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<div class="title">Optional.hpp</div> </div>
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<a href="_optional_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>&#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.html">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;</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;</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;</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;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacearmnn.html">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;</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.html"> 32</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structarmnn_1_1_empty_optional.html">EmptyOptional</a> {};</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;</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.html"> 36</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structarmnn_1_1_construct_in_place.html">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.html">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.html#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;</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.html"> 45</a></span>&#160;<span class="keyword">class </span><a class="code" href="classarmnn_1_1_optional_base.html">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.html#ac2bde2f7113f72440ad3638eeb4d06f6"> 48</a></span>&#160; <a class="code" href="classarmnn_1_1_optional_base.html#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.html#a86b749ce2c4bc627fa8a1fcfaf0e314f"> 53</a></span>&#160; <span class="keywordtype">bool</span> <a class="code" href="classarmnn_1_1_optional_base.html#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;</div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_base.html#a420e60e9788bfa3b52aa3aab72ea3a5e"> 61</a></span>&#160; <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.html#a50b53f38c96fdf12c90890d2dfbb8719"> 67</a></span>&#160; <a class="code" href="classarmnn_1_1_optional_base.html#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.html#a53e87efb7e1b2df3dc4420dafaf2ee7e"> 72</a></span>&#160; <span class="keywordtype">bool</span> <a class="code" href="classarmnn_1_1_optional_base.html#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;</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="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.html"> 81</a></span>&#160;<span class="keyword">class </span><a class="code" href="classarmnn_1_1_optional_reference_switch.html">OptionalReferenceSwitch</a> : <span class="keyword">public</span> <a class="code" href="classarmnn_1_1_optional_base.html">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.html#a13da864f1d4a5e3957ba70473f8fbf8d"> 84</a></span>&#160; <span class="keyword">using</span> <a class="code" href="classarmnn_1_1_optional_base.html">Base</a> = <a class="code" href="classarmnn_1_1_optional_base.html">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.html#ae0e39323497d71182ed4ff2c15f1e565"> 86</a></span>&#160; <a class="code" href="classarmnn_1_1_optional_reference_switch.html#ae0e39323497d71182ed4ff2c15f1e565">OptionalReferenceSwitch</a>() noexcept : <a class="code" href="classarmnn_1_1_optional_base.html">Base</a>{} {}</div><div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional_reference_switch.html#a13961a32b21df02dad8c66e11995f006"> 87</a></span>&#160; <a class="code" href="classarmnn_1_1_optional_reference_switch.html#a13961a32b21df02dad8c66e11995f006">OptionalReferenceSwitch</a>(<a class="code" href="structarmnn_1_1_empty_optional.html">EmptyOptional</a>) noexcept : <a class="code" href="classarmnn_1_1_optional_base.html">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.html#a6beefcffe9bf038690c90acd176c2263"> 89</a></span>&#160; <a class="code" href="classarmnn_1_1_optional_reference_switch.html#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.html">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.html#a4f012dc9cb58d868dc77bb3b4ba3a76d"> 96</a></span>&#160; <a class="code" href="classarmnn_1_1_optional_reference_switch.html#a4f012dc9cb58d868dc77bb3b4ba3a76d">OptionalReferenceSwitch</a>(<a class="code" href="structarmnn_1_1_construct_in_place.html">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.html">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.html#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.html#a66ffe2beacf3f0e66c2ccb21fcfba30f"> 102</a></span>&#160; 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<a class="code" href="classarmnn_1_1_optional_reference_switch.html#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.html#afcdbef8eae7fb1de8ea387da20dd369c"> 115</a></span>&#160; <a class="code" href="classarmnn_1_1_optional_reference_switch.html">OptionalReferenceSwitch</a>&amp; <a class="code" href="classarmnn_1_1_optional_reference_switch.html#afcdbef8eae7fb1de8ea387da20dd369c">operator=</a>(<span class="keyword">const</span> <a class="code" href="classarmnn_1_1_optional_reference_switch.html">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.html#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.html#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.html#affce7d7dd75fd7b406f5112bd54ac7d8"> 126</a></span>&#160; <a class="code" href="classarmnn_1_1_optional_reference_switch.html">OptionalReferenceSwitch</a>&amp; <a class="code" href="classarmnn_1_1_optional_reference_switch.html#affce7d7dd75fd7b406f5112bd54ac7d8">operator=</a>(<a class="code" href="structarmnn_1_1_empty_optional.html">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.html#abf0cbbed2029d141b8a8f1b39c7028f9"> 132</a></span>&#160; <a class="code" href="classarmnn_1_1_optional_reference_switch.html#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.html#ad20897c5c8bd47f5d4005989bead0e55"> 137</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classarmnn_1_1_optional_reference_switch.html#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.html#a77c7d528ac063d870b8c8426ec81c1c3"> 146</a></span>&#160; <span class="keyword">const</span> T&amp; <a class="code" href="classarmnn_1_1_optional_reference_switch.html#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.html">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.html#a464298ad7afeafebbb149f566ecabbab"> 157</a></span>&#160; T&amp; <a class="code" href="classarmnn_1_1_optional_reference_switch.html#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.html">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.html">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;</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="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.html"> 191</a></span>&#160;<span class="keyword">class </span><a class="code" href="classarmnn_1_1_optional_reference_switch.html">OptionalReferenceSwitch</a>&lt;<a class="code" href="_cl_layer_tests_8cpp.html#a37f1c3ccc9fc906be85185350dd83d48">true</a>, T&gt; : <span class="keyword">public</span> <a class="code" href="classarmnn_1_1_optional_base.html">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.html#a13da864f1d4a5e3957ba70473f8fbf8d"> 194</a></span>&#160; <span class="keyword">using</span> <a class="code" href="classarmnn_1_1_optional_base.html">Base</a> = <a class="code" href="classarmnn_1_1_optional_base.html">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.html#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.html#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.html#ae0e39323497d71182ed4ff2c15f1e565"> 197</a></span>&#160; <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#ae0e39323497d71182ed4ff2c15f1e565">OptionalReferenceSwitch</a>() noexcept : <a class="code" href="classarmnn_1_1_optional_base.html">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.html#a13961a32b21df02dad8c66e11995f006"> 198</a></span>&#160; <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#a13961a32b21df02dad8c66e11995f006">OptionalReferenceSwitch</a>(<a class="code" href="structarmnn_1_1_empty_optional.html">EmptyOptional</a>) noexcept : <a class="code" href="classarmnn_1_1_optional_base.html">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.html#a66ffe2beacf3f0e66c2ccb21fcfba30f"> 200</a></span>&#160; <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#a66ffe2beacf3f0e66c2ccb21fcfba30f">OptionalReferenceSwitch</a>(<span class="keyword">const</span> <a class="code" href="classarmnn_1_1_optional_reference_switch.html">OptionalReferenceSwitch</a>&amp; other) : <a class="code" href="classarmnn_1_1_optional_base.html">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.html#a7f3f2d9ab25077e28a310bd9ca871556"> 205</a></span>&#160; <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#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.html">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.html">OptionalReferenceSwitch</a>(<a class="code" href="structarmnn_1_1_construct_in_place.html">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.html#a079e5fefe2d24504f6742516fe515ffe"> 214</a></span>&#160; <a class="code" href="classarmnn_1_1_optional_reference_switch.html">OptionalReferenceSwitch</a>&amp; <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#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.html#afcdbef8eae7fb1de8ea387da20dd369c"> 221</a></span>&#160; <a class="code" href="classarmnn_1_1_optional_reference_switch.html">OptionalReferenceSwitch</a>&amp; <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#afcdbef8eae7fb1de8ea387da20dd369c">operator=</a>(<span class="keyword">const</span> <a class="code" href="classarmnn_1_1_optional_reference_switch.html">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.html#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.html#affce7d7dd75fd7b406f5112bd54ac7d8"> 228</a></span>&#160; <a class="code" href="classarmnn_1_1_optional_reference_switch.html">OptionalReferenceSwitch</a>&amp; <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#affce7d7dd75fd7b406f5112bd54ac7d8">operator=</a>(<a class="code" href="structarmnn_1_1_empty_optional.html">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.html#abf0cbbed2029d141b8a8f1b39c7028f9"> 234</a></span>&#160; <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#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.html#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.html#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.html#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.html#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.html">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.html#a35cbddae445b41e7fca89827efecf90c"> 255</a></span>&#160; T <a class="code" href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#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.html">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.html#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.html"> 270</a></span>&#160;<span class="keyword">class </span><a class="code" href="classarmnn_1_1_optional.html">Optional</a> final : <span class="keyword">public</span> <a class="code" href="classarmnn_1_1_optional_reference_switch.html">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.html#ad10f4d634fc3080d680a3a7a004e098f"> 273</a></span>&#160; <span class="keyword">using</span> <a class="code" href="classarmnn_1_1_optional_reference_switch.html">BaseSwitch</a> = <a class="code" href="classarmnn_1_1_optional_reference_switch.html">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.html#a0ba66c8e63acad2362782737bdc1e50a"> 275</a></span>&#160; <a class="code" href="classarmnn_1_1_optional.html#a0ba66c8e63acad2362782737bdc1e50a">Optional</a>() noexcept : <a class="code" href="classarmnn_1_1_optional_reference_switch.html">BaseSwitch</a>{} {}</div><div class="line"><a name="l00276"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional.html#ad821ad3ce9685b41025f5f70481ec2d7"> 276</a></span>&#160; <a class="code" href="classarmnn_1_1_optional.html#ad821ad3ce9685b41025f5f70481ec2d7">Optional</a>(<span class="keyword">const</span> T&amp; value) : <a class="code" href="classarmnn_1_1_optional_reference_switch.html">BaseSwitch</a>{value} {}</div><div class="line"><a name="l00277"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional.html#a5569b19b8dc99204c286f32c2c979eb6"> 277</a></span>&#160; <a class="code" href="classarmnn_1_1_optional.html#a5569b19b8dc99204c286f32c2c979eb6">Optional</a>(<a class="code" href="structarmnn_1_1_empty_optional.html">EmptyOptional</a> empty) : <a class="code" href="classarmnn_1_1_optional_reference_switch.html">BaseSwitch</a>{empty} {}</div><div class="line"><a name="l00278"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional.html#ab71d669cf5dc14eb564c64345be02198"> 278</a></span>&#160; <a class="code" href="classarmnn_1_1_optional.html#ab71d669cf5dc14eb564c64345be02198">Optional</a>(<span class="keyword">const</span> <a class="code" href="classarmnn_1_1_optional.html">Optional</a>&amp; other) : <a class="code" href="classarmnn_1_1_optional_reference_switch.html">BaseSwitch</a>{other} {}</div><div class="line"><a name="l00279"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional.html#ad6bb5bce1d9fcc1ea1d672543c75db4e"> 279</a></span>&#160; <a class="code" href="classarmnn_1_1_optional.html#ad6bb5bce1d9fcc1ea1d672543c75db4e">Optional</a>(<span class="keyword">const</span> <a class="code" href="classarmnn_1_1_optional_reference_switch.html">BaseSwitch</a>&amp; other) : <a class="code" href="classarmnn_1_1_optional_reference_switch.html">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.html#a2e14620644d695df278fc6a84c8a63dc"> 282</a></span>&#160; <span class="keyword">explicit</span> <a class="code" href="classarmnn_1_1_optional.html#a2e14620644d695df278fc6a84c8a63dc">Optional</a>(<a class="code" href="structarmnn_1_1_construct_in_place.html">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.html">BaseSwitch</a>(<a class="code" href="_optional_8hpp.html#acbec11f88a308826fa811f370d363a4a">CONSTRUCT_IN_PLACE</a>, <a class="code" href="namespacestd.html">std</a>::forward&lt;Args&gt;(args)...) {}</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160;</div><div class="line"><a name="l00287"></a><span class="lineno"><a class="line" href="classarmnn_1_1_optional.html#aa68a881b2258017440f00f1bf3cd0e74"> 287</a></span>&#160; <span class="keywordtype">bool</span> <a class="code" href="classarmnn_1_1_optional.html#aa68a881b2258017440f00f1bf3cd0e74">operator==</a>(<span class="keyword">const</span> <a class="code" href="classarmnn_1_1_optional.html">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.html#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.html#a86b749ce2c4bc627fa8a1fcfaf0e314f">has_value</a>() &amp;&amp; this-&gt;value() == rhs.<a class="code" href="classarmnn_1_1_optional_reference_switch.html#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;</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="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.html#a77780137c47f528921f6537447060f05"> 304</a></span>&#160;<a class="code" href="classarmnn_1_1_optional.html">Optional&lt;T&gt;</a> <a class="code" href="namespacearmnn.html#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.html">Optional&lt;T&gt;</a>(<a class="code" href="_optional_8hpp.html#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_base_html_a50b53f38c96fdf12c90890d2dfbb8719"><div class="ttname"><a href="classarmnn_1_1_optional_base.html#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.html#l00067">Optional.hpp:67</a></div></div>
<div class="ttc" id="_exceptions_8hpp_html"><div class="ttname"><a href="_exceptions_8hpp.html">Exceptions.hpp</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_base_html_ac2bde2f7113f72440ad3638eeb4d06f6"><div class="ttname"><a href="classarmnn_1_1_optional_base.html#ac2bde2f7113f72440ad3638eeb4d06f6">armnn::OptionalBase::OptionalBase</a></div><div class="ttdeci">OptionalBase() noexcept</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00048">Optional.hpp:48</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_html_a2e14620644d695df278fc6a84c8a63dc"><div class="ttname"><a href="classarmnn_1_1_optional.html#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.html#l00282">Optional.hpp:282</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_html"><div class="ttname"><a href="classarmnn_1_1_optional.html">armnn::Optional</a></div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00270">Optional.hpp:270</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_html_abf0cbbed2029d141b8a8f1b39c7028f9"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.html#abf0cbbed2029d141b8a8f1b39c7028f9">armnn::OptionalReferenceSwitch::~OptionalReferenceSwitch</a></div><div class="ttdeci">~OptionalReferenceSwitch()</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00132">Optional.hpp:132</a></div></div>
<div class="ttc" id="_optional_8hpp_html_acbec11f88a308826fa811f370d363a4a"><div class="ttname"><a href="_optional_8hpp.html#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.html#l00041">Optional.hpp:41</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_html_a079e5fefe2d24504f6742516fe515ffe"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#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.html#l00214">Optional.hpp:214</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_html_a6beefcffe9bf038690c90acd176c2263"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.html#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.html#l00089">Optional.hpp:89</a></div></div>
<div class="ttc" id="namespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdef"><b>Definition:</b> <a href="_backend_id_8hpp_source.html#l00147">BackendId.hpp:147</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_html_a66ffe2beacf3f0e66c2ccb21fcfba30f"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#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.html#l00200">Optional.hpp:200</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_html_abf0cbbed2029d141b8a8f1b39c7028f9"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#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.html#l00234">Optional.hpp:234</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_html_a4f012dc9cb58d868dc77bb3b4ba3a76d"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.html#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.html#l00096">Optional.hpp:96</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_html"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.html">armnn::OptionalReferenceSwitch</a></div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00081">Optional.hpp:81</a></div></div>
<div class="ttc" id="_cl_layer_tests_8cpp_html_a37f1c3ccc9fc906be85185350dd83d48"><div class="ttname"><a href="_cl_layer_tests_8cpp.html#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.html#l00176">ClLayerTests.cpp:176</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_html_affce7d7dd75fd7b406f5112bd54ac7d8"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.html#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.html#l00126">Optional.hpp:126</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_html_affce7d7dd75fd7b406f5112bd54ac7d8"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#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.html#l00228">Optional.hpp:228</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_html_a13961a32b21df02dad8c66e11995f006"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.html#a13961a32b21df02dad8c66e11995f006">armnn::OptionalReferenceSwitch::OptionalReferenceSwitch</a></div><div class="ttdeci">OptionalReferenceSwitch(EmptyOptional) noexcept</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00087">Optional.hpp:87</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_html_a7f3f2d9ab25077e28a310bd9ca871556"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#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.html#l00205">Optional.hpp:205</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_html_ae0e39323497d71182ed4ff2c15f1e565"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#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.html#l00197">Optional.hpp:197</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_html_a13961a32b21df02dad8c66e11995f006"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#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.html#l00198">Optional.hpp:198</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_html_ab657408af6365dc01548c8befa2011bf"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#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.html#l00245">Optional.hpp:245</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_html_a5569b19b8dc99204c286f32c2c979eb6"><div class="ttname"><a href="classarmnn_1_1_optional.html#a5569b19b8dc99204c286f32c2c979eb6">armnn::Optional::Optional</a></div><div class="ttdeci">Optional(EmptyOptional empty)</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00277">Optional.hpp:277</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_base_html_a53e87efb7e1b2df3dc4420dafaf2ee7e"><div class="ttname"><a href="classarmnn_1_1_optional_base.html#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.html#l00072">Optional.hpp:72</a></div></div>
<div class="ttc" id="structarmnn_1_1_construct_in_place_html"><div class="ttname"><a href="structarmnn_1_1_construct_in_place.html">armnn::ConstructInPlace</a></div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00036">Optional.hpp:36</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_html_a0ba66c8e63acad2362782737bdc1e50a"><div class="ttname"><a href="classarmnn_1_1_optional.html#a0ba66c8e63acad2362782737bdc1e50a">armnn::Optional::Optional</a></div><div class="ttdeci">Optional() noexcept</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00275">Optional.hpp:275</a></div></div>
<div class="ttc" id="structarmnn_1_1_empty_optional_html"><div class="ttname"><a href="structarmnn_1_1_empty_optional.html">armnn::EmptyOptional</a></div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00032">Optional.hpp:32</a></div></div>
<div class="ttc" id="namespacearmnn_html"><div class="ttname"><a href="namespacearmnn.html">armnn</a></div><div class="ttdef"><b>Definition:</b> <a href="_backend_helper_8hpp_source.html#l00011">BackendHelper.hpp:11</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_html_ab71d669cf5dc14eb564c64345be02198"><div class="ttname"><a href="classarmnn_1_1_optional.html#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.html#l00278">Optional.hpp:278</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_html_aa35457bd4f798de06bf5742117fbaf16"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#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.html#l00195">Optional.hpp:195</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_html_ad6bb5bce1d9fcc1ea1d672543c75db4e"><div class="ttname"><a href="classarmnn_1_1_optional.html#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.html#l00279">Optional.hpp:279</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_html_aa68a881b2258017440f00f1bf3cd0e74"><div class="ttname"><a href="classarmnn_1_1_optional.html#aa68a881b2258017440f00f1bf3cd0e74">armnn::Optional::operator==</a></div><div class="ttdeci">bool operator==(const Optional&lt; T &gt; &amp;rhs) const</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00287">Optional.hpp:287</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_html_ad20897c5c8bd47f5d4005989bead0e55"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#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.html#l00239">Optional.hpp:239</a></div></div>
<div class="ttc" id="namespacearmnn_html_a77780137c47f528921f6537447060f05"><div class="ttname"><a href="namespacearmnn.html#a77780137c47f528921f6537447060f05">armnn::MakeOptional</a></div><div class="ttdeci">Optional&lt; T &gt; MakeOptional(Args &amp;&amp;... args)</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00304">Optional.hpp:304</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_html_a66ffe2beacf3f0e66c2ccb21fcfba30f"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.html#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.html#l00102">Optional.hpp:102</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_base_html"><div class="ttname"><a href="classarmnn_1_1_optional_base.html">armnn::OptionalBase</a></div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00045">Optional.hpp:45</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_html_ad20897c5c8bd47f5d4005989bead0e55"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.html#ad20897c5c8bd47f5d4005989bead0e55">armnn::OptionalReferenceSwitch::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00137">Optional.hpp:137</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_html_abe5947e3f9acc0738b3ef2ee4cf3547d"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.html#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.html#l00108">Optional.hpp:108</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_html_ad821ad3ce9685b41025f5f70481ec2d7"><div class="ttname"><a href="classarmnn_1_1_optional.html#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.html#l00276">Optional.hpp:276</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_html_afcdbef8eae7fb1de8ea387da20dd369c"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#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.html#l00221">Optional.hpp:221</a></div></div>
<div class="ttc" id="classarmnn_1_1_bad_optional_access_exception_html"><div class="ttname"><a href="classarmnn_1_1_bad_optional_access_exception.html">armnn::BadOptionalAccessException</a></div><div class="ttdef"><b>Definition:</b> <a href="_exceptions_8hpp_source.html#l00115">Exceptions.hpp:115</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_html_a464298ad7afeafebbb149f566ecabbab"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.html#a464298ad7afeafebbb149f566ecabbab">armnn::OptionalReferenceSwitch::value</a></div><div class="ttdeci">T &amp; value()</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00157">Optional.hpp:157</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4_html_a35cbddae445b41e7fca89827efecf90c"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch_3_01true_00_01_t_01_4.html#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.html#l00255">Optional.hpp:255</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_html_ae0e39323497d71182ed4ff2c15f1e565"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.html#ae0e39323497d71182ed4ff2c15f1e565">armnn::OptionalReferenceSwitch::OptionalReferenceSwitch</a></div><div class="ttdeci">OptionalReferenceSwitch() noexcept</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00086">Optional.hpp:86</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_html_afcdbef8eae7fb1de8ea387da20dd369c"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.html#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.html#l00115">Optional.hpp:115</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_base_html_a86b749ce2c4bc627fa8a1fcfaf0e314f"><div class="ttname"><a href="classarmnn_1_1_optional_base.html#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.html#l00053">Optional.hpp:53</a></div></div>
<div class="ttc" id="classarmnn_1_1_optional_reference_switch_html_a77c7d528ac063d870b8c8426ec81c1c3"><div class="ttname"><a href="classarmnn_1_1_optional_reference_switch.html#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.html#l00146">Optional.hpp:146</a></div></div>
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