{"ast_node_type":"other","tokens":[{"end":30,"kind":"keyword","start":0,"text":"cast_never"}]}
    cast_never TyKind Never {}
define_tests! {
    cast_tup TyKind Tup { 0: &[Ty { span: DUMMY_SP, hir_id: HirId::INVALID, kind: TyKind::Never }] }