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- <div class="titlepage"><div><div><h1 style="clear: both"><code>const error_type &&error() const &&</code></h1></div></div></div>
- <p>Wide contract const rvalue reference observer of the stored error. <code>NoValuePolicy::wide_error_check()</code> is first invoked, then the reference to the error is returned. As a valid default constructed error is always present, no undefined behaviour occurs if <code>NoValuePolicy::wide_error_check()</code> returns.</p>
- <p>Note that if <code>error_type</code> is <code>void</code>, only a <code>const</code> overload returning <code>void</code> is present.</p>
- <p><em>Requires</em>: Always available.</p>
- <p><em>Complexity</em>: Depends on <code>NoValuePolicy::wide_error_check()</code>.</p>
- <p><em>Guarantees</em>: None.</p>
- </div><p><small>Last revised: February 12, 2019 at 16:36:24 UTC</small></p>
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