{"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"Unnamed(fields,"}]}
        Unnamed(fields, IsTuple::Yes) => {
        Unnamed(_, IsTuple::No) => cx.expr_ident(trait_span, substr.type_ident),
            let exprs = fields.iter().map(|sp| default_call(cx, *sp)).collect();