| // Copyright 2015 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. |
| |
| // Test that we give a custom error (E0373) for the case where a |
| // closure is escaping current frame, and offer a suggested code edit. |
| // I refrained from including the precise message here, but the |
| // original text as of the time of this writing is: |
| // |
| // closure may outlive the current function, but it borrows `books`, |
| // which is owned by the current function |
| |
| fn foo<'a>(x: &'a i32) -> Box<FnMut()+'a> { |
| let mut books = vec![1,2,3]; |
| Box::new(|| books.push(4)) |
| //~^ ERROR E0373 |
| } |
| |
| fn main() { } |
