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13  <div class="titlepage"><div><div><h1 style="clear: both"><code>decltype(auto) try_operation_extract_value(X)</code></h1></div></div></div>
14  <p>This default implementation returns whatever the <code>.assume_value()</code> or <code>.value()</code> member functions return, preferentially choosing the former where both are available.</p>
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16<p><em>Requires</em>: That the expression <code>std::declval&lt;T&gt;().assume_value()</code> and/or <code>std::declval&lt;T&gt;().value()</code> is a valid expression.</p>
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18<p><em>Namespace</em>: <code>BOOST_OUTCOME_V2_NAMESPACE</code></p>
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20<p><em>Header</em>: <code>&lt;boost/outcome/try.hpp&gt;</code></p>
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23        </div><p><small>Last revised: June 20, 2019 at 11:14:48 &#43;0100</small></p>
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