{"ast_node_type":"function","tokens":[{"end":92,"kind":"keyword","start":0,"text":"//"}]}
                            // FIXME: properly type (e.g. usize and fn pointers) the fields.
                            tcx.lifetimes.re_static,
                            Ty::new_array(tcx, tcx.types.usize, min_count.try_into().unwrap()),