{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"compute_match_usefulness(arms.as_slice(),"}]}
    compute_match_usefulness(arms.as_slice(), ty, PlaceValidity::ValidOnly, complexity_limit, false)
        patterns.iter().map(|pat| MatchArm { pat, has_guard: false, arm_data: () }).collect();
        .map(|_report| ())