rdply</a></span><span class="op">(</span><span class="fl">3</span>, <span class="fu"><a href="https://rdrr.io/r/base/rep.html" class="external-link">rep</a></span><span class="op">(</span><span class="st">'X'</span>,<span class="fl">4</span><span class="op">)</span><span class="op">)</span><span class="op">[</span> ,<span class="op">-</span><span class="fl">1</span><span class="op">]</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="fu">zipFastener</span><spa