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<div id="projectname">tgstation-server<span id="projectnumber"> 6.19.3</span>
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<div id="projectbrief">The /tg/station 13 server suite</div>
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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_34761767c1c3cd212f9d2f80ea0828a8.html">Tgstation.Server.Host</a></li><li class="navelem"><a class="el" href="dir_5ae0a4770cfe9bc511dad7df7deabb23.html">Extensions</a></li> </ul>
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<div class="headertitle"><div class="title">ExpressionExtensions.cs</div></div>
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<a href="_expression_extensions_8cs.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="keyword">using </span>System;</div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="keyword">using </span>System.Linq.Expressions;</div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span> </div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="keyword">using </span><a class="code hl_namespace" href="namespace_tgstation_1_1_server_1_1_host_1_1_authority_1_1_core.html">Tgstation.Server.Host.Authority.Core</a>;</div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span> </div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespace_tgstation_1_1_server_1_1_host_1_1_extensions.html">Tgstation.Server.Host.Extensions</a></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span>{</div>
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<div class="foldopen" id="foldopen00011" data-start="{" data-end="};">
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"><a class="line" href="class_tgstation_1_1_server_1_1_host_1_1_extensions_1_1_expression_extensions.html"> 11</a></span> <span class="keyword">static</span> <span class="keyword">class </span><a class="code hl_class" href="class_tgstation_1_1_server_1_1_host_1_1_extensions_1_1_expression_extensions.html">ExpressionExtensions</a></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> {</div>
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<div class="foldopen" id="foldopen00020" data-start="{" data-end="}">
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"><a class="line" href="class_tgstation_1_1_server_1_1_host_1_1_extensions_1_1_expression_extensions.html#af746d3cb789954ea673258ca4de0fe63"> 20</a></span> <span class="keyword">public</span> <span class="keyword">static</span> Expression<Func<TQueried, ProjectedPair<TQueried, TResult>>> <a class="code hl_function" href="class_tgstation_1_1_server_1_1_host_1_1_extensions_1_1_expression_extensions.html#af746d3cb789954ea673258ca4de0fe63">Projected<TQueried, TResult></a>(<span class="keyword">this</span> Expression<Func<TQueried, TResult>> translationExpression)</div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> {</div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> var parameter = Expression.Parameter(typeof(TQueried), <span class="stringliteral">"queried"</span>);</div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> var body = Expression.Invoke(translationExpression, parameter);</div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> var ourType = typeof(<a class="code hl_class" href="class_tgstation_1_1_server_1_1_host_1_1_authority_1_1_core_1_1_projected_pair.html">ProjectedPair<TQueried, TResult></a>);</div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> var expr = Expression.MemberInit(</div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> Expression.New(ourType),</div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> Expression.Bind(</div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> ourType.GetProperty(nameof(<a class="code hl_class" href="class_tgstation_1_1_server_1_1_host_1_1_authority_1_1_core_1_1_projected_pair.html">ProjectedPair<TQueried, TResult></a>.Queried))!,</div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> parameter),</div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> Expression.Bind(</div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> ourType.GetProperty(nameof(<a class="code hl_class" href="class_tgstation_1_1_server_1_1_host_1_1_authority_1_1_core_1_1_projected_pair.html">ProjectedPair<TQueried, TResult></a>.Result))!,</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> body));</div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keywordflow">return</span> Expression.Lambda<Func<TQueried, ProjectedPair<TQueried, TResult>>>(expr, parameter);</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> }</div>
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</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> }</div>
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</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span>}</div>
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<div class="ttc" id="aclass_tgstation_1_1_server_1_1_host_1_1_authority_1_1_core_1_1_projected_pair_html"><div class="ttname"><a href="class_tgstation_1_1_server_1_1_host_1_1_authority_1_1_core_1_1_projected_pair.html">Tgstation.Server.Host.Authority.Core.ProjectedPair</a></div><div class="ttdoc">DTO for moving database projected objects through the system.</div><div class="ttdef"><b>Definition</b> <a href="_projected_pair_02_t_queried_00_t_result_03_8cs_source.html#l00008">ProjectedPair{TQueried,TResult}.cs:9</a></div></div>
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<div class="ttc" id="aclass_tgstation_1_1_server_1_1_host_1_1_extensions_1_1_expression_extensions_html"><div class="ttname"><a href="class_tgstation_1_1_server_1_1_host_1_1_extensions_1_1_expression_extensions.html">Tgstation.Server.Host.Extensions.ExpressionExtensions</a></div><div class="ttdoc">Extension methods for Expression<TDelegate>s.</div><div class="ttdef"><b>Definition</b> <a href="_expression_extensions_8cs_source.html#l00011">ExpressionExtensions.cs:12</a></div></div>
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<div class="ttc" id="aclass_tgstation_1_1_server_1_1_host_1_1_extensions_1_1_expression_extensions_html_af746d3cb789954ea673258ca4de0fe63"><div class="ttname"><a href="class_tgstation_1_1_server_1_1_host_1_1_extensions_1_1_expression_extensions.html#af746d3cb789954ea673258ca4de0fe63">Tgstation.Server.Host.Extensions.ExpressionExtensions.Projected< TQueried, TResult ></a></div><div class="ttdeci">static Expression< Func< TQueried, ProjectedPair< TQueried, TResult > > > Projected< TQueried, TResult >(this Expression< Func< TQueried, TResult > > translationExpression)</div><div class="ttdoc">Create an Expression<TDelegate> to transform a given TQueried into a TResult and output them as a P...</div><div class="ttdef"><b>Definition</b> <a href="_expression_extensions_8cs_source.html#l00020">ExpressionExtensions.cs:20</a></div></div>
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<div class="ttc" id="anamespace_tgstation_1_1_server_1_1_host_1_1_authority_1_1_core_html"><div class="ttname"><a href="namespace_tgstation_1_1_server_1_1_host_1_1_authority_1_1_core.html">Tgstation.Server.Host.Authority.Core</a></div><div class="ttdef"><b>Definition</b> <a href="_authority_base_8cs_source.html#l00013">AuthorityBase.cs:14</a></div></div>
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<div class="ttc" id="anamespace_tgstation_1_1_server_1_1_host_1_1_extensions_html"><div class="ttname"><a href="namespace_tgstation_1_1_server_1_1_host_1_1_extensions.html">Tgstation.Server.Host.Extensions</a></div><div class="ttdef"><b>Definition</b> <a href="_application_builder_extensions_8cs_source.html#l00021">ApplicationBuilderExtensions.cs:22</a></div></div>
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