{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"//"}]}
        // We cannot just match on `ExprKind::Underscore` as `(_)` is represented as
    fn lower_array_length_to_const_arg(&mut self, c: &AnonConst) -> &'hir hir::ConstArg<'hir> {
        // `ExprKind::Paren(ExprKind::Underscore)` and should also be lowered to `GenericArg::Infer`