{"ast_node_type":"variable","tokens":[{"end":67,"kind":"keyword","start":0,"text":"let"}]}
                    let (error, at_least) = match comparison_kind {
                if let Some(&actual_reuse) = data.actual_reuse.get(cgu_name) {
                        ComparisonKind::Exact => (expected_reuse != actual_reuse, false),