pha">
<li><p>The <code>LHS := RHS</code> form</p>
<div class="sourceCode" id="cb4"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true"></a>DT[, <span class="kw">c</span>(<span class="st">&quot;colA&quot;</span>, <span class="st">&quot;colB&quot;</span>, ...) <span class="op">:</span><span class="er">=</span><span class="st"> </span><span class="kw">list</span>(valA, valB, ...)]</span>
<span id="cb4-2"><a href="#cb4-2" aria-hidden="true"></a></span>
<span