26 lines
986 B
Rust
26 lines
986 B
Rust
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Test that we give a custom error (E0373) for the case where a
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// closure is escaping current frame, and offer a suggested code edit.
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// I refrained from including the precise message here, but the
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// original text as of the time of this writing is:
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//
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// closure may outlive the current function, but it borrows `books`,
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// which is owned by the current function
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fn foo<'a>(x: &'a i32) -> Box<FnMut()+'a> {
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let mut books = vec![1,2,3];
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Box::new(|| books.push(4))
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//~^ ERROR E0373
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}
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fn main() { }
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