Documentation/_optional_8hpp_source.xhtml

   1 <!-- Copyright (c) 2020 ARM Limited. -->
   2 <!--                                 -->
   3 <!-- SPDX-License-Identifier: MIT    -->
   4 <!--                                 -->
   5 <!-- HTML header for doxygen 1.8.13-->
   6 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
   7 <html xmlns="http://www.w3.org/1999/xhtml">
   8 <head>
   9 <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
  10 <meta http-equiv="X-UA-Compatible" content="IE=9"/>
  11 <meta name="generator" content="Doxygen 1.8.13"/>
  12 <meta name="robots" content="NOINDEX, NOFOLLOW" />
  13 <meta name="viewport" content="width=device-width, initial-scale=1"/>
  14 <title>ArmNN: include/armnn/Optional.hpp Source File</title>
  15 <link href="tabs.css" rel="stylesheet" type="text/css"/>
  16 <script type="text/javascript" src="jquery.js"></script>
  17 <script type="text/javascript" src="dynsections.js"></script>
  18 <link href="navtree.css" rel="stylesheet" type="text/css"/>
  19 <script type="text/javascript" src="resize.js"></script>
  20 <script type="text/javascript" src="navtreedata.js"></script>
  21 <script type="text/javascript" src="navtree.js"></script>
  22 <script type="text/javascript">
  23   $(document).ready(initResizable);
  24 </script>
  25 <link href="search/search.css" rel="stylesheet" type="text/css"/>
  26 <script type="text/javascript" src="search/searchdata.js"></script>
  27 <script type="text/javascript" src="search/search.js"></script>
  28 <script type="text/x-mathjax-config">
  29   MathJax.Hub.Config({
  30     extensions: ["tex2jax.js"],
  31     jax: ["input/TeX","output/HTML-CSS"],
  32 });
  33 </script><script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js"></script>
  34 <link href="doxygen.css" rel="stylesheet" type="text/css" />
  35 <link href="stylesheet.css" rel="stylesheet" type="text/css"/>
  36 </head>
  37 <body>
  38 <div id="top"><!-- do not remove this div, it is closed by doxygen! -->
  39 <div id="titlearea">
  40 <table cellspacing="0" cellpadding="0">
  41  <tbody>
  42  <tr style="height: 56px;">
  43   <img alt="ArmNN" src="Arm_NN_horizontal_blue.png" style="max-width: 10rem; margin-top: .5rem; margin-left 10px"/>
  44   <td style="padding-left: 0.5em;">
  45    <div id="projectname">
  46    &#160;<span id="projectnumber">20.02</span>
  47    </div>
  48   </td>
  49  </tr>
  50  </tbody>
  51 </table>
  52 </div>
  53 <!-- end header part -->
  54 <!-- Generated by Doxygen 1.8.13 -->
  55 <script type="text/javascript">
  56 var searchBox = new SearchBox("searchBox", "search",false,'Search');
  57 </script>
  58 <script type="text/javascript" src="menudata.js"></script>
  59 <script type="text/javascript" src="menu.js"></script>
  60 <script type="text/javascript">
  61 $(function() {
  62   initMenu('',true,false,'search.php','Search');
  63   $(document).ready(function() { init_search(); });
  64 });
  65 </script>
  66 <div id="main-nav"></div>
  67 </div><!-- top -->
  68 <div id="side-nav" class="ui-resizable side-nav-resizable">
  69   <div id="nav-tree">
  70     <div id="nav-tree-contents">
  71       <div id="nav-sync" class="sync"></div>
  72     </div>
  73   </div>
  74   <div id="splitbar" style="-moz-user-select:none;"
  75        class="ui-resizable-handle">
  76   </div>
  77 </div>
  78 <script type="text/javascript">
  79 $(document).ready(function(){initNavTree('_optional_8hpp_source.xhtml','');});
  80 </script>
  81 <div id="doc-content">
  82 <!-- window showing the filter options -->
  83 <div id="MSearchSelectWindow"
  84      onmouseover="return searchBox.OnSearchSelectShow()"
  85      onmouseout="return searchBox.OnSearchSelectHide()"
  86      onkeydown="return searchBox.OnSearchSelectKey(event)">
  87 </div>
  88
  89 <!-- iframe showing the search results (closed by default) -->
  90 <div id="MSearchResultsWindow">
  91 <iframe src="javascript:void(0)" frameborder="0"
  92         name="MSearchResults" id="MSearchResults">
  93 </iframe>
  94 </div>
  95
  96 <div class="header">
  97   <div class="headertitle">
  98 <div class="title">Optional.hpp</div>  </div>
  99 </div><!--header-->
 100 <div class="contents">
 101 <a href="_optional_8hpp.xhtml">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// Copyright © 2017 Arm Ltd. All rights reserved.</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">// SPDX-License-Identifier: MIT</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;</div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_exceptions_8hpp.xhtml">Exceptions.hpp</a>&quot;</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;</div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#include &lt;cstring&gt;</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &lt;type_traits&gt;</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">/// Optional is a drop in replacement for std::optional until we migrate</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">/// to c++-17. Only a subset of the optional features are implemented that</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">/// we intend to use in ArmNN.</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"></span><span class="comment"></span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">/// There are two distinct implementations here:</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">///</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment">///   1, for normal constructable/destructable types and reference types</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">///   2, for reference types</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"></span><span class="comment"></span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment">/// The std::optional features we support are:</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment">///</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment">/// - has_value() and operator bool() to tell if the optional has a value</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment">/// - value() returns a reference to the held object</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment">///</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacearmnn.xhtml">armnn</a></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;{</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment">/// EmptyOptional is used to initialize the Optional class in case we want</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment">/// to have default value for an Optional in a function declaration.</span></div><div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="structarmnn_1_1_empty_optional.xhtml">   32</a></span>&#160;<span class="comment"></span><span class="keyword">struct </span><a class="code" href="structarmnn_1_1_empty_optional.xhtml">EmptyOptional</a> {};</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment">/// Disambiguation tag that can be passed to the constructor to indicate that</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="comment">/// the contained object should be constructed in-place</span></div><div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="structarmnn_1_1_construct_in_place.xhtml">   36</a></span>&#160;<span class="comment"></span><span class="keyword">struct </span><a class="code" href="structarmnn_1_1_construct_in_place.xhtml">ConstructInPlace</a></div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;{</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="structarmnn_1_1_construct_in_place.xhtml">ConstructInPlace</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;};</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="_optional_8hpp.xhtml#acbec11f88a308826fa811f370d363a4a">   41</a></span>&#160;<span class="preprocessor">#define CONSTRUCT_IN_PLACE armnn::ConstructInPlace{}</span></div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="comment">/// OptionalBase is the common functionality between reference and non-reference</span></div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment">/// optional types.</span></div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_base.xhtml">   45</a></span>&#160;<span class="comment"></span><span class="keyword">class </span><a class="code" href="classarmnn_1_1_optional_base.xhtml">OptionalBase</a></div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;{</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_base.xhtml#ac2bde2f7113f72440ad3638eeb4d06f6">   48</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional_base.xhtml#ac2bde2f7113f72440ad3638eeb4d06f6">OptionalBase</a>() noexcept</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        : m_HasValue{<span class="keyword">false</span>}</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    {</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    }</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_base.xhtml#a86b749ce2c4bc627fa8a1fcfaf0e314f">   53</a></span>&#160;    <span class="keywordtype">bool</span> <a class="code" href="classarmnn_1_1_optional_base.xhtml#a86b749ce2c4bc627fa8a1fcfaf0e314f">has_value</a>() const noexcept</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    {</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        <span class="keywordflow">return</span> m_HasValue;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    }</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment">    /// Conversion to bool, so can be used in if-statements and similar contexts expecting a bool.</span></div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="comment">    /// Note this is explicit so that it doesn&#39;t get implicitly converted to a bool in unwanted cases,</span></div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="comment">    /// for example &quot;Optional&lt;TypeA&gt; == Optional&lt;TypeB&gt;&quot; should not compile.</span></div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_base.xhtml#a420e60e9788bfa3b52aa3aab72ea3a5e">   61</a></span>&#160;<span class="comment"></span>    <span class="keyword">explicit</span> <span class="keyword">operator</span> bool() const noexcept</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    {</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;        <span class="keywordflow">return</span> has_value();</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    }</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="keyword">protected</span>:</div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_base.xhtml#a50b53f38c96fdf12c90890d2dfbb8719">   67</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional_base.xhtml#a50b53f38c96fdf12c90890d2dfbb8719">OptionalBase</a>(<span class="keywordtype">bool</span> hasValue) noexcept</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        : m_HasValue{hasValue}</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    {</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    }</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_base.xhtml#a53e87efb7e1b2df3dc4420dafaf2ee7e">   72</a></span>&#160;    <span class="keywordtype">bool</span> <a class="code" href="classarmnn_1_1_optional_base.xhtml#a53e87efb7e1b2df3dc4420dafaf2ee7e">m_HasValue</a>;</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;};</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="comment">///</span></div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="comment">/// The default implementation is the non-reference case. This</span></div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="comment">/// has an unsigned char array for storing the optional value which</span></div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="comment">/// is in-place constructed there.</span></div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="comment">///</span></div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="comment"></span><span class="keyword">template</span> &lt;<span class="keywordtype">bool</span> IsReference, <span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch.xhtml">   81</a></span>&#160;<span class="keyword">class </span><a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">OptionalReferenceSwitch</a> : <span class="keyword">public</span> <a class="code" href="classarmnn_1_1_optional_base.xhtml">OptionalBase</a></div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;{</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch.xhtml#a13da864f1d4a5e3957ba70473f8fbf8d">   84</a></span>&#160;    <span class="keyword">using</span> <a class="code" href="classarmnn_1_1_optional_base.xhtml">Base</a> = <a class="code" href="classarmnn_1_1_optional_base.xhtml">OptionalBase</a>;</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;</div><div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch.xhtml#ae0e39323497d71182ed4ff2c15f1e565">   86</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml#ae0e39323497d71182ed4ff2c15f1e565">OptionalReferenceSwitch</a>() noexcept : <a class="code" href="classarmnn_1_1_optional_base.xhtml">Base</a>{} {}</div><div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch.xhtml#a13961a32b21df02dad8c66e11995f006">   87</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml#a13961a32b21df02dad8c66e11995f006">OptionalReferenceSwitch</a>(<a class="code" href="structarmnn_1_1_empty_optional.xhtml">EmptyOptional</a>) noexcept : <a class="code" href="classarmnn_1_1_optional_base.xhtml">Base</a>{} {}</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;</div><div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch.xhtml#a6beefcffe9bf038690c90acd176c2263">   89</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml#a6beefcffe9bf038690c90acd176c2263">OptionalReferenceSwitch</a>(<span class="keyword">const</span> T&amp; value)</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        : <a class="code" href="classarmnn_1_1_optional_base.xhtml">Base</a>{}</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    {</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;        Construct(value);</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    }</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    <span class="keyword">template</span>&lt;<span class="keyword">class</span>... Args&gt;</div><div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch.xhtml#a4f012dc9cb58d868dc77bb3b4ba3a76d">   96</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml#a4f012dc9cb58d868dc77bb3b4ba3a76d">OptionalReferenceSwitch</a>(<a class="code" href="structarmnn_1_1_construct_in_place.xhtml">ConstructInPlace</a>, Args&amp;&amp;... args)</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;        : <a class="code" href="classarmnn_1_1_optional_base.xhtml">Base</a>{}</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    {</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;        Construct(<a class="code" href="_optional_8hpp.xhtml#acbec11f88a308826fa811f370d363a4a">CONSTRUCT_IN_PLACE</a>, std::forward&lt;Args&gt;(args)...);</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    }</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;</div><div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch.xhtml#a66ffe2beacf3f0e66c2ccb21fcfba30f">  102</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml#a66ffe2beacf3f0e66c2ccb21fcfba30f">OptionalReferenceSwitch</a>(<span class="keyword">const</span> <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">OptionalReferenceSwitch</a>&amp; other)</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;        : <a class="code" href="classarmnn_1_1_optional_base.xhtml">Base</a>{}</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    {</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;        *<span class="keyword">this</span> = other;</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    }</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;</div><div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch.xhtml#abe5947e3f9acc0738b3ef2ee4cf3547d">  108</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">OptionalReferenceSwitch</a>&amp; <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml#abe5947e3f9acc0738b3ef2ee4cf3547d">operator=</a>(<span class="keyword">const</span> T&amp; value)</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    {</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;        reset();</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;        Construct(value);</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    }</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;</div><div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch.xhtml#afcdbef8eae7fb1de8ea387da20dd369c">  115</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">OptionalReferenceSwitch</a>&amp; <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml#afcdbef8eae7fb1de8ea387da20dd369c">operator=</a>(<span class="keyword">const</span> <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">OptionalReferenceSwitch</a>&amp; other)</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    {</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;        reset();</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;        <span class="keywordflow">if</span> (other.<a class="code" href="classarmnn_1_1_optional_base.xhtml#a86b749ce2c4bc627fa8a1fcfaf0e314f">has_value</a>())</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;        {</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;            Construct(other.<a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml#a77c7d528ac063d870b8c8426ec81c1c3">value</a>());</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;        }</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    }</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;</div><div class="line"><a name="l00126"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch.xhtml#affce7d7dd75fd7b406f5112bd54ac7d8">  126</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">OptionalReferenceSwitch</a>&amp; <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml#affce7d7dd75fd7b406f5112bd54ac7d8">operator=</a>(<a class="code" href="structarmnn_1_1_empty_optional.xhtml">EmptyOptional</a>)</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    {</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;        reset();</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    }</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;</div><div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch.xhtml#abf0cbbed2029d141b8a8f1b39c7028f9">  132</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml#abf0cbbed2029d141b8a8f1b39c7028f9">~OptionalReferenceSwitch</a>()</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    {</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;        reset();</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    }</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;</div><div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch.xhtml#ad20897c5c8bd47f5d4005989bead0e55">  137</a></span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml#ad20897c5c8bd47f5d4005989bead0e55">reset</a>()</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    {</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;        <span class="keywordflow">if</span> (Base::has_value())</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;        {</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;            value().T::~T();</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;            Base::m_HasValue = <span class="keyword">false</span>;</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        }</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;    }</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;</div><div class="line"><a name="l00146"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch.xhtml#a77c7d528ac063d870b8c8426ec81c1c3">  146</a></span>&#160;    <span class="keyword">const</span> T&amp; <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml#a77c7d528ac063d870b8c8426ec81c1c3">value</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;<span class="keyword">    </span>{</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        <span class="keywordflow">if</span> (!Base::has_value())</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;        {</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;            <span class="keywordflow">throw</span> <a class="code" href="classarmnn_1_1_bad_optional_access_exception.xhtml">BadOptionalAccessException</a>(<span class="stringliteral">&quot;Optional has no value&quot;</span>);</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;        }</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;        <span class="keyword">auto</span> valuePtr = <span class="keyword">reinterpret_cast&lt;</span><span class="keyword">const </span>T*<span class="keyword">&gt;</span>(m_Storage);</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;        <span class="keywordflow">return</span> *valuePtr;</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    }</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;</div><div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch.xhtml#a464298ad7afeafebbb149f566ecabbab">  157</a></span>&#160;    T&amp; <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml#a464298ad7afeafebbb149f566ecabbab">value</a>()</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;    {</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;        <span class="keywordflow">if</span> (!Base::has_value())</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;        {</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;            <span class="keywordflow">throw</span> <a class="code" href="classarmnn_1_1_bad_optional_access_exception.xhtml">BadOptionalAccessException</a>(<span class="stringliteral">&quot;Optional has no value&quot;</span>);</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;        }</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;        <span class="keyword">auto</span> valuePtr = <span class="keyword">reinterpret_cast&lt;</span>T*<span class="keyword">&gt;</span>(m_Storage);</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;        <span class="keywordflow">return</span> *valuePtr;</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    }</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;    <span class="keywordtype">void</span> Construct(<span class="keyword">const</span> T&amp; value)</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;    {</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;        <span class="keyword">new</span> (m_Storage) T(value);</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;        m_HasValue = <span class="keyword">true</span>;</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    }</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;    <span class="keyword">template</span>&lt;<span class="keyword">class</span>... Args&gt;</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    <span class="keywordtype">void</span> Construct(<a class="code" href="structarmnn_1_1_construct_in_place.xhtml">ConstructInPlace</a>, Args&amp;&amp;... args)</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    {</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;        <span class="keyword">new</span> (m_Storage) T(std::forward&lt;Args&gt;(args)...);</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        m_HasValue = <span class="keyword">true</span>;</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;    }</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    <span class="keyword">alignas</span>(<span class="keyword">alignof</span>(T)) <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> m_Storage[<span class="keyword">sizeof</span>(T)];</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;};</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;<span class="comment">///</span></div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;<span class="comment">/// This is the special case for reference types. This holds a pointer</span></div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;<span class="comment">/// to the referenced type. This doesn&#39;t own the referenced memory and</span></div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;<span class="comment">/// it never calls delete on the pointer.</span></div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;<span class="comment">///</span></div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;<span class="comment"></span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00191"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml">  191</a></span>&#160;<span class="keyword">class </span><a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">OptionalReferenceSwitch</a>&lt;<a class="code" href="_cl_layer_tests_8cpp.xhtml#a37f1c3ccc9fc906be85185350dd83d48">true</a>, T&gt; : <span class="keyword">public</span> <a class="code" href="classarmnn_1_1_optional_base.xhtml">OptionalBase</a></div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;{</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#a13da864f1d4a5e3957ba70473f8fbf8d">  194</a></span>&#160;    <span class="keyword">using</span> <a class="code" href="classarmnn_1_1_optional_base.xhtml">Base</a> = <a class="code" href="classarmnn_1_1_optional_base.xhtml">OptionalBase</a>;</div><div class="line"><a name="l00195"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#aa35457bd4f798de06bf5742117fbaf16">  195</a></span>&#160;    <span class="keyword">using</span> <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#aa35457bd4f798de06bf5742117fbaf16">NonRefT</a> = <span class="keyword">typename</span> std::remove_reference&lt;T&gt;::type;</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;</div><div class="line"><a name="l00197"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#ae0e39323497d71182ed4ff2c15f1e565">  197</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#ae0e39323497d71182ed4ff2c15f1e565">OptionalReferenceSwitch</a>() noexcept : <a class="code" href="classarmnn_1_1_optional_base.xhtml">Base</a>{}, m_Storage{<span class="keyword">nullptr</span>} {}</div><div class="line"><a name="l00198"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#a13961a32b21df02dad8c66e11995f006">  198</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#a13961a32b21df02dad8c66e11995f006">OptionalReferenceSwitch</a>(<a class="code" href="structarmnn_1_1_empty_optional.xhtml">EmptyOptional</a>) noexcept : <a class="code" href="classarmnn_1_1_optional_base.xhtml">Base</a>{}, m_Storage{<span class="keyword">nullptr</span>} {}</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;</div><div class="line"><a name="l00200"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#a66ffe2beacf3f0e66c2ccb21fcfba30f">  200</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#a66ffe2beacf3f0e66c2ccb21fcfba30f">OptionalReferenceSwitch</a>(<span class="keyword">const</span> <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">OptionalReferenceSwitch</a>&amp; other) : <a class="code" href="classarmnn_1_1_optional_base.xhtml">Base</a>{}</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;    {</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;        *<span class="keyword">this</span> = other;</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;    }</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;</div><div class="line"><a name="l00205"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#a7f3f2d9ab25077e28a310bd9ca871556">  205</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#a7f3f2d9ab25077e28a310bd9ca871556">OptionalReferenceSwitch</a>(T value)</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;        : <a class="code" href="classarmnn_1_1_optional_base.xhtml">Base</a>{<span class="keyword">true</span>}</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;        , m_Storage{&amp;value}</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;    {</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;    }</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;    <span class="keyword">template</span>&lt;<span class="keyword">class</span>... Args&gt;</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;    <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">OptionalReferenceSwitch</a>(<a class="code" href="structarmnn_1_1_construct_in_place.xhtml">ConstructInPlace</a>, Args&amp;&amp;... args) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;</div><div class="line"><a name="l00214"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#a079e5fefe2d24504f6742516fe515ffe">  214</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">OptionalReferenceSwitch</a>&amp; <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#a079e5fefe2d24504f6742516fe515ffe">operator=</a>(<span class="keyword">const</span> T value)</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;    {</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;        m_Storage = &amp;value;</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;        Base::m_HasValue = <span class="keyword">true</span>;</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;    }</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;</div><div class="line"><a name="l00221"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#afcdbef8eae7fb1de8ea387da20dd369c">  221</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">OptionalReferenceSwitch</a>&amp; <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#afcdbef8eae7fb1de8ea387da20dd369c">operator=</a>(<span class="keyword">const</span> <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">OptionalReferenceSwitch</a>&amp; other)</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;    {</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;        m_Storage = other.m_Storage;</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;        Base::m_HasValue = other.<a class="code" href="classarmnn_1_1_optional_base.xhtml#a86b749ce2c4bc627fa8a1fcfaf0e314f">has_value</a>();</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;    }</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;</div><div class="line"><a name="l00228"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#affce7d7dd75fd7b406f5112bd54ac7d8">  228</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">OptionalReferenceSwitch</a>&amp; <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#affce7d7dd75fd7b406f5112bd54ac7d8">operator=</a>(<a class="code" href="structarmnn_1_1_empty_optional.xhtml">EmptyOptional</a>)</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;    {</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;        reset();</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;    }</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;</div><div class="line"><a name="l00234"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#abf0cbbed2029d141b8a8f1b39c7028f9">  234</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#abf0cbbed2029d141b8a8f1b39c7028f9">~OptionalReferenceSwitch</a>()</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;    {</div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;        reset();</div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;    }</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;</div><div class="line"><a name="l00239"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#ad20897c5c8bd47f5d4005989bead0e55">  239</a></span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#ad20897c5c8bd47f5d4005989bead0e55">reset</a>()</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;    {</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;        Base::m_HasValue = <span class="keyword">false</span>;</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;        m_Storage = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;    }</div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;</div><div class="line"><a name="l00245"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#ab657408af6365dc01548c8befa2011bf">  245</a></span>&#160;    <span class="keyword">const</span> T <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#ab657408af6365dc01548c8befa2011bf">value</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;<span class="keyword">    </span>{</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;        <span class="keywordflow">if</span> (!Base::has_value())</div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;        {</div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;            <span class="keywordflow">throw</span> <a class="code" href="classarmnn_1_1_bad_optional_access_exception.xhtml">BadOptionalAccessException</a>(<span class="stringliteral">&quot;Optional has no value&quot;</span>);</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;        }</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;        <span class="keywordflow">return</span> *m_Storage;</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;    }</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;</div><div class="line"><a name="l00255"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#a35cbddae445b41e7fca89827efecf90c">  255</a></span>&#160;    T <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#a35cbddae445b41e7fca89827efecf90c">value</a>()</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;    {</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;        <span class="keywordflow">if</span> (!Base::has_value())</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;        {</div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;            <span class="keywordflow">throw</span> <a class="code" href="classarmnn_1_1_bad_optional_access_exception.xhtml">BadOptionalAccessException</a>(<span class="stringliteral">&quot;Optional has no value&quot;</span>);</div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;        }</div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;</div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;        <span class="keywordflow">return</span> *m_Storage;</div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;    }</div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;</div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;    <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#aa35457bd4f798de06bf5742117fbaf16">NonRefT</a>* m_Storage;</div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;};</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;</div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00270"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional.xhtml">  270</a></span>&#160;<span class="keyword">class </span><a class="code" href="classarmnn_1_1_optional.xhtml">Optional</a> final : <span class="keyword">public</span> <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">OptionalReferenceSwitch</a>&lt;std::is_reference&lt;T&gt;::value, T&gt;</div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;{</div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00273"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional.xhtml#ad10f4d634fc3080d680a3a7a004e098f">  273</a></span>&#160;    <span class="keyword">using</span> <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">BaseSwitch</a> = <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">OptionalReferenceSwitch&lt;std::is_reference&lt;T&gt;::value</a>, T&gt;;</div><div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;</div><div class="line"><a name="l00275"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional.xhtml#a0ba66c8e63acad2362782737bdc1e50a">  275</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional.xhtml#a0ba66c8e63acad2362782737bdc1e50a">Optional</a>() noexcept : <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">BaseSwitch</a>{} {}</div><div class="line"><a name="l00276"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional.xhtml#ad821ad3ce9685b41025f5f70481ec2d7">  276</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional.xhtml#ad821ad3ce9685b41025f5f70481ec2d7">Optional</a>(<span class="keyword">const</span> T&amp; value) : <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">BaseSwitch</a>{value} {}</div><div class="line"><a name="l00277"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional.xhtml#a5569b19b8dc99204c286f32c2c979eb6">  277</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional.xhtml#a5569b19b8dc99204c286f32c2c979eb6">Optional</a>(<a class="code" href="structarmnn_1_1_empty_optional.xhtml">EmptyOptional</a> empty) : <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">BaseSwitch</a>{empty} {}</div><div class="line"><a name="l00278"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional.xhtml#ab71d669cf5dc14eb564c64345be02198">  278</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional.xhtml#ab71d669cf5dc14eb564c64345be02198">Optional</a>(<span class="keyword">const</span> <a class="code" href="classarmnn_1_1_optional.xhtml">Optional</a>&amp; other) : <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">BaseSwitch</a>{other} {}</div><div class="line"><a name="l00279"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional.xhtml#ad6bb5bce1d9fcc1ea1d672543c75db4e">  279</a></span>&#160;    <a class="code" href="classarmnn_1_1_optional.xhtml#ad6bb5bce1d9fcc1ea1d672543c75db4e">Optional</a>(<span class="keyword">const</span> <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">BaseSwitch</a>&amp; other) : <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">BaseSwitch</a>{other} {}</div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;</div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;    <span class="keyword">template</span>&lt;<span class="keyword">class</span>... Args&gt;</div><div class="line"><a name="l00282"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional.xhtml#a2e14620644d695df278fc6a84c8a63dc">  282</a></span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classarmnn_1_1_optional.xhtml#a2e14620644d695df278fc6a84c8a63dc">Optional</a>(<a class="code" href="structarmnn_1_1_construct_in_place.xhtml">ConstructInPlace</a>, Args&amp;&amp;... args) :</div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;        <a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml">BaseSwitch</a>(<a class="code" href="_optional_8hpp.xhtml#acbec11f88a308826fa811f370d363a4a">CONSTRUCT_IN_PLACE</a>, <a class="code" href="namespacestd.xhtml">std</a>::forward&lt;Args&gt;(args)...) {}</div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;<span class="comment">    /// Two optionals are considered equal if they are both empty or both contain values which</span></div><div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;<span class="comment">    /// themselves are considered equal (via their own == operator).</span></div><div class="line"><a name="l00287"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional.xhtml#aa68a881b2258017440f00f1bf3cd0e74">  287</a></span>&#160;<span class="comment"></span>    <span class="keywordtype">bool</span> <a class="code" href="classarmnn_1_1_optional.xhtml#aa68a881b2258017440f00f1bf3cd0e74">operator==</a>(<span class="keyword">const</span> <a class="code" href="classarmnn_1_1_optional.xhtml">Optional&lt;T&gt;</a>&amp; rhs)<span class="keyword"> const</span></div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;<span class="keyword">    </span>{</div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;        <span class="keywordflow">if</span> (!this-&gt;has_value() &amp;&amp; !rhs.<a class="code" href="classarmnn_1_1_optional_base.xhtml#a86b749ce2c4bc627fa8a1fcfaf0e314f">has_value</a>())</div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;        {</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;        }</div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;        <span class="keywordflow">if</span> (this-&gt;has_value() &amp;&amp; rhs.<a class="code" href="classarmnn_1_1_optional_base.xhtml#a86b749ce2c4bc627fa8a1fcfaf0e314f">has_value</a>() &amp;&amp; this-&gt;value() == rhs.<a class="code" href="classarmnn_1_1_optional_reference_switch.xhtml#a77c7d528ac063d870b8c8426ec81c1c3">value</a>())</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;        {</div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;        }</div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;    }</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;};</div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;<span class="comment">/// Utility template that constructs an object of type T in-place and wraps</span></div><div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;<span class="comment">/// it inside an Optional&lt;T&gt; object</span></div><div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;<span class="comment"></span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, <span class="keyword">class</span>... Args&gt;</div><div class="line"><a name="l00304"></a><span class="lineno"><a class="line" href="namespacearmnn.xhtml#a77780137c47f528921f6537447060f05">  304</a></span>&#160;<a class="code" href="classarmnn_1_1_optional.xhtml">Optional&lt;T&gt;</a> <a class="code" href="namespacearmnn.xhtml#a77780137c47f528921f6537447060f05">MakeOptional</a>(Args&amp;&amp;... args)</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;{</div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="classarmnn_1_1_optional.xhtml">Optional&lt;T&gt;</a>(<a class="code" href="_optional_8hpp.xhtml#acbec11f88a308826fa811f370d363a4a">CONSTRUCT_IN_PLACE</a>, std::forward&lt;Args&gt;(args)...);</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;}</div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;</div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;}</div><div class="ttc" id="classarmnn_1_1_optional_xhtml_a2e14620644d695df278fc6a84c8a63dc"><div class="ttname"><a href="classarmnn_1_1_optional.xhtml#a2e14620644d695df278fc6a84c8a63dc">armnn::Optional::Optional</a></div><div class="ttdeci">Optional(ConstructInPlace, Args &amp;&amp;... args)</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00282">Optional.hpp:282</a></div></div>
 102 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_xhtml_ae0e39323497d71182ed4ff2c15f1e565"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#ae0e39323497d71182ed4ff2c15f1e565">armnn::OptionalReferenceSwitch&lt; true, T &gt;::OptionalReferenceSwitch</a></div><div class="ttdeci">OptionalReferenceSwitch() noexcept</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00197">Optional.hpp:197</a></div></div>
 103 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_xhtml_affce7d7dd75fd7b406f5112bd54ac7d8"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.xhtml#affce7d7dd75fd7b406f5112bd54ac7d8">armnn::OptionalReferenceSwitch::operator=</a></div><div class="ttdeci">OptionalReferenceSwitch &amp; operator=(EmptyOptional)</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00126">Optional.hpp:126</a></div></div>
 104 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_xhtml_a464298ad7afeafebbb149f566ecabbab"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.xhtml#a464298ad7afeafebbb149f566ecabbab">armnn::OptionalReferenceSwitch::value</a></div><div class="ttdeci">T &amp; value()</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00157">Optional.hpp:157</a></div></div>
 105 <div class="ttc" id="classarmnn_1_1_optional_xhtml"><div class="ttname"><a href="classarmnn_1_1_optional.xhtml">armnn::Optional</a></div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00270">Optional.hpp:270</a></div></div>
 106 <div class="ttc" id="classarmnn_1_1_optional_xhtml_ab71d669cf5dc14eb564c64345be02198"><div class="ttname"><a href="classarmnn_1_1_optional.xhtml#ab71d669cf5dc14eb564c64345be02198">armnn::Optional::Optional</a></div><div class="ttdeci">Optional(const Optional &amp;other)</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00278">Optional.hpp:278</a></div></div>
 107 <div class="ttc" id="classarmnn_1_1_optional_xhtml_ad6bb5bce1d9fcc1ea1d672543c75db4e"><div class="ttname"><a href="classarmnn_1_1_optional.xhtml#ad6bb5bce1d9fcc1ea1d672543c75db4e">armnn::Optional::Optional</a></div><div class="ttdeci">Optional(const BaseSwitch &amp;other)</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00279">Optional.hpp:279</a></div></div>
 108 <div class="ttc" id="classarmnn_1_1_optional_base_xhtml_a50b53f38c96fdf12c90890d2dfbb8719"><div class="ttname"><a href="classarmnn_1_1_optional_base.xhtml#a50b53f38c96fdf12c90890d2dfbb8719">armnn::OptionalBase::OptionalBase</a></div><div class="ttdeci">OptionalBase(bool hasValue) noexcept</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00067">Optional.hpp:67</a></div></div>
 109 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_xhtml_a13961a32b21df02dad8c66e11995f006"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.xhtml#a13961a32b21df02dad8c66e11995f006">armnn::OptionalReferenceSwitch::OptionalReferenceSwitch</a></div><div class="ttdeci">OptionalReferenceSwitch(EmptyOptional) noexcept</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00087">Optional.hpp:87</a></div></div>
 110 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_xhtml_ad20897c5c8bd47f5d4005989bead0e55"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#ad20897c5c8bd47f5d4005989bead0e55">armnn::OptionalReferenceSwitch&lt; true, T &gt;::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00239">Optional.hpp:239</a></div></div>
 111 <div class="ttc" id="structarmnn_1_1_construct_in_place_xhtml"><div class="ttname"><a href="structarmnn_1_1_construct_in_place.xhtml">armnn::ConstructInPlace</a></div><div class="ttdoc">Disambiguation tag that can be passed to the constructor to indicate that the contained object should...</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00036">Optional.hpp:36</a></div></div>
 112 <div class="ttc" id="classarmnn_1_1_optional_base_xhtml_a53e87efb7e1b2df3dc4420dafaf2ee7e"><div class="ttname"><a href="classarmnn_1_1_optional_base.xhtml#a53e87efb7e1b2df3dc4420dafaf2ee7e">armnn::OptionalBase::m_HasValue</a></div><div class="ttdeci">bool m_HasValue</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00072">Optional.hpp:72</a></div></div>
 113 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_xhtml_afcdbef8eae7fb1de8ea387da20dd369c"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#afcdbef8eae7fb1de8ea387da20dd369c">armnn::OptionalReferenceSwitch&lt; true, T &gt;::operator=</a></div><div class="ttdeci">OptionalReferenceSwitch &amp; operator=(const OptionalReferenceSwitch &amp;other)</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00221">Optional.hpp:221</a></div></div>
 114 <div class="ttc" id="classarmnn_1_1_optional_xhtml_aa68a881b2258017440f00f1bf3cd0e74"><div class="ttname"><a href="classarmnn_1_1_optional.xhtml#aa68a881b2258017440f00f1bf3cd0e74">armnn::Optional::operator==</a></div><div class="ttdeci">bool operator==(const Optional&lt; T &gt; &amp;rhs) const</div><div class="ttdoc">Two optionals are considered equal if they are both empty or both contain values which themselves are...</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00287">Optional.hpp:287</a></div></div>
 115 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_xhtml_aa35457bd4f798de06bf5742117fbaf16"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#aa35457bd4f798de06bf5742117fbaf16">armnn::OptionalReferenceSwitch&lt; true, T &gt;::NonRefT</a></div><div class="ttdeci">typename std::remove_reference&lt; T &gt;::type NonRefT</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00195">Optional.hpp:195</a></div></div>
 116 <div class="ttc" id="_optional_8hpp_xhtml_acbec11f88a308826fa811f370d363a4a"><div class="ttname"><a href="_optional_8hpp.xhtml#acbec11f88a308826fa811f370d363a4a">CONSTRUCT_IN_PLACE</a></div><div class="ttdeci">#define CONSTRUCT_IN_PLACE</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00041">Optional.hpp:41</a></div></div>
 117 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_xhtml_abe5947e3f9acc0738b3ef2ee4cf3547d"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.xhtml#abe5947e3f9acc0738b3ef2ee4cf3547d">armnn::OptionalReferenceSwitch::operator=</a></div><div class="ttdeci">OptionalReferenceSwitch &amp; operator=(const T &amp;value)</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00108">Optional.hpp:108</a></div></div>
 118 <div class="ttc" id="classarmnn_1_1_optional_xhtml_a0ba66c8e63acad2362782737bdc1e50a"><div class="ttname"><a href="classarmnn_1_1_optional.xhtml#a0ba66c8e63acad2362782737bdc1e50a">armnn::Optional::Optional</a></div><div class="ttdeci">Optional() noexcept</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00275">Optional.hpp:275</a></div></div>
 119 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_xhtml_abf0cbbed2029d141b8a8f1b39c7028f9"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.xhtml#abf0cbbed2029d141b8a8f1b39c7028f9">armnn::OptionalReferenceSwitch::~OptionalReferenceSwitch</a></div><div class="ttdeci">~OptionalReferenceSwitch()</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00132">Optional.hpp:132</a></div></div>
 120 <div class="ttc" id="namespacearmnn_xhtml"><div class="ttname"><a href="namespacearmnn.xhtml">armnn</a></div><div class="ttdoc">Copyright (c) 2020 ARM Limited. </div><div class="ttdef"><b>Definition:</b> <a href="00__introduction_8dox_source.xhtml#l00025">00_introduction.dox:25</a></div></div>
 121 <div class="ttc" id="classarmnn_1_1_bad_optional_access_exception_xhtml"><div class="ttname"><a href="classarmnn_1_1_bad_optional_access_exception.xhtml">armnn::BadOptionalAccessException</a></div><div class="ttdef"><b>Definition:</b> <a href="_exceptions_8hpp_source.xhtml#l00115">Exceptions.hpp:115</a></div></div>
 122 <div class="ttc" id="_cl_layer_tests_8cpp_xhtml_a37f1c3ccc9fc906be85185350dd83d48"><div class="ttname"><a href="_cl_layer_tests_8cpp.xhtml#a37f1c3ccc9fc906be85185350dd83d48">true</a></div><div class="ttdeci">DataLayout::NCHW DataLayout::NCHW DataLayout::NHWC DataLayout::NHWC true</div><div class="ttdef"><b>Definition:</b> <a href="_cl_layer_tests_8cpp_source.xhtml#l00202">ClLayerTests.cpp:202</a></div></div>
 123 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_xhtml_a77c7d528ac063d870b8c8426ec81c1c3"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.xhtml#a77c7d528ac063d870b8c8426ec81c1c3">armnn::OptionalReferenceSwitch::value</a></div><div class="ttdeci">const T &amp; value() const</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00146">Optional.hpp:146</a></div></div>
 124 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_xhtml_a66ffe2beacf3f0e66c2ccb21fcfba30f"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.xhtml#a66ffe2beacf3f0e66c2ccb21fcfba30f">armnn::OptionalReferenceSwitch::OptionalReferenceSwitch</a></div><div class="ttdeci">OptionalReferenceSwitch(const OptionalReferenceSwitch &amp;other)</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00102">Optional.hpp:102</a></div></div>
 125 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_xhtml_affce7d7dd75fd7b406f5112bd54ac7d8"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#affce7d7dd75fd7b406f5112bd54ac7d8">armnn::OptionalReferenceSwitch&lt; true, T &gt;::operator=</a></div><div class="ttdeci">OptionalReferenceSwitch &amp; operator=(EmptyOptional)</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00228">Optional.hpp:228</a></div></div>
 126 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_xhtml_a4f012dc9cb58d868dc77bb3b4ba3a76d"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.xhtml#a4f012dc9cb58d868dc77bb3b4ba3a76d">armnn::OptionalReferenceSwitch::OptionalReferenceSwitch</a></div><div class="ttdeci">OptionalReferenceSwitch(ConstructInPlace, Args &amp;&amp;... args)</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00096">Optional.hpp:96</a></div></div>
 127 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_xhtml_a13961a32b21df02dad8c66e11995f006"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#a13961a32b21df02dad8c66e11995f006">armnn::OptionalReferenceSwitch&lt; true, T &gt;::OptionalReferenceSwitch</a></div><div class="ttdeci">OptionalReferenceSwitch(EmptyOptional) noexcept</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00198">Optional.hpp:198</a></div></div>
 128 <div class="ttc" id="namespacestd_xhtml"><div class="ttname"><a href="namespacestd.xhtml">std</a></div><div class="ttdef"><b>Definition:</b> <a href="_backend_id_8hpp_source.xhtml#l00147">BackendId.hpp:147</a></div></div>
 129 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_xhtml_a66ffe2beacf3f0e66c2ccb21fcfba30f"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#a66ffe2beacf3f0e66c2ccb21fcfba30f">armnn::OptionalReferenceSwitch&lt; true, T &gt;::OptionalReferenceSwitch</a></div><div class="ttdeci">OptionalReferenceSwitch(const OptionalReferenceSwitch &amp;other)</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00200">Optional.hpp:200</a></div></div>
 130 <div class="ttc" id="classarmnn_1_1_optional_base_xhtml_ac2bde2f7113f72440ad3638eeb4d06f6"><div class="ttname"><a href="classarmnn_1_1_optional_base.xhtml#ac2bde2f7113f72440ad3638eeb4d06f6">armnn::OptionalBase::OptionalBase</a></div><div class="ttdeci">OptionalBase() noexcept</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00048">Optional.hpp:48</a></div></div>
 131 <div class="ttc" id="classarmnn_1_1_optional_base_xhtml_a86b749ce2c4bc627fa8a1fcfaf0e314f"><div class="ttname"><a href="classarmnn_1_1_optional_base.xhtml#a86b749ce2c4bc627fa8a1fcfaf0e314f">armnn::OptionalBase::has_value</a></div><div class="ttdeci">bool has_value() const noexcept</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00053">Optional.hpp:53</a></div></div>
 132 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_xhtml"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.xhtml">armnn::OptionalReferenceSwitch</a></div><div class="ttdoc">The default implementation is the non-reference case. </div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00081">Optional.hpp:81</a></div></div>
 133 <div class="ttc" id="classarmnn_1_1_optional_xhtml_a5569b19b8dc99204c286f32c2c979eb6"><div class="ttname"><a href="classarmnn_1_1_optional.xhtml#a5569b19b8dc99204c286f32c2c979eb6">armnn::Optional::Optional</a></div><div class="ttdeci">Optional(EmptyOptional empty)</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00277">Optional.hpp:277</a></div></div>
 134 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_xhtml_afcdbef8eae7fb1de8ea387da20dd369c"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.xhtml#afcdbef8eae7fb1de8ea387da20dd369c">armnn::OptionalReferenceSwitch::operator=</a></div><div class="ttdeci">OptionalReferenceSwitch &amp; operator=(const OptionalReferenceSwitch &amp;other)</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00115">Optional.hpp:115</a></div></div>
 135 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_xhtml_a35cbddae445b41e7fca89827efecf90c"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#a35cbddae445b41e7fca89827efecf90c">armnn::OptionalReferenceSwitch&lt; true, T &gt;::value</a></div><div class="ttdeci">T value()</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00255">Optional.hpp:255</a></div></div>
 136 <div class="ttc" id="structarmnn_1_1_empty_optional_xhtml"><div class="ttname"><a href="structarmnn_1_1_empty_optional.xhtml">armnn::EmptyOptional</a></div><div class="ttdoc">EmptyOptional is used to initialize the Optional class in case we want to have default value for an O...</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00032">Optional.hpp:32</a></div></div>
 137 <div class="ttc" id="classarmnn_1_1_optional_xhtml_ad821ad3ce9685b41025f5f70481ec2d7"><div class="ttname"><a href="classarmnn_1_1_optional.xhtml#ad821ad3ce9685b41025f5f70481ec2d7">armnn::Optional::Optional</a></div><div class="ttdeci">Optional(const T &amp;value)</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00276">Optional.hpp:276</a></div></div>
 138 <div class="ttc" id="_exceptions_8hpp_xhtml"><div class="ttname"><a href="_exceptions_8hpp.xhtml">Exceptions.hpp</a></div></div>
 139 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_xhtml_ab657408af6365dc01548c8befa2011bf"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#ab657408af6365dc01548c8befa2011bf">armnn::OptionalReferenceSwitch&lt; true, T &gt;::value</a></div><div class="ttdeci">const T value() const</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00245">Optional.hpp:245</a></div></div>
 140 <div class="ttc" id="namespacearmnn_xhtml_a77780137c47f528921f6537447060f05"><div class="ttname"><a href="namespacearmnn.xhtml#a77780137c47f528921f6537447060f05">armnn::MakeOptional</a></div><div class="ttdeci">Optional&lt; T &gt; MakeOptional(Args &amp;&amp;... args)</div><div class="ttdoc">Utility template that constructs an object of type T in-place and wraps it inside an Optional&lt;T&gt; obje...</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00304">Optional.hpp:304</a></div></div>
 141 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_xhtml_ad20897c5c8bd47f5d4005989bead0e55"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.xhtml#ad20897c5c8bd47f5d4005989bead0e55">armnn::OptionalReferenceSwitch::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00137">Optional.hpp:137</a></div></div>
 142 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_xhtml_a7f3f2d9ab25077e28a310bd9ca871556"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#a7f3f2d9ab25077e28a310bd9ca871556">armnn::OptionalReferenceSwitch&lt; true, T &gt;::OptionalReferenceSwitch</a></div><div class="ttdeci">OptionalReferenceSwitch(T value)</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00205">Optional.hpp:205</a></div></div>
 143 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_xhtml_a6beefcffe9bf038690c90acd176c2263"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.xhtml#a6beefcffe9bf038690c90acd176c2263">armnn::OptionalReferenceSwitch::OptionalReferenceSwitch</a></div><div class="ttdeci">OptionalReferenceSwitch(const T &amp;value)</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00089">Optional.hpp:89</a></div></div>
 144 <div class="ttc" id="classarmnn_1_1_optional_base_xhtml"><div class="ttname"><a href="classarmnn_1_1_optional_base.xhtml">armnn::OptionalBase</a></div><div class="ttdoc">OptionalBase is the common functionality between reference and non-reference optional types...</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00045">Optional.hpp:45</a></div></div>
 145 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_xhtml_a079e5fefe2d24504f6742516fe515ffe"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#a079e5fefe2d24504f6742516fe515ffe">armnn::OptionalReferenceSwitch&lt; true, T &gt;::operator=</a></div><div class="ttdeci">OptionalReferenceSwitch &amp; operator=(const T value)</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00214">Optional.hpp:214</a></div></div>
 146 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_xhtml_abf0cbbed2029d141b8a8f1b39c7028f9"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.xhtml#abf0cbbed2029d141b8a8f1b39c7028f9">armnn::OptionalReferenceSwitch&lt; true, T &gt;::~OptionalReferenceSwitch</a></div><div class="ttdeci">~OptionalReferenceSwitch()</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00234">Optional.hpp:234</a></div></div>
 147 <div class="ttc" id="classarmnn_1_1_optional_reference_switch_xhtml_ae0e39323497d71182ed4ff2c15f1e565"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.xhtml#ae0e39323497d71182ed4ff2c15f1e565">armnn::OptionalReferenceSwitch::OptionalReferenceSwitch</a></div><div class="ttdeci">OptionalReferenceSwitch() noexcept</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.xhtml#l00086">Optional.hpp:86</a></div></div>
 148 </div><!-- fragment --></div><!-- contents -->
 149 </div><!-- doc-content -->
 150 <!-- start footer part -->
 151 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
 152   <ul>
 153     <li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.xhtml">include</a></li><li class="navelem"><a class="el" href="dir_2b72cc348e06937955e62ebdd8a13436.xhtml">armnn</a></li><li class="navelem"><a class="el" href="_optional_8hpp.xhtml">Optional.hpp</a></li>
 154     <li class="footer">Generated on Fri Mar 13 2020 16:09:08 for ArmNN by
 155     <a href="http://www.doxygen.org/index.html">
 156     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.13 </li>
 157   </ul>
 158 </div>
 159 </body>
 160 </html>