| // Copyright 2012 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. |
| |
| |
| struct Invariant<'a> { |
| f: Box<for<'b> FnOnce() -> &'b mut &'a isize + 'static>, |
| } |
| |
| fn to_same_lifetime<'r>(b_isize: Invariant<'r>) { |
| let bj: Invariant<'r> = b_isize; |
| } |
| |
| fn to_longer_lifetime<'r>(b_isize: Invariant<'r>) -> Invariant<'static> { |
| b_isize //~ ERROR mismatched types |
| } |
| |
| fn main() { |
| } |
