class="symbol">.</span><span class="identifier">bindRows</span><span class="symbol">(</span><span class="symbol">)</span><span class="symbol">: </span><a href="../-data-frame/index.html"><span class="identifier">DataFrame</span></a></code></td>
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<h4><a href="concat.html">concat</a></h4>
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<p>Vectorized string concatenation.</p>
<code><span class="keyword">infix</span> <span class="keyword">fun </span><a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-list/index