1 // Copyright 2015 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.
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.
11 #![feature(unsafe_destructor)]
13 // Test that we are able to infer a suitable kind for this closure
14 // that is just called (`FnOnce`).
18 struct DropMe<'a>(&'a mut i32);
21 impl<'a> Drop for DropMe<'a> {
31 let drop_me = DropMe(&mut counter);
32 let tick = || mem::drop(drop_me);
36 assert_eq!(counter, 1);