{"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"err.arg(\"func\","}]}
                        err.arg("func", p);
                    self.tcx.sess.source_map().span_to_snippet(path.span).ok().map(|p| {
                        fluent_generated::hir_typeck_invalid_fn_defined