Struct default_domain">proto::default_domain</a></code></code>.
          </p>
<p>
            See <code class="computeroutput"><code class="computeroutput"><a class="link" href="domain/as_child.html" title="Struct template as_child">proto::domain::as_child</a></code>&lt;&gt;</code>
            for a complete description of this function's default behavior.
          </p>
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