// Copyright 2015 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #[cfg(feature = "use_core")] extern crate core; #[macro_use] extern crate derivative; #[derive(Derivative)] #[derivative(Debug)] struct Row([T]); fn use_row(_: &Row) {} #[test] fn main() { let _ = use_row; }