{"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":"self.ty(span,"}]}
        self.ty(span, hir::TyKind::Tup(tys))
    fn ty_tup(&mut self, span: Span, tys: &'hir [hir::Ty<'hir>]) -> hir::Ty<'hir> {
    }