{"ast_node_type":"variable","tokens":[{"end":43,"kind":"keyword","start":0,"text":"let"}]}
            let (a, b, imm8) = match args {
            // https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm256_permute2f128_pd
                [a, b, imm8] => (a, b, imm8),