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<div class="title">std::experimental::fundamentals_v1::bad_optional_access Class Reference<div class="ingroups"><a class="el" href="a01517.html">Experimental</a> » <a class="el" href="a01518.html">Optional values</a><a class="el" href="a01467.html">Diagnostics</a> » | <a class="el" href="a01489.html">Exceptions</a></div></div> </div>
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Inheritance diagram for std::experimental::fundamentals_v1::bad_optional_access:</div>
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Public Member Functions</h2></td></tr>
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 </td><td class="memItemRight" valign="bottom"><b>bad_optional_access</b> (const char *__arg)</td></tr>
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<tr class="memitem:ae8b3821398a8d041bbfdf2c44c972569"><td class="memItemLeft" align="right" valign="top">virtual const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="a02787.html#ae8b3821398a8d041bbfdf2c44c972569">what</a> () const _GLIBCXX_TXN_SAFE_DYN noexcept</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Exception class thrown when a disengaged optional object is dereferenced. </p>
<p class="definition">Definition at line <a class="el" href="a01010_source.html#l00115">115</a> of file <a class="el" href="a01010_source.html">optional</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae8b3821398a8d041bbfdf2c44c972569">◆ </a></span>what()</h2>
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<td class="memname">virtual const char* std::logic_error::what </td>
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<span class="mlabels"><span class="mlabel">virtual</span><span class="mlabel">noexcept</span><span class="mlabel">inherited</span></span> </td>
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<p>Returns a C-style character string describing the general cause of the current error (the same string passed to the ctor). </p>
<p>Reimplemented from <a class="el" href="a01489.html#gab115ebeb6ac845ab4f4336617ad33165">std::exception</a>.</p>
<p>Reimplemented in <a class="el" href="a02231.html#a95833ed17fb6f056709e29abdc50f50c">std::future_error</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="a01010_source.html">optional</a></li>
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<li class="navelem"><a class="el" href="a01541.html">std</a></li><li class="navelem"><b>experimental</b></li><li class="navelem"><b>fundamentals_v1</b></li><li class="navelem"><a class="el" href="a10003.html">bad_optional_access</a></li>
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