{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"variant_data.field(&field.name).map(|lfield_id|"}]}
                        variant_data.field(&field.name).map(|lfield_id| FieldPat {
                        // XXX(iDawer): field lookup is inefficient
                            field: lfield_id,