src/test/run-pass/last-use-in-cap-clause.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 // Make sure #1399 stays fixed
  12
  13 struct A { a: Box<isize> }
  14
  15 fn foo() -> Box<FnMut() -> isize + 'static> {
  16     let k: Box<_> = Box::new(22);
  17     let _u = A {a: k.clone()};
  18     let result  = || 22;
  19     Box::new(result)
  20 }
  21
  22 pub fn main() {
  23     assert_eq!(foo()(), 22);
  24 }