rust/src/test/run-pass/issue-2735-3.rs

38 lines
887 B
Rust

// 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 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![feature(managed_boxes)]
use std::cell::Cell;
// This test should behave exactly like issue-2735-2
struct defer {
b: @Cell<bool>,
}
#[unsafe_destructor]
impl Drop for defer {
fn drop(&mut self) {
self.b.set(true);
}
}
fn defer(b: @Cell<bool>) -> defer {
defer {
b: b
}
}
pub fn main() {
let dtor_ran = @Cell::new(false);
defer(dtor_ran);
assert!(dtor_ran.get());
}