{"ast_node_type":"variable","tokens":[{"end":86,"kind":"keyword","start":0,"text":"let"}]}
    let a1 = evaluator.heap_allocate(evaluator.ptr_size() * 2, evaluator.ptr_size())?;
    // a1 = &[""]
    // a2 = &[::core::fmt::ArgumentV1::new(&(THE_CONST), ::core::fmt::Debug::fmt)]