// Copyright 2014 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. use std::task; static mut DROPS: uint = 0; struct Foo; impl Drop for Foo { fn drop(&mut self) { unsafe { DROPS += 1; } panic!() } } fn main() { let _ = task::try(proc() { local_data_key!(foo: Foo); foo.replace(Some(Foo)); }); unsafe { assert_eq!(DROPS, 1); } }