nce/try_catch.html">try_catch</a></span>(<span class="dt">expr =</span> <span class="dv">2</span> <span class="op">+</span><span class="st"> </span><span class="dv">2</span> , </a>
<a class="sourceLine" id="cb10-17" title="17">          <span class="dt">.f =</span> <span class="op">~</span><span class="st"> </span><span class="kw">print</span>(<span class="st">"Using R for addition... ok I'm out!"</span>))</a>
<a class="sourceLine" id="cb10-18" title="18"><span class="co"># [1] "Using R for addition... ok I