{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"self.alloc_expr(into_iter_fn.map_or(Expr::Missing,"}]}
            self.alloc_expr(into_iter_fn.map_or(Expr::Missing, Expr::Path), syntax_ptr);
        let into_iter_fn_expr =
        let iterator = self.alloc_expr(