pan class="kwd">delegate</span><span class="pun">(</span><a href="../../../dopt/core/ops/Operation.html"><span class="typ">Operation</span></a><span class="pun">)</span></code></td><td>A projection operation that can enforce some constraint
</td></tr><tr><td><a href="../../../dopt/nnet/parameters/Parameter.symbol.html" class="[&quot;public&quot;]"><code>symbol</code></a></td><td class="typecol"><code class="prettyprint lang-d"><a href="../../../dopt/core/ops/Operation.html"><span class="typ">Operation</span