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  <div class="titlepage"><div><div><h1 style="clear: both">value_or_error Concept</h1></div></div></div>
  

<p>Something not really mentioned until now is how Outcome interoperates with the proposed

<a href="https://wg21.link/P0323" class="api-reference" target="_blank"><i class="fa fa-book" aria-hidden="true"></i> P0323 <code>std::expected&lt;T, E&gt;</code></a>
, whose design lands in between <a href="../../../reference/aliases/unchecked.html" class="api-reference"><code>unchecked&lt;T, 