1 // Copyright 2014 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 // Test that unboxed closures in contexts with free type parameters
12 // monomorphize correctly (issue #16791)
14 #![feature(unboxed_closures)]
17 fn bar<'a, T:'a> (t: T) -> Box<FnOnce<(),T> + 'a> {
22 assert_eq!(f.call_once(()), 42);
24 let f = bar("forty-two");
25 assert_eq!(f.call_once(()), "forty-two");
29 assert_eq!(f.call_once(()), &x);
31 #[deriving(Show, PartialEq)]
32 struct Foo(uint, &'static str);
33 let x = Foo(42, "forty-two");
35 assert_eq!(f.call_once(()), x);