// 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. // pretty-expanded FIXME #23616 #![feature(unsafe_destructor)] use std::cell::Cell; // Make sure that destructors get run on slice literals struct foo<'a> { x: &'a Cell, } #[unsafe_destructor] impl<'a> Drop for foo<'a> { fn drop(&mut self) { self.x.set(self.x.get() + 1); } } fn foo(x: &Cell) -> foo { foo { x: x } } pub fn main() { let x = &Cell::new(0); { let l = &[foo(x)]; assert_eq!(l[0].x.get(), 0); } assert_eq!(x.get(), 1); }