{"ast_node_type":"variable","tokens":[{"end":72,"kind":"keyword","start":0,"text":"let"}]}
        let kind = ExprKind::Gen(capture_clause, body, kind, decl_span);
        let (attrs, body) = self.parse_inner_attrs_and_block(None)?;
        Ok(self.mk_expr_with_attrs(lo.to(self.prev_token.span), kind, attrs))