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 #![feature(unboxed_closures)]
13 // Tests that we can't move out of an unboxed closure environment
14 // if the upvar is captured by ref or the closure takes self by
17 fn to_fn<A,F:Fn<A>>(f: F) -> F { f }
18 fn to_fn_mut<A,F:FnMut<A>>(f: F) -> F { f }
19 fn to_fn_once<A,F:FnOnce<A>>(f: F) -> F { f }
25 let f = to_fn(|| drop(x)); //~ ERROR cannot move
29 let f = to_fn_mut(|| drop(x)); //~ ERROR cannot move
33 let f = to_fn_once(|| drop(x)); // OK -- FnOnce
38 let f = to_fn(move || drop(x)); //~ ERROR cannot move
42 let f = to_fn_mut(move || drop(x)); //~ ERROR cannot move
46 let f = to_fn_once(move || drop(x)); // this one is ok