| // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| use std::marker::PhantomData; |
| |
| #[derive(Debug)] |
| struct LifetimeStruct<'a>(PhantomData<&'a ()>); |
| |
| fn main() { |
| takes_hrtb_closure(|lts| println!("{:?}", lts)); |
| } |
| |
| fn takes_hrtb_closure<F: for<'a>FnMut(LifetimeStruct<'a>)>(mut f: F) { |
| f(LifetimeStruct(PhantomData)); |
| } |
