mirror of https://github.com/rust-lang/rust
16 lines
525 B
Rust
16 lines
525 B
Rust
// 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<dyn 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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