{"ast_node_type":"variable","tokens":[{"end":89,"kind":"keyword","start":0,"text":"let"}]}
                let operands = operands.iter().map(|op| op.stable(tables, cx)).collect();
            Aggregate(agg_kind, operands) => {
                crate::mir::Rvalue::Aggregate(agg_kind.stable(tables, cx), operands)