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 <span id="projectnumber">1.0.0rc2</span>
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<div id="projectbrief">OpenPose: A Real-Time Multi-Person Key-Point Detection And Multi-Threading C++ Library</div>
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<div class="title">queue.hpp</div> </div>
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<a href="queue_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef OPENPOSE_THREAD_QUEUE_HPP</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor"></span><span class="preprocessor">#define OPENPOSE_THREAD_QUEUE_HPP </span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include <queue></span> <span class="comment">// std::queue</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include <<a class="code" href="common_8hpp.html">openpose/core/common.hpp</a>></span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <<a class="code" href="queue_base_8hpp.html">openpose/thread/queueBase.hpp</a>></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> <span class="keyword">namespace </span>op</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">template</span><<span class="keyword">typename</span> TDatums, <span class="keyword">typename</span> TQueue = std::queue<TDatums>></div>
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<div class="line"><a name="l00011"></a><span class="lineno"><a class="line" href="classop_1_1_queue.html"> 11</a></span>  <span class="keyword">class </span><a class="code" href="classop_1_1_queue.html">Queue</a> : <span class="keyword">public</span> <a class="code" href="classop_1_1_queue_base.html">QueueBase</a><TDatums, TQueue></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>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  <span class="keyword">explicit</span> <a class="code" href="classop_1_1_queue.html#ae2b845322940bfc89b6342137d8ac372">Queue</a>(<span class="keyword">const</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> maxSize);</div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <span class="keyword">virtual</span> <a class="code" href="classop_1_1_queue.html#a056600a7cf4503235ba4e172cee63a7f">~Queue</a>();</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  TDatums <a class="code" href="classop_1_1_queue.html#ab28fa9f713d05e55e5ba1510b34d57f0">front</a>() <span class="keyword">const</span>;</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>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keywordtype">bool</span> pop(TDatums& tDatums);</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>  DELETE_COPY(<a class="code" href="classop_1_1_queue.html">Queue</a>);</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  };</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> }</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</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> </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> <span class="comment">// Implementation</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <type_traits></span> <span class="comment">// std::is_same</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span>op</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">template</span><<span class="keyword">typename</span> TDatums, <span class="keyword">typename</span> TQueue></div>
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<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="classop_1_1_queue.html#ae2b845322940bfc89b6342137d8ac372"> 36</a></span>  <a class="code" href="classop_1_1_queue.html#ae2b845322940bfc89b6342137d8ac372">Queue<TDatums, TQueue>::Queue</a>(<span class="keyword">const</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> maxSize) :</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <a class="code" href="classop_1_1_queue_base.html">QueueBase</a><TDatums, TQueue>{maxSize}</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>  <span class="comment">// Check TDatums = underlying value type of TQueue</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> TQueue::value_type underlyingValueType;</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  static_assert(std::is_same<TDatums, underlyingValueType>::value,</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="stringliteral">"Error: The type of the queue must be the same as the type of the container"</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="l00044"></a><span class="lineno"> 44</span> </div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">template</span><<span class="keyword">typename</span> TDatums, <span class="keyword">typename</span> TQueue></div>
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<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classop_1_1_queue.html#a056600a7cf4503235ba4e172cee63a7f"> 46</a></span>  <a class="code" href="classop_1_1_queue.html#a056600a7cf4503235ba4e172cee63a7f">Queue<TDatums, TQueue>::~Queue</a>()</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  {</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  }</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">template</span><<span class="keyword">typename</span> TDatums, <span class="keyword">typename</span> TQueue></div>
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<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="classop_1_1_queue.html#ab28fa9f713d05e55e5ba1510b34d57f0"> 51</a></span>  TDatums <a class="code" href="classop_1_1_queue.html#ab28fa9f713d05e55e5ba1510b34d57f0">Queue<TDatums, TQueue>::front</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">try</span></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>  <span class="keyword">const</span> std::lock_guard<std::mutex> lock{this->mMutex};</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">return</span> this->mTQueue.front();</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>  <span class="keywordflow">catch</span> (<span class="keyword">const</span> std::exception& e)</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>  <a class="code" href="namespaceop.html#a5f092bd36c716a894cb035e1ead2aca3">error</a>(e.what(), __LINE__, __FUNCTION__, __FILE__);</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">return</span> TDatums{};</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>  <span class="keyword">template</span><<span class="keyword">typename</span> TDatums, <span class="keyword">typename</span> TQueue></div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordtype">bool</span> <a class="code" href="classop_1_1_queue.html">Queue<TDatums, TQueue>::pop</a>(TDatums& tDatums)</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="keywordflow">try</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  {</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">if</span> (this->mPopIsStopped || this->mTQueue.empty())</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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>  tDatums = {std::move(this->mTQueue.front())};</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  this->mTQueue.pop();</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  this->mConditionVariable.notify_one();</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</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>  <span class="keywordflow">catch</span> (<span class="keyword">const</span> std::exception& e)</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  {</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="namespaceop.html#a5f092bd36c716a894cb035e1ead2aca3">error</a>(e.what(), __LINE__, __FUNCTION__, __FILE__);</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</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="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="namespaceop.html#a53f346232d0743f3dd0f547de1fc508f">COMPILE_TEMPLATE_DATUM</a>(Queue);</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> }</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#endif // OPENPOSE_THREAD_QUEUE_HPP</span></div>
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<div class="ttc" id="classop_1_1_queue_base_html"><div class="ttname"><a href="classop_1_1_queue_base.html">op::QueueBase</a></div><div class="ttdef"><b>Definition:</b> queueBase.hpp:12</div></div>
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<div class="ttc" id="classop_1_1_queue_html_a056600a7cf4503235ba4e172cee63a7f"><div class="ttname"><a href="classop_1_1_queue.html#a056600a7cf4503235ba4e172cee63a7f">op::Queue::~Queue</a></div><div class="ttdeci">virtual ~Queue()</div><div class="ttdef"><b>Definition:</b> queue.hpp:46</div></div>
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<div class="ttc" id="common_8hpp_html"><div class="ttname"><a href="common_8hpp.html">common.hpp</a></div></div>
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<div class="ttc" id="namespaceop_html_a5f092bd36c716a894cb035e1ead2aca3"><div class="ttname"><a href="namespaceop.html#a5f092bd36c716a894cb035e1ead2aca3">op::error</a></div><div class="ttdeci">OP_API void error(const std::string &message, const int line=-1, const std::string &function="", const std::string &file="")</div></div>
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<div class="ttc" id="classop_1_1_queue_html_ab28fa9f713d05e55e5ba1510b34d57f0"><div class="ttname"><a href="classop_1_1_queue.html#ab28fa9f713d05e55e5ba1510b34d57f0">op::Queue::front</a></div><div class="ttdeci">TDatums front() const </div><div class="ttdef"><b>Definition:</b> queue.hpp:51</div></div>
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<div class="ttc" id="classop_1_1_queue_html_ae2b845322940bfc89b6342137d8ac372"><div class="ttname"><a href="classop_1_1_queue.html#ae2b845322940bfc89b6342137d8ac372">op::Queue::Queue</a></div><div class="ttdeci">Queue(const long long maxSize)</div><div class="ttdef"><b>Definition:</b> queue.hpp:36</div></div>
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<div class="ttc" id="namespaceop_html_a53f346232d0743f3dd0f547de1fc508f"><div class="ttname"><a href="namespaceop.html#a53f346232d0743f3dd0f547de1fc508f">op::COMPILE_TEMPLATE_DATUM</a></div><div class="ttdeci">COMPILE_TEMPLATE_DATUM(WPoseTriangulation)</div></div>
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<div class="ttc" id="classop_1_1_queue_html"><div class="ttname"><a href="classop_1_1_queue.html">op::Queue</a></div><div class="ttdef"><b>Definition:</b> queue.hpp:11</div></div>
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