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 <span id="projectnumber">3.5.2</span>
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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_85dbee8884f1b3a817fa7eff8dff73ec.html">resource</a></li> </ul>
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<div class="title">handle.hpp</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"><a class="line" href="classentt_1_1resource__handle.html#a1cc23ee577fee7c2e019e4d2949d3cbe"> 1</a></span> <span class="preprocessor">#ifndef ENTT_RESOURCE_HANDLE_HPP</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define ENTT_RESOURCE_HANDLE_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 <memory></span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <utility></span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "../config/config.h"</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "fwd.hpp"</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  </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> <span class="keyword">namespace </span><a class="code" href="namespaceentt.html">entt</a> {</div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  </div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">template</span><<span class="keyword">typename</span> Resource></div>
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<div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="classentt_1_1resource__handle.html"> 27</a></span> <span class="keyword">class </span><a class="code" href="classentt_1_1resource__handle.html">resource_handle</a> {</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keyword">friend</span> <span class="keyword">struct </span><a class="code" href="structentt_1_1resource__cache.html">resource_cache</a><Resource>;</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <a class="code" href="classentt_1_1resource__handle.html#afd764f8c7466584b190af9a34e22f345">resource_handle</a>(std::shared_ptr<Resource> res) ENTT_NOEXCEPT</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  : resource{std::move(res)}</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>  </div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="classentt_1_1resource__handle.html#afd764f8c7466584b190af9a34e22f345"> 37</a></span>  <a class="code" href="classentt_1_1resource__handle.html#afd764f8c7466584b190af9a34e22f345">resource_handle</a>() ENTT_NOEXCEPT = default;</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="l00049"></a><span class="lineno"><a class="line" href="classentt_1_1resource__handle.html#a95545479a5096dcf0cbd8c1e9309845b"> 49</a></span>  [[nodiscard]] const Resource & <a class="code" href="classentt_1_1resource__handle.html#a95545479a5096dcf0cbd8c1e9309845b">get</a>() const ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  ENTT_ASSERT(<span class="keyword">static_cast<</span><span class="keywordtype">bool</span><span class="keyword">></span>(resource));</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">return</span> *resource;</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  }</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
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<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classentt_1_1resource__handle.html#a10586edd20edbbd3fc181126e8f796b5"> 55</a></span>  [[nodiscard]] Resource & <a class="code" href="classentt_1_1resource__handle.html#a10586edd20edbbd3fc181126e8f796b5">get</a>() ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">return</span> <span class="keyword">const_cast<</span>Resource &<span class="keyword">></span>(std::as_const(*this).get());</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</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="l00060"></a><span class="lineno"><a class="line" href="classentt_1_1resource__handle.html#ad2df712c7c737a29167287b44652bc06"> 60</a></span>  [[nodiscard]] <span class="keyword">operator</span> <span class="keyword">const</span> Resource & () <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1resource__handle.html#a95545479a5096dcf0cbd8c1e9309845b">get</a>();</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="l00065"></a><span class="lineno"><a class="line" href="classentt_1_1resource__handle.html#a98144224b4d553da3ca2e903c0536920"> 65</a></span>  [[nodiscard]] <span class="keyword">operator</span> Resource & () ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1resource__handle.html#a95545479a5096dcf0cbd8c1e9309845b">get</a>();</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>  </div>
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<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="classentt_1_1resource__handle.html#a21a17566dab60b999ecff36a76ac95eb"> 70</a></span>  [[nodiscard]] <span class="keyword">const</span> Resource & <a class="code" href="classentt_1_1resource__handle.html#a21a17566dab60b999ecff36a76ac95eb">operator *</a>() const ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1resource__handle.html#a95545479a5096dcf0cbd8c1e9309845b">get</a>();</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div>
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<div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classentt_1_1resource__handle.html#a0aa2bc87122eb654dd9f89215debd110"> 75</a></span>  [[nodiscard]] Resource & <a class="code" href="classentt_1_1resource__handle.html#a21a17566dab60b999ecff36a76ac95eb">operator *</a>() ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1resource__handle.html#a95545479a5096dcf0cbd8c1e9309845b">get</a>();</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
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<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="classentt_1_1resource__handle.html#a51d67fe2b7e7994c4d8e15beab21ea33"> 90</a></span>  [[nodiscard]] <span class="keyword">const</span> Resource * <a class="code" href="classentt_1_1resource__handle.html#a51d67fe2b7e7994c4d8e15beab21ea33">operator-></a>() const ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  ENTT_ASSERT(<span class="keyword">static_cast<</span><span class="keywordtype">bool</span><span class="keyword">></span>(resource));</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> resource.get();</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div>
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<div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="classentt_1_1resource__handle.html#a0a8534c9fef4de0e245b0de616b8ce1d"> 96</a></span>  [[nodiscard]] Resource * <a class="code" href="classentt_1_1resource__handle.html#a0a8534c9fef4de0e245b0de616b8ce1d">operator-></a>() ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">return</span> <span class="keyword">const_cast<</span>Resource *<span class="keyword">></span>(std::as_const(*this).operator->());</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  </div>
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<div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="classentt_1_1resource__handle.html#a930d352c24582c182abdce56f5238a63"> 104</a></span>  [[nodiscard]] <span class="keyword">explicit</span> <span class="keyword">operator</span> bool() const ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">bool</span><span class="keyword">></span>(resource);</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  std::shared_ptr<Resource> resource;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> };</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  </div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> }</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  </div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  </div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor">#endif</span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="aclassentt_1_1resource__handle_html_afd764f8c7466584b190af9a34e22f345"><div class="ttname"><a href="classentt_1_1resource__handle.html#afd764f8c7466584b190af9a34e22f345">entt::resource_handle::resource_handle</a></div><div class="ttdeci">resource_handle() noexcept=default</div><div class="ttdoc">Default constructor.</div></div>
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<div class="ttc" id="astructentt_1_1resource__cache_html"><div class="ttname"><a href="structentt_1_1resource__cache.html">entt::resource_cache</a></div><div class="ttdoc">Simple cache for resources of a given type.</div><div class="ttdef"><b>Definition:</b> <a href="cache_8hpp_source.html#l00030">cache.hpp:30</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="aclassentt_1_1resource__handle_html_a95545479a5096dcf0cbd8c1e9309845b"><div class="ttname"><a href="classentt_1_1resource__handle.html#a95545479a5096dcf0cbd8c1e9309845b">entt::resource_handle::get</a></div><div class="ttdeci">const Resource & get() const noexcept</div><div class="ttdoc">Gets a reference to the managed resource.</div><div class="ttdef"><b>Definition:</b> <a href="resource_2handle_8hpp_source.html#l00049">handle.hpp:49</a></div></div>
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<div class="ttc" id="aclassentt_1_1resource__handle_html_a0a8534c9fef4de0e245b0de616b8ce1d"><div class="ttname"><a href="classentt_1_1resource__handle.html#a0a8534c9fef4de0e245b0de616b8ce1d">entt::resource_handle::operator-></a></div><div class="ttdeci">Resource * operator->() noexcept</div><div class="ttdoc">Gets a pointer to the managed resource.</div><div class="ttdef"><b>Definition:</b> <a href="resource_2handle_8hpp_source.html#l00096">handle.hpp:96</a></div></div>
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<div class="ttc" id="aclassentt_1_1resource__handle_html_a10586edd20edbbd3fc181126e8f796b5"><div class="ttname"><a href="classentt_1_1resource__handle.html#a10586edd20edbbd3fc181126e8f796b5">entt::resource_handle::get</a></div><div class="ttdeci">Resource & get() noexcept</div><div class="ttdoc">Gets a reference to the managed resource.</div><div class="ttdef"><b>Definition:</b> <a href="resource_2handle_8hpp_source.html#l00055">handle.hpp:55</a></div></div>
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<div class="ttc" id="aclassentt_1_1resource__handle_html_a21a17566dab60b999ecff36a76ac95eb"><div class="ttname"><a href="classentt_1_1resource__handle.html#a21a17566dab60b999ecff36a76ac95eb">entt::resource_handle::operator*</a></div><div class="ttdeci">const Resource & operator*() const noexcept</div><div class="ttdoc">Gets a reference to the managed resource.</div><div class="ttdef"><b>Definition:</b> <a href="resource_2handle_8hpp_source.html#l00070">handle.hpp:70</a></div></div>
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<div class="ttc" id="aclassentt_1_1resource__handle_html_a51d67fe2b7e7994c4d8e15beab21ea33"><div class="ttname"><a href="classentt_1_1resource__handle.html#a51d67fe2b7e7994c4d8e15beab21ea33">entt::resource_handle::operator-></a></div><div class="ttdeci">const Resource * operator->() const noexcept</div><div class="ttdoc">Gets a pointer to the managed resource.</div><div class="ttdef"><b>Definition:</b> <a href="resource_2handle_8hpp_source.html#l00090">handle.hpp:90</a></div></div>
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<div class="ttc" id="aclassentt_1_1resource__handle_html"><div class="ttname"><a href="classentt_1_1resource__handle.html">entt::resource_handle</a></div><div class="ttdoc">Shared resource handle.</div><div class="ttdef"><b>Definition:</b> <a href="resource_2handle_8hpp_source.html#l00027">handle.hpp:27</a></div></div>
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