22 lines
799 B
Plaintext
22 lines
799 B
Plaintext
error[E0373]: closure may outlive the current function, but it borrows `books`, which is owned by the current function
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--> $DIR/borrowck-escaping-closure-error-2.rs:11:14
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LL | Box::new(|| books.push(4))
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| ^^ ----- `books` is borrowed here
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| may outlive borrowed value `books`
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note: closure is returned here
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--> $DIR/borrowck-escaping-closure-error-2.rs:11:5
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LL | Box::new(|| books.push(4))
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: to force the closure to take ownership of `books` (and any other referenced variables), use the `move` keyword
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LL | Box::new(move || books.push(4))
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| ++++
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0373`.
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