38 lines
903 B
Rust
38 lines
903 B
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use std::cell::Cell;
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// Make sure that destructors get run on slice literals
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struct foo<'a> {
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x: &'a Cell<isize>,
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}
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impl<'a> Drop for foo<'a> {
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fn drop(&mut self) {
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self.x.set(self.x.get() + 1);
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}
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}
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fn foo(x: &Cell<isize>) -> foo {
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foo {
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x: x
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}
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}
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pub fn main() {
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let x = &Cell::new(0);
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{
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let l = &[foo(x)];
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assert_eq!(l[0].x.get(), 0);
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}
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assert_eq!(x.get(), 1);
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}
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