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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_66e9674e8206a335795995fa32a03c91.html">entt</a></li><li class="navelem"><a class="el" href="dir_c5715f7ee899854a669b87bbaa642de0.html">meta</a></li> </ul>
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<div class="title">ctx.hpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef ENTT_META_CTX_HPP</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define ENTT_META_CTX_HPP</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>  </div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>  </div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include "../core/attribute.h"</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include "../config/config.h"</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>  </div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  </div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="keyword">namespace </span><a class="code" href="namespaceentt.html">entt</a> {</div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  </div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  </div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">namespace </span>internal {</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  </div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">struct </span>meta_type_node;</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">struct </span>ENTT_API meta_context {</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="comment">// we could use the lines below but VS2017 returns with an ICE if combined with ENTT_API despite the code being valid C++</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="comment">// inline static meta_type_node *local = nullptr;</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="comment">// inline static meta_type_node **global = &local;</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  [[nodiscard]] <span class="keyword">static</span> meta_type_node * & local() ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">static</span> meta_type_node *chain = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordflow">return</span> chain;</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  }</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  [[nodiscard]] <span class="keyword">static</span> meta_type_node ** & global() ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">static</span> meta_type_node **chain = &local();</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">return</span> chain;</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  }</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> };</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  </div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> }</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div>
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<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="structentt_1_1meta__ctx.html"> 51</a></span> <span class="keyword">struct </span><a class="code" href="structentt_1_1meta__ctx.html">meta_ctx</a> {</div>
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<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="structentt_1_1meta__ctx.html#ac42cb95e72447d49b7e1400512426e21"> 56</a></span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="structentt_1_1meta__ctx.html#ac42cb95e72447d49b7e1400512426e21">bind</a>(<a class="code" href="structentt_1_1meta__ctx.html">meta_ctx</a> other) ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  internal::meta_context::global() = other.ctx;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  }</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  internal::meta_type_node **ctx{&internal::meta_context::local()};</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> };</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  </div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> }</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#endif</span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="astructentt_1_1meta__ctx_html_ac42cb95e72447d49b7e1400512426e21"><div class="ttname"><a href="structentt_1_1meta__ctx.html#ac42cb95e72447d49b7e1400512426e21">entt::meta_ctx::bind</a></div><div class="ttdeci">static void bind(meta_ctx other) noexcept</div><div class="ttdoc">Binds the meta system to a given context.</div><div class="ttdef"><b>Definition:</b> <a href="ctx_8hpp_source.html#l00056">ctx.hpp:56</a></div></div>
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<div class="ttc" id="anamespaceentt_html"><div class="ttname"><a href="namespaceentt.html">entt</a></div><div class="ttdoc">EnTT default namespace.</div><div class="ttdef"><b>Definition:</b> <a href="algorithm_8hpp_source.html#l00013">algorithm.hpp:13</a></div></div>
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<div class="ttc" id="astructentt_1_1meta__ctx_html"><div class="ttname"><a href="structentt_1_1meta__ctx.html">entt::meta_ctx</a></div><div class="ttdoc">Opaque container for a meta context.</div><div class="ttdef"><b>Definition:</b> <a href="ctx_8hpp_source.html#l00051">ctx.hpp:51</a></div></div>
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