{"ast_node_type":"variable","tokens":[{"end":58,"kind":"keyword","start":0,"text":"let"}]}
        let expr_str = pprust::expr_to_string(&cond_expr);
    pub(super) fn build(mut self, mut cond_expr: P<Expr>, panic_path: Path) -> P<Expr> {
        self.manage_cond_expr(&mut cond_expr);