// Copyright 2012 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. #![feature(nll)] struct WithDrop; impl Drop for WithDrop { fn drop(&mut self) {} } fn consume(x: (&mut (), WithDrop)) -> &mut () { x.0 } fn main() {}