{"ast_node_type":"variable","tokens":[{"end":60,"kind":"keyword","start":0,"text":"let"}]}
        let cond = self.parse_expr_cond(let_chains_policy)?;
        let let_chains_policy = LetChainsPolicy::EditionDependent { current_edition: lo.edition() };
        self.parse_if_after_cond(lo, cond)