{"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"Ok(alloc)"}]}
                            Ok(alloc) => {
                        match self.tcx.const_eval_poly_to_alloc(item.owner_id.def_id.into()) {
                                let alloc = self.tcx.global_alloc(alloc.alloc_id).unwrap_memory();