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   4 <title>BOOST_LANG language standards macros</title>
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  17 <div class="titlepage"><div><div><h3 class="title">
  18 <a name="predef.reference.boost_lang_language_standards_ma"></a><a class="link" href="boost_lang_language_standards_ma.html" title="BOOST_LANG language standards macros"><code class="computeroutput"><span class="identifier">BOOST_LANG</span></code> language standards macros</a>
  19 </h3></div></div></div>
  20 <h5>
  21 <a name="predef.reference.boost_lang_language_standards_ma.h0"></a>
  22         <span class="phrase"><a name="predef.reference.boost_lang_language_standards_ma.boost_lang_objc"></a></span><a class="link" href="boost_lang_language_standards_ma.html#predef.reference.boost_lang_language_standards_ma.boost_lang_objc"><code class="computeroutput"><span class="identifier">BOOST_LANG_OBJC</span></code></a>
  23       </h5>
  24 <p>
  25         <a href="http://en.wikipedia.org/wiki/Objective-C" target="_top">Objective-C</a>
  26         language.
  27       </p>
  28 <div class="informaltable"><table class="table">
  29 <colgroup>
  30 <col>
  31 <col>
  32 </colgroup>
  33 <thead><tr>
  34 <th>
  35                 <p>
  36                   Symbol
  37                 </p>
  38               </th>
  39 <th>
  40                 <p>
  41                   Version
  42                 </p>
  43               </th>
  44 </tr></thead>
  45 <tbody><tr>
  46 <td>
  47                 <p>
  48                   <code class="computeroutput"><span class="identifier">__OBJC__</span></code>
  49                 </p>
  50               </td>
  51 <td>
  52                 <p>
  53                   <span class="bold"><strong>detection</strong></span>
  54                 </p>
  55               </td>
  56 </tr></tbody>
  57 </table></div>
  58 <h5>
  59 <a name="predef.reference.boost_lang_language_standards_ma.h1"></a>
  60         <span class="phrase"><a name="predef.reference.boost_lang_language_standards_ma.boost_lang_stdc"></a></span><a class="link" href="boost_lang_language_standards_ma.html#predef.reference.boost_lang_language_standards_ma.boost_lang_stdc"><code class="computeroutput"><span class="identifier">BOOST_LANG_STDC</span></code></a>
  61       </h5>
  62 <p>
  63         <a href="http://en.wikipedia.org/wiki/C_(programming_language)" target="_top">Standard
  64         C</a> language. If available, the year of the standard is detected as
  65         YYYY.MM.1 from the Epoc date.
  66       </p>
  67 <div class="informaltable"><table class="table">
  68 <colgroup>
  69 <col>
  70 <col>
  71 </colgroup>
  72 <thead><tr>
  73 <th>
  74                 <p>
  75                   Symbol
  76                 </p>
  77               </th>
  78 <th>
  79                 <p>
  80                   Version
  81                 </p>
  82               </th>
  83 </tr></thead>
  84 <tbody>
  85 <tr>
  86 <td>
  87                 <p>
  88                   <code class="computeroutput"><span class="identifier">__STDC__</span></code>
  89                 </p>
  90               </td>
  91 <td>
  92                 <p>
  93                   <span class="bold"><strong>detection</strong></span>
  94                 </p>
  95               </td>
  96 </tr>
  97 <tr>
  98 <td>
  99                 <p>
 100                   <code class="computeroutput"><span class="identifier">__STDC_VERSION__</span></code>
 101                 </p>
 102               </td>
 103 <td>
 104                 <p>
 105                   V.R.P
 106                 </p>
 107               </td>
 108 </tr>
 109 </tbody>
 110 </table></div>
 111 <h5>
 112 <a name="predef.reference.boost_lang_language_standards_ma.h2"></a>
 113         <span class="phrase"><a name="predef.reference.boost_lang_language_standards_ma.boost_lang_stdcpp"></a></span><a class="link" href="boost_lang_language_standards_ma.html#predef.reference.boost_lang_language_standards_ma.boost_lang_stdcpp"><code class="computeroutput"><span class="identifier">BOOST_LANG_STDCPP</span></code></a>
 114       </h5>
 115 <p>
 116         <a href="http://en.wikipedia.org/wiki/C%2B%2B" target="_top">Standard C++</a> language.
 117         If available, the year of the standard is detected as YYYY.MM.1 from the
 118         Epoc date. Because of the way the C++ standardization process works the defined
 119         version year will not be the commonly known year of the standard. Specifically
 120         the defined versions are:
 121       </p>
 122 <div class="table">
 123 <a name="predef.reference.boost_lang_language_standards_ma.detected_version_number_vs_c_sta"></a><p class="title"><b>Table&#160;1.&#160;Detected Version Number vs. C++ Standard Year</b></p>
 124 <div class="table-contents"><table class="table" summary="Detected Version Number vs. C++ Standard Year">
 125 <colgroup>
 126 <col>
 127 <col>
 128 <col>
 129 </colgroup>
 130 <thead><tr>
 131 <th>
 132                 <p>
 133                   Detected Version Number
 134                 </p>
 135               </th>
 136 <th>
 137                 <p>
 138                   Standard Year
 139                 </p>
 140               </th>
 141 <th>
 142                 <p>
 143                   C++ Standard
 144                 </p>
 145               </th>
 146 </tr></thead>
 147 <tbody>
 148 <tr>
 149 <td>
 150                 <p>
 151                   27.11.1
 152                 </p>
 153               </td>
 154 <td>
 155                 <p>
 156                   1998
 157                 </p>
 158               </td>
 159 <td>
 160                 <p>
 161                   ISO/IEC 14882:1998
 162                 </p>
 163               </td>
 164 </tr>
 165 <tr>
 166 <td>
 167                 <p>
 168                   41.12.1
 169                 </p>
 170               </td>
 171 <td>
 172                 <p>
 173                   2011
 174                 </p>
 175               </td>
 176 <td>
 177                 <p>
 178                   ISO/IEC 14882:2011
 179                 </p>
 180               </td>
 181 </tr>
 182 </tbody>
 183 </table></div>
 184 </div>
 185 <br class="table-break"><div class="informaltable"><table class="table">
 186 <colgroup>
 187 <col>
 188 <col>
 189 </colgroup>
 190 <thead><tr>
 191 <th>
 192                 <p>
 193                   Symbol
 194                 </p>
 195               </th>
 196 <th>
 197                 <p>
 198                   Version
 199                 </p>
 200               </th>
 201 </tr></thead>
 202 <tbody>
 203 <tr>
 204 <td>
 205                 <p>
 206                   <code class="computeroutput"><span class="identifier">__cplusplus</span></code>
 207                 </p>
 208               </td>
 209 <td>
 210                 <p>
 211                   <span class="bold"><strong>detection</strong></span>
 212                 </p>
 213               </td>
 214 </tr>
 215 <tr>
 216 <td>
 217                 <p>
 218                   <code class="computeroutput"><span class="identifier">__cplusplus</span></code>
 219                 </p>
 220               </td>
 221 <td>
 222                 <p>
 223                   YYYY.MM.1
 224                 </p>
 225               </td>
 226 </tr>
 227 </tbody>
 228 </table></div>
 229 <h5>
 230 <a name="predef.reference.boost_lang_language_standards_ma.h3"></a>
 231         <span class="phrase"><a name="predef.reference.boost_lang_language_standards_ma.boost_lang_stdcppcli"></a></span><a class="link" href="boost_lang_language_standards_ma.html#predef.reference.boost_lang_language_standards_ma.boost_lang_stdcppcli"><code class="computeroutput"><span class="identifier">BOOST_LANG_STDCPPCLI</span></code></a>
 232       </h5>
 233 <p>
 234         <a href="http://en.wikipedia.org/wiki/C%2B%2B/CLI" target="_top">Standard C++/CLI</a>
 235         language. If available, the year of the standard is detected as YYYY.MM.1
 236         from the Epoc date.
 237       </p>
 238 <div class="informaltable"><table class="table">
 239 <colgroup>
 240 <col>
 241 <col>
 242 </colgroup>
 243 <thead><tr>
 244 <th>
 245                 <p>
 246                   Symbol
 247                 </p>
 248               </th>
 249 <th>
 250                 <p>
 251                   Version
 252                 </p>
 253               </th>
 254 </tr></thead>
 255 <tbody>
 256 <tr>
 257 <td>
 258                 <p>
 259                   <code class="computeroutput"><span class="identifier">__cplusplus_cli</span></code>
 260                 </p>
 261               </td>
 262 <td>
 263                 <p>
 264                   <span class="bold"><strong>detection</strong></span>
 265                 </p>
 266               </td>
 267 </tr>
 268 <tr>
 269 <td>
 270                 <p>
 271                   <code class="computeroutput"><span class="identifier">__cplusplus_cli</span></code>
 272                 </p>
 273               </td>
 274 <td>
 275                 <p>
 276                   YYYY.MM.1
 277                 </p>
 278               </td>
 279 </tr>
 280 </tbody>
 281 </table></div>
 282 <h5>
 283 <a name="predef.reference.boost_lang_language_standards_ma.h4"></a>
 284         <span class="phrase"><a name="predef.reference.boost_lang_language_standards_ma.boost_lang_stdecpp"></a></span><a class="link" href="boost_lang_language_standards_ma.html#predef.reference.boost_lang_language_standards_ma.boost_lang_stdecpp"><code class="computeroutput"><span class="identifier">BOOST_LANG_STDECPP</span></code></a>
 285       </h5>
 286 <p>
 287         <a href="http://en.wikipedia.org/wiki/Embedded_C%2B%2B" target="_top">Standard Embedded
 288         C++</a> language.
 289       </p>
 290 <div class="informaltable"><table class="table">
 291 <colgroup>
 292 <col>
 293 <col>
 294 </colgroup>
 295 <thead><tr>
 296 <th>
 297                 <p>
 298                   Symbol
 299                 </p>
 300               </th>
 301 <th>
 302                 <p>
 303                   Version
 304                 </p>
 305               </th>
 306 </tr></thead>
 307 <tbody><tr>
 308 <td>
 309                 <p>
 310                   <code class="computeroutput"><span class="identifier">__embedded_cplusplus</span></code>
 311                 </p>
 312               </td>
 313 <td>
 314                 <p>
 315                   <span class="bold"><strong>detection</strong></span>
 316                 </p>
 317               </td>
 318 </tr></tbody>
 319 </table></div>
 320 </div>
 321 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
 322 <td align="left"></td>
 323 <td align="right"><div class="copyright-footer">Copyright &#169; 2005, 2008-2014 Rene Rivera<p>
 324         Distributed under the Boost Software License, Version 1.0. (See accompanying
 325         file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
 326       </p>
 327 </div></td>
 328 </tr></table>
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