{"ast_node_type":"other","tokens":[{"end":16,"kind":"keyword","start":0,"text":")"}]}
) -> V::Result {
    FieldDef { hir_id, ident, ty, default, span: _, vis_span: _, def_id: _, safety: _ }: &'v FieldDef<'v>,
    try_visit!(visitor.visit_id(*hir_id));