>T t(a<sub>0</sub>,...a<sub>n</sub>)</code>.
          </p>
<p>
            Note: <code class="computeroutput"><a class="link" href="expr.html" title="Struct template expr">proto::expr&lt;&gt;</a></code> and
            <code class="computeroutput"><a class="link" href="basic_expr.html" title="Struct template basic_expr">proto::basic_expr&lt;&gt;</a></code>are aggregates.
          </p>
</div>
</div>
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