{"ast_node_type":"other","tokens":[{"end":47,"kind":"keyword","start":0,"text":".map(|(&ident,"}]}
                .map(|(&ident, selflike_arg)| {
            let discr_let_stmts: ThinVec<_> = iter::zip(&discr_idents, &selflike_args)
                    let variant_value = deriving::call_intrinsic(