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fallout: run-pass tests that use box. (many could be ported to `Box::new` instead...
[rust.git] / 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 #![allow(unknown_features)]
14 #![feature(box_syntax)]
15 #![feature(unboxed_closures)]
16
17 struct A { a: Box<int> }
18
19 fn foo() -> Box<FnMut() -> int + 'static> {
20     let k = box 22i;
21     let _u = A {a: k.clone()};
22     let result  = |&mut:| 22;
23     box result
24 }
25
26 pub fn main() {
27     assert_eq!(foo().call_mut(()), 22);
28 }