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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_b64489a1e8130d5ebf6d86d282f500f0.html">locator</a></li> </ul>
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<div class="title">locator.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"> 1</span> <span class="preprocessor">#ifndef ENTT_LOCATOR_LOCATOR_HPP</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define ENTT_LOCATOR_LOCATOR_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>  </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> <span class="keyword">namespace </span><a class="code" href="namespaceentt.html">entt</a> {</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="l00012"></a><span class="lineno"> 12</span>  </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">template</span><<span class="keyword">typename</span> Service></div>
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<div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="structentt_1_1service__locator.html"> 25</a></span> <span class="keyword">struct </span><a class="code" href="structentt_1_1service__locator.html">service_locator</a> {</div>
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<div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="structentt_1_1service__locator.html#af34a883e56f32a98d7b8a5db87bdf504"> 27</a></span>  <span class="keyword">using</span> <a class="code" href="structentt_1_1service__locator.html#af34a883e56f32a98d7b8a5db87bdf504">service_type</a> = Service;</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="l00030"></a><span class="lineno"><a class="line" href="structentt_1_1service__locator.html#a120cdb3eb1d820e5649f3d8bac8098d0"> 30</a></span>  <a class="code" href="structentt_1_1service__locator.html#a120cdb3eb1d820e5649f3d8bac8098d0">service_locator</a>() = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="structentt_1_1service__locator.html#a2cbb6cfc1614067ae92f1c60580236a8"> 32</a></span>  <a class="code" href="structentt_1_1service__locator.html#a2cbb6cfc1614067ae92f1c60580236a8">~service_locator</a>() = <span class="keyword">delete</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="l00038"></a><span class="lineno"><a class="line" href="structentt_1_1service__locator.html#ad96474e6acfb0edd0e123c584f79296b"> 38</a></span>  [[nodiscard]] <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="structentt_1_1service__locator.html#ad96474e6acfb0edd0e123c584f79296b">empty</a>() ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">return</span> !<span class="keyword">static_cast<</span><span class="keywordtype">bool</span><span class="keyword">></span>(service);</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="l00052"></a><span class="lineno"><a class="line" href="structentt_1_1service__locator.html#a88134390e70265359dda08f5aba2877f"> 52</a></span>  [[nodiscard]] <span class="keyword">static</span> std::weak_ptr<Service> <a class="code" href="structentt_1_1service__locator.html#a88134390e70265359dda08f5aba2877f">get</a>() ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">return</span> service;</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  }</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
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<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="structentt_1_1service__locator.html#a5379f8d798c2de5b1c41756ba3959e06"> 70</a></span>  [[nodiscard]] <span class="keyword">static</span> Service & <a class="code" href="structentt_1_1service__locator.html#a5379f8d798c2de5b1c41756ba3959e06">ref</a>() ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">return</span> *service;</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="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Impl = Service, <span class="keyword">typename</span>... Args></div>
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<div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="structentt_1_1service__locator.html#a116dc62f5d2a1c65db9d7528c957e91f"> 81</a></span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="structentt_1_1service__locator.html#a116dc62f5d2a1c65db9d7528c957e91f">set</a>(Args &&... args) {</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  service = std::make_shared<Impl>(std::forward<Args>(args)...);</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  }</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  </div>
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<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="structentt_1_1service__locator.html#a86770e79d01ab5fb0dddffba0bf9a697"> 89</a></span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="structentt_1_1service__locator.html#a86770e79d01ab5fb0dddffba0bf9a697">set</a>(std::shared_ptr<Service> ptr) {</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  ENTT_ASSERT(<span class="keyword">static_cast<</span><span class="keywordtype">bool</span><span class="keyword">></span>(ptr), <span class="stringliteral">"Null service not allowed"</span>);</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  service = std::move(ptr);</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</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="l00099"></a><span class="lineno"><a class="line" href="structentt_1_1service__locator.html#a4d655acab54d87058ad41a266830d0e8"> 99</a></span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="structentt_1_1service__locator.html#a4d655acab54d87058ad41a266830d0e8">reset</a>() {</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  service.reset();</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  </div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">inline</span> <span class="keyword">static</span> std::shared_ptr<Service> service = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> };</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> }</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </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> <span class="preprocessor">#endif</span></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_1service__locator_html"><div class="ttname"><a href="structentt_1_1service__locator.html">entt::service_locator</a></div><div class="ttdoc">Service locator, nothing more.</div><div class="ttdef"><b>Definition:</b> <a href="locator_8hpp_source.html#l00025">locator.hpp:25</a></div></div>
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<div class="ttc" id="astructentt_1_1service__locator_html_a116dc62f5d2a1c65db9d7528c957e91f"><div class="ttname"><a href="structentt_1_1service__locator.html#a116dc62f5d2a1c65db9d7528c957e91f">entt::service_locator::set</a></div><div class="ttdeci">static void set(Args &&... args)</div><div class="ttdoc">Sets or replaces a service.</div><div class="ttdef"><b>Definition:</b> <a href="locator_8hpp_source.html#l00081">locator.hpp:81</a></div></div>
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<div class="ttc" id="astructentt_1_1service__locator_html_a120cdb3eb1d820e5649f3d8bac8098d0"><div class="ttname"><a href="structentt_1_1service__locator.html#a120cdb3eb1d820e5649f3d8bac8098d0">entt::service_locator::service_locator</a></div><div class="ttdeci">service_locator()=delete</div><div class="ttdoc">Default constructor, deleted on purpose.</div></div>
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<div class="ttc" id="astructentt_1_1service__locator_html_a2cbb6cfc1614067ae92f1c60580236a8"><div class="ttname"><a href="structentt_1_1service__locator.html#a2cbb6cfc1614067ae92f1c60580236a8">entt::service_locator::~service_locator</a></div><div class="ttdeci">~service_locator()=delete</div><div class="ttdoc">Default destructor, deleted on purpose.</div></div>
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<div class="ttc" id="astructentt_1_1service__locator_html_a4d655acab54d87058ad41a266830d0e8"><div class="ttname"><a href="structentt_1_1service__locator.html#a4d655acab54d87058ad41a266830d0e8">entt::service_locator::reset</a></div><div class="ttdeci">static void reset()</div><div class="ttdoc">Resets a service.</div><div class="ttdef"><b>Definition:</b> <a href="locator_8hpp_source.html#l00099">locator.hpp:99</a></div></div>
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<div class="ttc" id="astructentt_1_1service__locator_html_a5379f8d798c2de5b1c41756ba3959e06"><div class="ttname"><a href="structentt_1_1service__locator.html#a5379f8d798c2de5b1c41756ba3959e06">entt::service_locator::ref</a></div><div class="ttdeci">static Service & ref()</div><div class="ttdoc">Returns a weak reference to a service implementation, if any.</div><div class="ttdef"><b>Definition:</b> <a href="locator_8hpp_source.html#l00070">locator.hpp:70</a></div></div>
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<div class="ttc" id="astructentt_1_1service__locator_html_a86770e79d01ab5fb0dddffba0bf9a697"><div class="ttname"><a href="structentt_1_1service__locator.html#a86770e79d01ab5fb0dddffba0bf9a697">entt::service_locator::set</a></div><div class="ttdeci">static void set(std::shared_ptr< Service > ptr)</div><div class="ttdoc">Sets or replaces a service.</div><div class="ttdef"><b>Definition:</b> <a href="locator_8hpp_source.html#l00089">locator.hpp:89</a></div></div>
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<div class="ttc" id="astructentt_1_1service__locator_html_a88134390e70265359dda08f5aba2877f"><div class="ttname"><a href="structentt_1_1service__locator.html#a88134390e70265359dda08f5aba2877f">entt::service_locator::get</a></div><div class="ttdeci">static std::weak_ptr< Service > get()</div><div class="ttdoc">Returns a weak pointer to a service implementation, if any.</div><div class="ttdef"><b>Definition:</b> <a href="locator_8hpp_source.html#l00052">locator.hpp:52</a></div></div>
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<div class="ttc" id="astructentt_1_1service__locator_html_ad96474e6acfb0edd0e123c584f79296b"><div class="ttname"><a href="structentt_1_1service__locator.html#ad96474e6acfb0edd0e123c584f79296b">entt::service_locator::empty</a></div><div class="ttdeci">static bool empty()</div><div class="ttdoc">Tests if a valid service implementation is set.</div><div class="ttdef"><b>Definition:</b> <a href="locator_8hpp_source.html#l00038">locator.hpp:38</a></div></div>
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<div class="ttc" id="astructentt_1_1service__locator_html_af34a883e56f32a98d7b8a5db87bdf504"><div class="ttname"><a href="structentt_1_1service__locator.html#af34a883e56f32a98d7b8a5db87bdf504">entt::service_locator::service_type</a></div><div class="ttdeci">Service service_type</div><div class="ttdoc">Type of service offered.</div><div class="ttdef"><b>Definition:</b> <a href="locator_8hpp_source.html#l00027">locator.hpp:27</a></div></div>
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