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 #![allow(unknown_features)]
12 #![feature(unboxed_closures)]
14 // Test that `Fn(int) -> int + 'static` parses as `(Fn(int) -> int) +
15 // 'static` and not `Fn(int) -> (int + 'static)`. The latter would
16 // cause a compilation error. Issue #18772.
18 fn adder(y: int) -> Box<Fn(int) -> int + 'static> {
19 // FIXME (#22405): Replace `Box::new` with `box` here when/if possible.
20 Box::new(move |x| y + x)