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20 lines
918 B
20 lines
918 B
$ cargo run
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Compiling unsafe-example v0.1.0 (file:///projects/unsafe-example)
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error[E0499]: cannot borrow `*values` as mutable more than once at a time
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--> src/main.rs:6:31
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1 | fn split_at_mut(values: &mut [i32], mid: usize) -> (&mut [i32], &mut [i32]) {
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| - let's call the lifetime of this reference `'1`
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...
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6 | (&mut values[..mid], &mut values[mid..])
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| --------------------------^^^^^^--------
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| | | |
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| | | second mutable borrow occurs here
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| | first mutable borrow occurs here
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| returning this value requires that `*values` is borrowed for `'1`
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= help: use `.split_at_mut(position)` to obtain two mutable non-overlapping sub-slices
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For more information about this error, try `rustc --explain E0499`.
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error: could not compile `unsafe-example` (bin "unsafe-example") due to 1 previous error
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