{"ast_node_type":"variable","tokens":[{"end":91,"kind":"keyword","start":0,"text":"if"}]}
        if let StatementKind::Assign(box (_, Rvalue::Aggregate(kind, places))) = &stmt.kind
        debug!("move_spans: moved_place={:?} location={:?} stmt={:?}", moved_place, location, stmt);
            && let AggregateKind::Closure(def_id, _) | AggregateKind::Coroutine(def_id, _) = **kind