" class="api-reference"><code>explicit basic_outcome(concepts::value_or_error&lt;T, E&gt; &amp;&amp;)</code></a>

constructors will explicitly construct from any type matching the <a href="../../../reference/types/basic_result/explicit_valueorerror_converting_constructor.html" class="api-reference"><code>concepts::value_or_error&lt;T, E&gt;</code></a>

concept, which includes <code>std::expected&lt;A, B&gt;</code>, if <code>A</code> is constructible to <code>X</code>, and <code>B</code> is
constructible to 