{"ast_node_type":"variable","tokens":[{"end":38,"kind":"keyword","start":0,"text":"let"}]}
    let b = u16x4::from([0, 3, 2, 5]);
    let a = u16x4::from([1, 2, 3, 4]);
    let e = u16x4::from([1, 3, 0, 2]);