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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">std::exception Class Reference<div class="ingroups"><a class="el" href="a01416.html">Diagnostics</a> » <a class="el" href="a01418.html">Exceptions</a></div></div> </div>
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Inheritance diagram for std::exception:</div>
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Public Member Functions</h2></td></tr>
<tr class="memitem:a13ea7bcad59eab4379990a7322b17672"><td class="memItemLeft" align="right" valign="top">virtual const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01593.html#a13ea7bcad59eab4379990a7322b17672">what</a> () const noexcept</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Base class for all library exceptions. </p>
<p>This is the base class for all exceptions thrown by the standard library, and by certain language expressions. You are free to derive your own exception classes, or use a different hierarchy, or to throw non-class data (e.g., fundamental types). </p>
<p class="definition">Definition at line <a class="el" href="a00020_source.html#l00059">59</a> of file <a class="el" href="a00020_source.html">exception</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a13ea7bcad59eab4379990a7322b17672">◆ </a></span>what()</h2>
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<td class="memname">virtual const char* std::exception::what </td>
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<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>Returns a C-style character string describing the general cause of the current error. </p>
<p>Reimplemented in <a class="el" href="a02569.html#adc08d09b07e62fe8943fdda5ab8f56af">std::bad_function_call</a>, <a class="el" href="a05213.html#a7ab1e57574a1dff9cdf603041cbe628a">std::ios_base::failure</a>, <a class="el" href="a03225.html#a45f5b9c4b7141ac429bf6ea99a7ff6bf">std::runtime_error</a>, <a class="el" href="a01625.html#ad423bab305d43240e9798c55778ca199">std::bad_typeid</a>, <a class="el" href="a01621.html#a06dd9ba98e54d468ba243e7354c52714">std::bad_cast</a>, <a class="el" href="a03205.html#af5a397ba77e968fba6aca8cc6c77b171">std::logic_error</a>, <a class="el" href="a02653.html#a95833ed17fb6f056709e29abdc50f50c">std::future_error</a>, <a class="el" href="a01597.html#a01e2c7a741b840a9ea27789d50e9d65c">std::bad_exception</a>, <a class="el" href="a06121.html#adfea1fffacfb8c9c39f374e16ec7315c">std::bad_weak_ptr</a>, <a class="el" href="a08697.html#a1304de0136b22b9b0949cd329de37d9e">std::experimental::fundamentals_v1::bad_any_cast</a>, and <a class="el" href="a01605.html#a3559b1691d8a8138d5fb7aa79ac06cbe">std::bad_alloc</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="a00020_source.html">exception</a></li>
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