tchList(expr, names[-nh], parentenv, handlers[-nh]), names[nh], parentenv, handlers...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [04] doTryCatch(return(expr), name, parentenv, handler)</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [05] tryCatchList(expr, names[-nh], parentenv, handlers[-nh])</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [06] tryCatchOne(expr, names, parentenv, handlers[[1L]])</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [0