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<a href="#pub-types">Public Types</a> &#124;
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<div class="title">Optional&lt; T &gt; Class Template Reference<span class="mlabels"><span class="mlabel">final</span></span></div> </div>
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<p><code>#include &lt;<a class="el" href="_optional_8hpp_source.html">Optional.hpp</a>&gt;</code></p>
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Inheritance diagram for Optional&lt; T &gt;:</div>
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Public Types</h2></td></tr>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a2e14620644d695df278fc6a84c8a63dc"><td class="memTemplParams" colspan="2">template&lt;class... Args&gt; </td></tr>
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<tr class="memitem:ad20897c5c8bd47f5d4005989bead0e55 inherit pub_methods_classarmnn_1_1_optional_reference_switch"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarmnn_1_1_optional_reference_switch.html#ad20897c5c8bd47f5d4005989bead0e55">reset</a> ()</td></tr>
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<tr class="memitem:a77c7d528ac063d870b8c8426ec81c1c3 inherit pub_methods_classarmnn_1_1_optional_reference_switch"><td class="memItemLeft" align="right" valign="top">const T &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarmnn_1_1_optional_reference_switch.html#a77c7d528ac063d870b8c8426ec81c1c3">value</a> () const</td></tr>
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<tr class="memitem:ac2bde2f7113f72440ad3638eeb4d06f6 inherit pub_methods_classarmnn_1_1_optional_base"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarmnn_1_1_optional_base.html#ac2bde2f7113f72440ad3638eeb4d06f6">OptionalBase</a> () noexcept</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pro_methods_classarmnn_1_1_optional_base"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_classarmnn_1_1_optional_base')"><img src="closed.png" alt="-"/>&#160;Protected Member Functions inherited from <a class="el" href="classarmnn_1_1_optional_base.html">OptionalBase</a></td></tr>
<tr class="memitem:a50b53f38c96fdf12c90890d2dfbb8719 inherit pro_methods_classarmnn_1_1_optional_base"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarmnn_1_1_optional_base.html#a50b53f38c96fdf12c90890d2dfbb8719">OptionalBase</a> (bool hasValue) noexcept</td></tr>
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<tr class="inherit_header pro_attribs_classarmnn_1_1_optional_base"><td colspan="2" onclick="javascript:toggleInherit('pro_attribs_classarmnn_1_1_optional_base')"><img src="closed.png" alt="-"/>&#160;Protected Attributes inherited from <a class="el" href="classarmnn_1_1_optional_base.html">OptionalBase</a></td></tr>
<tr class="memitem:a53e87efb7e1b2df3dc4420dafaf2ee7e inherit pro_attribs_classarmnn_1_1_optional_base"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarmnn_1_1_optional_base.html#a53e87efb7e1b2df3dc4420dafaf2ee7e">m_HasValue</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template&lt;typename T&gt;<br />
class armnn::Optional&lt; T &gt;</h3>
<p class="definition">Definition at line <a class="el" href="_optional_8hpp_source.html#l00270">270</a> of file <a class="el" href="_optional_8hpp_source.html">Optional.hpp</a>.</p>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
<a id="ad10f4d634fc3080d680a3a7a004e098f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad10f4d634fc3080d680a3a7a004e098f">&#9670;&nbsp;</a></span>BaseSwitch</h2>
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<td class="memname">using <a class="el" href="classarmnn_1_1_optional.html#ad10f4d634fc3080d680a3a7a004e098f">BaseSwitch</a> = <a class="el" href="classarmnn_1_1_optional_reference_switch.html">OptionalReferenceSwitch</a>&lt;std::is_reference&lt;T&gt;::<a class="el" href="classarmnn_1_1_optional_reference_switch.html#a77c7d528ac063d870b8c8426ec81c1c3">value</a>, T&gt;</td>
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<p class="definition">Definition at line <a class="el" href="_optional_8hpp_source.html#l00273">273</a> of file <a class="el" href="_optional_8hpp_source.html">Optional.hpp</a>.</p>
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<h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<p class="definition">Definition at line <a class="el" href="_optional_8hpp_source.html#l00275">275</a> of file <a class="el" href="_optional_8hpp_source.html">Optional.hpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160;: <a class="code" href="classarmnn_1_1_optional.html#ad10f4d634fc3080d680a3a7a004e098f">BaseSwitch</a>{} {}</div><div class="ttc" id="classarmnn_1_1_optional_html_ad10f4d634fc3080d680a3a7a004e098f"><div class="ttname"><a href="classarmnn_1_1_optional.html#ad10f4d634fc3080d680a3a7a004e098f">armnn::Optional::BaseSwitch</a></div><div class="ttdeci">OptionalReferenceSwitch&lt; std::is_reference&lt; T &gt;::value, T &gt; BaseSwitch</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00273">Optional.hpp:273</a></div></div>
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<p class="definition">Definition at line <a class="el" href="_optional_8hpp_source.html#l00276">276</a> of file <a class="el" href="_optional_8hpp_source.html">Optional.hpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160;: <a class="code" href="classarmnn_1_1_optional.html#ad10f4d634fc3080d680a3a7a004e098f">BaseSwitch</a>{<a class="code" href="classarmnn_1_1_optional_reference_switch.html#a77c7d528ac063d870b8c8426ec81c1c3">value</a>} {}</div><div class="ttc" id="classarmnn_1_1_optional_html_ad10f4d634fc3080d680a3a7a004e098f"><div class="ttname"><a href="classarmnn_1_1_optional.html#ad10f4d634fc3080d680a3a7a004e098f">armnn::Optional::BaseSwitch</a></div><div class="ttdeci">OptionalReferenceSwitch&lt; std::is_reference&lt; T &gt;::value, T &gt; BaseSwitch</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00273">Optional.hpp:273</a></div></div>
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<p class="definition">Definition at line <a class="el" href="_optional_8hpp_source.html#l00277">277</a> of file <a class="el" href="_optional_8hpp_source.html">Optional.hpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160;: <a class="code" href="classarmnn_1_1_optional.html#ad10f4d634fc3080d680a3a7a004e098f">BaseSwitch</a>{empty} {}</div><div class="ttc" id="classarmnn_1_1_optional_html_ad10f4d634fc3080d680a3a7a004e098f"><div class="ttname"><a href="classarmnn_1_1_optional.html#ad10f4d634fc3080d680a3a7a004e098f">armnn::Optional::BaseSwitch</a></div><div class="ttdeci">OptionalReferenceSwitch&lt; std::is_reference&lt; T &gt;::value, T &gt; BaseSwitch</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00273">Optional.hpp:273</a></div></div>
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<td class="memname"><a class="el" href="classarmnn_1_1_optional.html">Optional</a> </td>
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<p class="definition">Definition at line <a class="el" href="_optional_8hpp_source.html#l00278">278</a> of file <a class="el" href="_optional_8hpp_source.html">Optional.hpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160;: <a class="code" href="classarmnn_1_1_optional.html#ad10f4d634fc3080d680a3a7a004e098f">BaseSwitch</a>{other} {}</div><div class="ttc" id="classarmnn_1_1_optional_html_ad10f4d634fc3080d680a3a7a004e098f"><div class="ttname"><a href="classarmnn_1_1_optional.html#ad10f4d634fc3080d680a3a7a004e098f">armnn::Optional::BaseSwitch</a></div><div class="ttdeci">OptionalReferenceSwitch&lt; std::is_reference&lt; T &gt;::value, T &gt; BaseSwitch</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00273">Optional.hpp:273</a></div></div>
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<p class="definition">Definition at line <a class="el" href="_optional_8hpp_source.html#l00279">279</a> of file <a class="el" href="_optional_8hpp_source.html">Optional.hpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160;: <a class="code" href="classarmnn_1_1_optional.html#ad10f4d634fc3080d680a3a7a004e098f">BaseSwitch</a>{other} {}</div><div class="ttc" id="classarmnn_1_1_optional_html_ad10f4d634fc3080d680a3a7a004e098f"><div class="ttname"><a href="classarmnn_1_1_optional.html#ad10f4d634fc3080d680a3a7a004e098f">armnn::Optional::BaseSwitch</a></div><div class="ttdeci">OptionalReferenceSwitch&lt; std::is_reference&lt; T &gt;::value, T &gt; BaseSwitch</div><div class="ttdef"><b>Definition:</b> <a href="_optional_8hpp_source.html#l00273">Optional.hpp:273</a></div></div>
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<p class="definition">Definition at line <a class="el" href="_optional_8hpp_source.html#l00282">282</a> of file <a class="el" href="_optional_8hpp_source.html">Optional.hpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; :</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; <a class="code" href="classarmnn_1_1_optional.html#ad10f4d634fc3080d680a3a7a004e098f">BaseSwitch</a>(<a class="code" href="_optional_8hpp.html#acbec11f88a308826fa811f370d363a4a">CONSTRUCT_IN_PLACE</a>, std::forward&lt;Args&gt;(args)...) {}</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>
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<h2 class="groupheader">Member Function Documentation</h2>
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<p>Two optionals are considered equal if they are both empty or both contain values which themselves are considered equal (via their own == operator). </p>
<p class="definition">Definition at line <a class="el" href="_optional_8hpp_source.html#l00287">287</a> of file <a class="el" href="_optional_8hpp_source.html">Optional.hpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; {</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; <span class="keywordflow">if</span> (!this-&gt;<a class="code" href="classarmnn_1_1_optional_base.html#a86b749ce2c4bc627fa8a1fcfaf0e314f">has_value</a>() &amp;&amp; !rhs.has_value())</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;<a class="code" href="classarmnn_1_1_optional_base.html#a86b749ce2c4bc627fa8a1fcfaf0e314f">has_value</a>() &amp;&amp; rhs.has_value() &amp;&amp; this-&gt;<a class="code" href="classarmnn_1_1_optional_reference_switch.html#a77c7d528ac063d870b8c8426ec81c1c3">value</a>() == rhs.value())</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="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>
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