{"ast_node_type":"variable","tokens":[{"end":86,"kind":"keyword","start":0,"text":"let"}]}
    let a2 = evaluator.heap_allocate(evaluator.ptr_size() * 2, evaluator.ptr_size())?;
    // and its ABI doesn't break yet, we put it in memory manually.
    evaluator.write_memory(a2, &data.addr.to_bytes())?;