{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"self.with_rib(ValueNS,"}]}
        self.with_rib(ValueNS, RibKind::FnOrCoroutine, |this| {
        let Some(body) = &delegation.body else { return };
            let span = delegation.path.segments.last().unwrap().ident.span;