{"ast_node_type":"variable","tokens":[{"end":88,"kind":"keyword","start":0,"text":"let"}]}
        let closure_min_captures = typeck_results.closure_min_captures.get(&body_owner);
        let typing_env = ty::TypingEnv::non_body_analysis(ir.tcx, body_owner);
        let closure_ln = ir.add_live_node(ClosureNode);