n class="kw">matrix</span>(<span class="dv">1</span><span class="op">:</span><span class="dv">3</span>, <span class="dt">nrow =</span> <span class="dv">2</span>), <span class="dt">.w =</span> <span class="op">~</span><span class="st"> </span><span class="kw">print</span>(<span class="st">"warning"</span>))</a>
<a class="sourceLine" id="cb12-2" title="2"><span class="co"># [1] "warning"</span></a></code></pre></div>
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