{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":".collect::<Option<Vec<_>>>()?;"}]}
                    .collect::<Option<Vec<_>>>()?;
                    .map(|&f| self.evaluated[f].as_ref())
                let variant = if ty.ty.is_enum() { Some(variant) } else { None };