{"ast_node_type":"variable","tokens":[{"end":74,"kind":"keyword","start":0,"text":"let"}]}
            let max_lsb = bcx.ins().iconst(types::I64, max as u64 as i64);
            let max = i128::MAX as u128;
            let max_msb = bcx.ins().iconst(types::I64, (max >> 64) as u64 as i64);