{"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"//"}]}
            // Why pass `true` for `force_full_expr`? Statement expressions are less expressive
        if let Some(stmt) = self.eat_metavar_seq(MetaVarKind::Stmt, |this| {
            // than "full" expressions, due to the `STMT_EXPR` restriction, and sometimes need