ackages/base/topics/unlink'>unlink</a></span>(<span class='st'>"iris_safer_2.txt"</span>) <span class='kw'>==</span> <span class='fl'>0</span>
)</div><div class='output co'>#&gt; [1] TRUE</div><div class='input'>
<span class='co'># asymmetric case:</span>
<span class='no'>alice</span> <span class='kw'>&lt;-</span> <span class='fu'>keypair</span>()
<span class='no'>bob</span>   <span class='kw'>&lt;-</span> <span class='fu'>keypair</span>()
<span class='fu'><a href='https://www.rdocumentation.org/packages/ba