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

   1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // run-pass
  12 #![allow(non_camel_case_types)]
  13
  14 use std::cell::Cell;
  15
  16 // This test should behave exactly like issue-2735-2
  17 struct defer<'a> {
  18     b: &'a Cell<bool>,
  19 }
  20
  21 impl<'a> Drop for defer<'a> {
  22     fn drop(&mut self) {
  23         self.b.set(true);
  24     }
  25 }
  26
  27 fn defer(b: &Cell<bool>) -> defer {
  28     defer {
  29         b: b
  30     }
  31 }
  32
  33 pub fn main() {
  34     let dtor_ran = &Cell::new(false);
  35     defer(dtor_ran);
  36     assert!(dtor_ran.get());
  37 }