tml" class="external-link">c</a></span><span class="op">(</span><span class="fl">1</span>,<span class="fl">1</span>,<span class="fl">1</span><span class="op">)</span><span class="op">)</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="va">bv3</span> <span class="op">&lt;-</span> <span class="fu">concat</span><span class="op">(</span><span class="va">bv1</span>,<span class="va">bv2</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="fu"><a hre