{"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"sym::size_of_val"}]}
        sym::size_of_val | sym::align_of_val => {
        sym::size_of | sym::align_of | sym::variant_count => (1, 0, vec![], tcx.types.usize),
            (1, 0, vec![Ty::new_imm_ptr(tcx, param(0))], tcx.types.usize)