 | <entry> |
| 497 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0788r3.pdf"> |
| 498 | P0788R3 |
| 499 | </link> |
| 500 | </entry> |
| 501 | <entry align="center"> </entry> |
| 502 | <entry /> |
| 503 | </row> |
| 504 | |
| 505 | <row> |
| 506 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 507 | <entry> Constexpr for <code>swap</code> and swap related functions </entry> |
| 508 | <entry> |
| 509 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0879r0.html"> |
| 510 | P0879R0 |
| 511 | </link> |
| 512 | </entry> |
| 513 | <entry align="center"> </entry> |
| 514 | <entry /> |
| 515 | </row> |
| 516 | |
| 517 | <row> |
| 656ac8b7 |
518 | <entry> The <code>identity</code> metafunction </entry> |
| 519 | <entry> |
| 520 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0887r1.pdf"> |
| 521 | P0887R1 |
| 522 | </link> |
| 523 | </entry> |
| 1bbfe9f8 |
524 | <entry align="center"> 9.1 </entry> |
| 656ac8b7 |
525 | <entry /> |
| 526 | </row> |
| 527 | |
| 528 | <row> |
| 529 | <entry> <code>explicit(bool)</code> </entry> |
| 530 | <entry> |
| 531 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0892r2.html"> |
| 532 | P0892R2 |
| 533 | </link> |
| 534 | </entry> |
| 535 | <entry align="center"> Note 1 </entry> |
| 536 | <entry /> |
| 537 | </row> |
| 538 | |
| 539 | <row> |
| 540 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 541 | <entry> Standard Library Concepts </entry> |
| 542 | <entry> |
| 543 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0898r3.pdf"> |
| 544 | P0898R3 |
| 545 | </link> |
| 546 | </entry> |
| 547 | <entry align="center"> </entry> |
| 548 | <entry /> |
| 549 | </row> |
| 550 | |
| 551 | <row> |
| 552 | <entry> Eradicating unnecessarily explicit default constructors from the standard library </entry> |
| 553 | <entry> |
| 554 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0935r0.html"> |
| 555 | P0935R0 |
| 556 | </link> |
| 557 | </entry> |
| 558 | <entry align="center"> 9.1 </entry> |
| 559 | <entry /> |
| 560 | </row> |
| 561 | |
| 562 | <row> |
| 563 | <entry> Integrating feature-test macros into the C++ WD </entry> |
| 564 | <entry> |
| 565 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0941r2.html"> |
| 566 | P0941R2 |
| 567 | </link> |
| 568 | </entry> |
| 569 | <entry align="center"> 5.1 </entry> |
| 570 | <entry /> |
| 571 | </row> |
| 572 | |
| 573 | <row> |
| 574 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 575 | <entry> <code>constexpr</code> comparison operators for <code>std::array</code> </entry> |
| 576 | <entry> |
| 577 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1023r0.pdf"> |
| 578 | P1023R0 |
| 579 | </link> |
| 580 | </entry> |
| 581 | <entry align="center"> </entry> |
| 582 | <entry /> |
| 583 | </row> |
| 584 | |
| 585 | <row> |
| 586 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 587 | <entry> Update The Reference To The Unicode Standard </entry> |
| 588 | <entry> |
| 589 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1025r1.html"> |
| 590 | P1025R1 |
| 591 | </link> |
| 592 | </entry> |
| 593 | <entry align="center"> </entry> |
| 594 | <entry /> |
| 595 | </row> |
| 596 | |
| 597 | <row> |
| 598 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 599 | <entry> Consistency improvements for <code><=></code> and other comparison operators </entry> |
| 600 | <entry> |
| 601 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1120r0.html"> |
| 602 | P1120R0 |
| 603 | </link> |
| 604 | </entry> |
| 605 | <entry align="center"> </entry> |
| 606 | <entry /> |
| 607 | </row> |
| 608 | |
| 609 | <row> |
| 610 | <entry> <code>unwrap_ref_decay</code> and <code>unwrap_reference</code> </entry> |
| 611 | <entry> |
| 612 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0318r1.pdf"> |
| 613 | P0318R1 |
| 614 | </link> |
| 615 | </entry> |
| 616 | <entry align="center"> 9.1 </entry> |
| 617 | <entry /> |
| 618 | </row> |
| 619 | |
| 620 | <row> |
| 656ac8b7 |
621 | <entry> Simplified partial function application </entry> |
| 622 | <entry> |
| 623 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0356r5.html"> |
| 624 | P0356R5 |
| 625 | </link> |
| 626 | </entry> |
| f24442bd |
627 | <entry align="center"> 9.1 </entry> |
| 628 | <entry> <code>__cpp_lib_bind_front >= 201811L</code> </entry> |
| 656ac8b7 |
629 | </row> |
| 630 | |
| 631 | <row> |
| 632 | <entry> <code>reference_wrapper</code> for incomplete types </entry> |
| 633 | <entry> |
| 634 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0357r3.html"> |
| 635 | P0357R3 |
| 636 | </link> |
| 637 | </entry> |
| 638 | <entry align="center"> 9.1 </entry> |
| 639 | <entry /> |
| 640 | </row> |
| 641 | |
| 642 | <row> |
| 656ac8b7 |
643 | <entry> <code>char8_t</code>: A type for UTF-8 characters and strings </entry> |
| 644 | <entry> |
| 645 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0482r6.html"> |
| 646 | P0482R6 |
| 647 | </link> |
| 648 | </entry> |
| f24442bd |
649 | <entry align="center"> 9.1 </entry> |
| 650 | <entry> <code>__cpp_lib_char8_t >= 201811L</code> </entry> |
| 656ac8b7 |
651 | </row> |
| 652 | |
| 653 | <row> |
| 654 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 655 | <entry> Fixing <code>operator>>(basic_istream&, CharT*)</code> (LWG 2499) </entry> |
| 656 | <entry> |
| 657 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0487r1.html"> |
| 658 | P0487R1 |
| 659 | </link> |
| 660 | </entry> |
| 661 | <entry align="center"> </entry> |
| 662 | <entry /> |
| 663 | </row> |
| 664 | |
| 665 | <row> |
| 656ac8b7 |
666 | <entry> Utility functions to implement uses-allocator construction </entry> |
| 667 | <entry> |
| 668 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0591r4.pdf"> |
| 669 | P0591R4 |
| 670 | </link> |
| 671 | </entry> |
| f24442bd |
672 | <entry align="center"> 9.1 </entry> |
| f0a82465 |
673 | <entry> |
| 674 | <code>std::scoped_allocator_adaptor</code> changes missing in 9.1.0 |
| 675 | </entry> |
| 656ac8b7 |
676 | </row> |
| 677 | |
| 678 | <row> |
| 679 | <entry> P0595R2 <code>std::is_constant_evaluated()</code> </entry> |
| 680 | <entry> |
| 681 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0595r2.html"> |
| 682 | P0595R2 |
| 683 | </link> |
| 684 | </entry> |
| 685 | <entry align="center"> 9.1 </entry> |
| 686 | <entry /> |
| 687 | </row> |
| 688 | |
| 689 | <row> |
| 690 | <entry> <code>variant</code> and <code>optional</code> should propagate copy/move triviality </entry> |
| 691 | <entry> |
| 692 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0602r4.html"> |
| 693 | P0602R4 |
| 694 | </link> |
| 695 | </entry> |
| 696 | <entry align="center"> 8.3 </entry> |
| 697 | <entry /> |
| 698 | </row> |
| 699 | |
| 700 | <row> |
| 656ac8b7 |
701 | <entry> A sane <code>variant</code> converting constructor </entry> |
| 702 | <entry> |
| 703 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0608r3.html"> |
| 704 | P0608R3 |
| 705 | </link> |
| 706 | </entry> |
| f02e0f08 |
707 | <entry align="center"> 10.1 </entry> |
| 656ac8b7 |
708 | <entry /> |
| 709 | </row> |
| 710 | |
| 711 | <row> |
| 656ac8b7 |
712 | <entry> <code>visit<R></code>: Explicit Return Type for <code>visit</code> </entry> |
| 713 | <entry> |
| 714 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0655r1.pdf"> |
| 715 | P0655R1 |
| 716 | </link> |
| 717 | </entry> |
| bfbd20f7 |
718 | <entry align="center"> 9.1 </entry> |
| 656ac8b7 |
719 | <entry /> |
| 720 | </row> |
| 721 | |
| 722 | <row> |
| 723 | <entry> <code>std::function</code> move constructor should be <code>noexcept</code> </entry> |
| 724 | <entry> |
| 725 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0771r1.pdf"> |
| 726 | P0771R1 |
| 727 | </link> |
| 728 | </entry> |
| 729 | <entry align="center"> 7.2 </entry> |
| 730 | <entry /> |
| 731 | </row> |
| 732 | |
| 733 | <row> |
| 734 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 735 | <entry> The One Ranges Proposal </entry> |
| 736 | <entry> |
| 737 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0896r4.pdf"> |
| 738 | P0896R4 |
| 739 | </link> |
| 740 | </entry> |
| 741 | <entry align="center"> </entry> |
| 742 | <entry /> |
| 743 | </row> |
| 744 | |
| 745 | <row> |
| 746 | <entry> P0899R1 - LWG 3016 is not a defect </entry> |
| 747 | <entry> |
| 748 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0899r1.html"> |
| 749 | P0899R1 |
| 750 | </link> |
| 751 | </entry> |
| 752 | <entry align="center"> 7.1 </entry> |
| 753 | <entry /> |
| 754 | </row> |
| 755 | |
| 756 | <row> |
| 757 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 758 | <entry> Heterogeneous lookup for unordered containers </entry> |
| 759 | <entry> |
| 760 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0919r3.html"> |
| 761 | P0919R3 |
| 762 | </link> |
| 763 | </entry> |
| 764 | <entry align="center"> </entry> |
| 765 | <entry /> |
| 766 | </row> |
| 767 | |
| 768 | <row> |
| 769 | <entry> <code><chrono></code> <code>zero()</code>, <code>min()</code>, and <code>max()</code> should be <code>noexcept</code> </entry> |
| 770 | <entry> |
| 771 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0972r0.pdf"> |
| 772 | P0972R0 |
| 773 | </link> |
| 774 | </entry> |
| 775 | <entry align="center"> 9.1 </entry> |
| 776 | <entry /> |
| 777 | </row> |
| 778 | |
| 779 | <row> |
| 656ac8b7 |
780 | <entry> Constexpr in <code>std::pointer_traits</code> </entry> |
| 781 | <entry> |
| 782 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1006r1.pdf"> |
| 783 | P1006R1 |
| 784 | </link> |
| 785 | </entry> |
| f24442bd |
786 | <entry align="center"> 9.1 </entry> |
| 656ac8b7 |
787 | <entry /> |
| 788 | </row> |
| 789 | |
| 790 | <row> |
| 656ac8b7 |
791 | <entry> <code>std::assume_aligned</code> </entry> |
| 792 | <entry> |
| 793 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1007r3.pdf"> |
| 794 | P1007R3 |
| 795 | </link> |
| 796 | </entry> |
| f24442bd |
797 | <entry align="center"> 9.1 </entry> |
| 656ac8b7 |
798 | <entry /> |
| 799 | </row> |
| 800 | |
| 801 | <row> |
| 802 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 803 | <entry> Smart pointer creation with default initialization </entry> |
| 804 | <entry> |
| 805 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1020r1.html"> |
| 806 | P1020R1 |
| 807 | </link> |
| 808 | </entry> |
| 809 | <entry align="center"> </entry> |
| 810 | <entry /> |
| 811 | </row> |
| 812 | |
| 813 | <row> |
| 814 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 815 | <entry> Misc constexpr bits </entry> |
| 816 | <entry> |
| 817 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1032r1.html"> |
| 818 | P1032R1 |
| 819 | </link> |
| 820 | </entry> |
| 821 | <entry align="center"> </entry> |
| 822 | <entry /> |
| 823 | </row> |
| 824 | |
| 825 | <row> |
| 826 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 827 | <entry> Should Span be Regular? </entry> |
| 828 | <entry> |
| 829 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1085r2.md"> |
| 830 | P1085R2 |
| 831 | </link> |
| 832 | </entry> |
| 833 | <entry align="center"> </entry> |
| 834 | <entry /> |
| 835 | </row> |
| 836 | |
| 837 | <row> |
| 656ac8b7 |
838 | <entry> Editorial Guidance for merging P0019r8 and P0528r3 </entry> |
| 839 | <entry> |
| 840 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1123r0.html"> |
| 841 | P1123R0 |
| 842 | </link> |
| 843 | </entry> |
| 8793c0de |
844 | <entry align="center"> Note 1 </entry> |
| 656ac8b7 |
845 | <entry /> |
| 846 | </row> |
| 847 | |
| 848 | <row> |
| 849 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 850 | <entry> Cleaning up Clause 20 </entry> |
| 851 | <entry> |
| 852 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1148r0.pdf"> |
| 853 | P1148R0 |
| 854 | </link> |
| 855 | </entry> |
| 856 | <entry align="center"> </entry> |
| 857 | <entry /> |
| 858 | </row> |
| 859 | |
| 860 | <row> |
| 656ac8b7 |
861 | <entry> Make stateful allocator propagation more consistent for <code>operator+(basic_string)</code> </entry> |
| 862 | <entry> |
| 863 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1165r1.html"> |
| 864 | P1165R1 |
| 865 | </link> |
| 866 | </entry> |
| f02e0f08 |
867 | <entry align="center"> 10.1 </entry> |
| 656ac8b7 |
868 | <entry /> |
| 869 | </row> |
| 870 | |
| 871 | <row> |
| 872 | <entry> Adopt Consistent Container Erasure from Library Fundamentals 2 for C++20 </entry> |
| 873 | <entry> |
| 874 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1209r0.html"> |
| 875 | P1209R0 |
| 876 | </link> |
| 877 | </entry> |
| 878 | <entry align="center"> 9.1 </entry> |
| 879 | <entry> <code>__cpp_lib_erase_if >= 201811L</code> </entry> |
| 880 | </row> |
| 881 | |
| 882 | <row> |
| 883 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 884 | <entry> Completing the Rebase of Library Fundamentals, Version 3, Working Draft </entry> |
| 885 | <entry> |
| 886 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1210r0.html"> |
| 887 | P1210R0 |
| 888 | </link> |
| 889 | </entry> |
| 890 | <entry align="center"> </entry> |
| 891 | <entry /> |
| 892 | </row> |
| 893 | |
| 894 | <row> |
| 895 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 896 | <entry> Alternative Wording for P0907R4 Signed Integers are Two's Complement </entry> |
| 897 | <entry> |
| 898 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1236r1.html"> |
| 899 | P1236R1 |
| 900 | </link> |
| 901 | </entry> |
| 902 | <entry align="center"> </entry> |
| 903 | <entry /> |
| 904 | </row> |
| 905 | |
| 906 | <row> |
| 907 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 908 | <entry> Remove CommonReference requirement from StrictWeakOrdering (a.k.a Fixing Relations) </entry> |
| 909 | <entry> |
| 910 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1248r1.html"> |
| 911 | P1248R1 |
| 912 | </link> |
| 913 | </entry> |
| 914 | <entry align="center"> </entry> |
| 915 | <entry /> |
| 916 | </row> |
| 917 | |
| 918 | <row> |
| fbf62452 |
919 | <?dbhtml bgcolor="#B0B0B0" ?> |
| 656ac8b7 |
920 | <entry> Improving Completeness Requirements for Type Traits </entry> |
| 921 | <entry> |
| 922 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1285r0.pdf"> |
| 923 | P1285R0 |
| 924 | </link> |
| 925 | </entry> |
| fbf62452 |
926 | <entry align="center"> Partial </entry> |
| 656ac8b7 |
927 | <entry /> |
| 928 | </row> |
| 929 | |
| 8967657e |
930 | <row> |
| 931 | <entry> Well-behaved interpolation for numbers and pointers </entry> |
| 932 | <entry> |
| 933 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p0811r3.html"> |
| 934 | P0811R3 |
| 935 | </link> |
| 936 | </entry> |
| 937 | <entry align="center"> 9.1 </entry> |
| 2a9eab7c |
938 | <entry> <code>__cpp_lib_interpolate >= 201902L</code> </entry> |
| 8967657e |
939 | </row> |
| 940 | |
| 656ac8b7 |
941 | <row> |
| 656ac8b7 |
942 | <entry> Missing feature test macros </entry> |
| 943 | <entry> |
| 944 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1353r0.html"> |
| 945 | P1353R0 |
| 946 | </link> |
| 947 | </entry> |
| 2a9eab7c |
948 | <entry align="center"> 9.1 </entry> |
| 656ac8b7 |
949 | <entry /> |
| 950 | </row> |
| 5c70715f |
951 | |
| fbf62452 |
952 | <row> |
| 953 | <entry> |
| 954 | <classname>polymorphic_allocator<></classname> |
| 955 | as a vocabulary type |
| 956 | </entry> |
| 957 | <entry> |
| 958 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p0339r6.pdf"> |
| 959 | P0339R6 |
| 960 | </link> |
| 961 | </entry> |
| 962 | <entry align="center"> 9.1 </entry> |
| 963 | <entry /> |
| 964 | </row> |
| 965 | |
| 966 | <row> |
| fbf62452 |
967 | <entry> Making std::underlying_type SFINAE-friendly </entry> |
| 968 | <entry> |
| 969 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p0340r3.html"> |
| 970 | P0340R3 |
| 971 | </link> |
| 972 | </entry> |
| 973 | <entry align="center"> 9.1 </entry> |
| 974 | <entry /> |
| 975 | </row> |
| 976 | |
| 977 | <row> |
| 978 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 979 | <entry> |
| 980 | I Stream, You Stream, We All Stream for |
| 981 | <classname>istream_iterator</classname> |
| 982 | </entry> |
| 983 | <entry> |
| 984 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p0738r2.html"> |
| 985 | P0738R2 |
| 986 | </link> |
| 987 | </entry> |
| 988 | <entry align="center"> </entry> |
| 989 | <entry /> |
| 990 | </row> |
| 991 | |
| 992 | <row> |
| 993 | <entry> |
| 994 | Mandating the Standard Library: |
| 995 | Clause 16 - Language support library |
| 996 | </entry> |
| 997 | <entry> |
| 998 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1458r1.pdf"> |
| 999 | P1458R1 |
| 1000 | </link> |
| 1001 | </entry> |
| 1002 | <entry align="center"> </entry> |
| 1003 | <entry> Note 1 </entry> |
| 1004 | </row> |
| 1005 | |
| 1006 | <row> |
| 1007 | <entry> |
| 1008 | Mandating the Standard Library: |
| 1009 | Clause 18 - Diagnostics library |
| 1010 | </entry> |
| 1011 | <entry> |
| 1012 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1458r1.pdf"> |
| 1013 | P1459R1 |
| 1014 | </link> |
| 1015 | </entry> |
| 1016 | <entry align="center"> </entry> |
| 1017 | <entry> Note 1 </entry> |
| 1018 | </row> |
| 1019 | |
| 1020 | <row> |
| 1021 | <entry> |
| 1022 | Mandating the Standard Library: |
| 1023 | Clause 20 - Strings library |
| 1024 | </entry> |
| 1025 | <entry> |
| 1026 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1462r1.html"> |
| 1027 | P1462R1 |
| 1028 | </link> |
| 1029 | </entry> |
| 1030 | <entry align="center"> </entry> |
| 1031 | <entry> Note 1 </entry> |
| 1032 | </row> |
| 1033 | |
| 5c70715f |
1034 | <row> |
| 1035 | <entry> |
| 1036 | Mandating the Standard Library: |
| 1037 | Clause 21 - Containers library |
| 1038 | </entry> |
| 1039 | <entry> |
| 1040 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1463r1.pdf"> |
| 1041 | P1463R1 |
| 1042 | </link> |
| 1043 | </entry> |
| 1044 | <entry align="center"> 10 </entry> |
| 1045 | <entry/> |
| 1046 | </row> |
| 1047 | |
| fbf62452 |
1048 | <row> |
| 1049 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 1050 | <entry> |
| 1051 | Mandating the Standard Library: |
| 1052 | Clause 22 - Iterators library |
| 1053 | </entry> |
| 1054 | <entry> |
| 1055 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1464r1.pdf"> |
| 1056 | P1464R1 |
| 1057 | </link> |
| 1058 | </entry> |
| 1059 | <entry align="center"> </entry> |
| 1060 | <entry /> |
| 1061 | </row> |
| 1062 | |
| 1063 | <row> |
| 1064 | <entry> Make <code>create_directory()</code> Intuitive </entry> |
| 1065 | <entry> |
| 1066 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1164r1.pdf"> |
| 1067 | P1164R1 |
| 1068 | </link> |
| 1069 | </entry> |
| 1070 | <entry align="center"> 8.3 </entry> |
| 2b018df4 |
1071 | <entry> Treated as a DR for C++17 </entry> |
| fbf62452 |
1072 | </row> |
| 1073 | |
| 1074 | <row> |
| 1075 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 1076 | <entry> |
| 1077 | Target Vectorization Policies from Parallelism V2 TS to C++20 |
| 1078 | </entry> |
| 1079 | <entry> |
| 1080 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1001r2.html"> |
| 1081 | P1001R2 |
| 1082 | </link> |
| 1083 | </entry> |
| 1084 | <entry align="center"> </entry> |
| 1085 | <entry /> |
| 1086 | </row> |
| 1087 | |
| 1088 | <row> |
| fbf62452 |
1089 | <entry> Signed ssize() functions, unsigned size() functions </entry> |
| 1090 | <entry> |
| 1091 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1227r2.html"> |
| 1092 | P1227R2 |
| 1093 | </link> |
| 1094 | </entry> |
| f8552117 |
1095 | <entry align="center"> 10.1 </entry> |
| fbf62452 |
1096 | <entry /> |
| 1097 | </row> |
| 1098 | |
| 1099 | <row> |
| 1100 | <?dbhtml bgcolor="#C8B0B0" ?> |
| 1101 | <entry> Ranges Design Cleanup </entry> |
| 1102 | <entry> |
| 1103 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1252r2.pdf"> |
| 1104 | P1252R2 |
| 1105 | </link> |
| 1106 | </entry> |
| 1107 | <entry align="center"> </entry> |
| 1108 | <entry /> |
| 1109 | </row> |
| 1110 | |
| 1111 | <row> |
| fbf62452 |
1112 | <entry> |
| 1113 | Usability Enhancements for <classname>std::span</classname> |
| 1114 | </entry> |
| 1115 | <entry> |
| 1116 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1024r3.pdf"> |
| 1117 | P1024R3 |
| 1118 | </link> |
| 1119 | </entry> |
| 539fe734 |
1120 | <entry align="center"> 10.1 </entry> |
| 1121 | <entry> <code>__cpp_lib_span >= 201902L</code> </entry> |
| 2b018df4 |
1122 | </row> |
| 1123 | |
| fbf62452 |
1124 | <row> |
| 1125 | <entry> Traits for [Un]bounded Arrays </entry> |
| 1126 | <entry> |
| 1127 | <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1357r1.pdf"> |
| 1128 | P1357R1 |
| 1129 | </link> |
| 1130 | </entry> |
| 1131 | <entry align="center"> 9.1 </entry> |
| 1132 | <entry> <code>__cpp_lib_bounded_array_traits >= 201902L</code> </entry> |
| 1133 | </row> |
| 1134 | |
| 656ac8b7 |
1135 | </tbody> |
| 1136 | </tgroup> |
| 1137 | </table> |
| 1138 | |
| 1139 | <para> |
| 1140 | Note 1: The changes in the proposal either do not affect the code in libstdc++, |
| 1141 | or the changes are not required for conformance. |
| 1142 | </para> |
| 1143 | |
| 1144 | |
| 1145 | <section xml:id="iso.2020.specific" xreflabel="Implementation Specific"><info><title>Implementation Specific Behavior</title></info> |
| 1146 | |
| 1147 | <para>For behaviour which is also specified by previous standards, |
| 1148 | see <link linkend="iso.1998.specific">C++ 1998/2003 Implementation |
| 1149 | Specific Behavior</link>, <link linkend="iso.2011.specific">C++ |
| 1150 | 2011 Implementation Specific Behavior</link> and <link |
| 1151 | linkend="iso.2017.specific">C++ 2017 Implementation Specific |
| 1152 | Behavior</link>. |
| 1153 | This section only documents behaviour which is new in the 202a draft. |
| 1154 | </para> |
| 1155 | |
| 1156 | |
| 1157 | </section> |
| 1158 | |
| 1159 | </section> |
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