tch(expr, error = function(e) {</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [33] tryCatchList(expr, classes, parentenv, handlers)</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [34] tryCatchOne(expr, names, parentenv, handlers[[1L]])</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [35] doTryCatch(return(expr), name, parentenv, handler)</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [36] withCallingHandlers(withVisible(eval_with_user_handlers(expr