26 lines
666 B
Rust
26 lines
666 B
Rust
#![allow(unused_variables)]
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mod safe {
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use std::slice::from_raw_parts_mut;
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pub fn split_at_mut<T>(self_: &mut [T], mid: usize) -> (&mut [T], &mut [T]) {
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let len = self_.len();
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let ptr = self_.as_mut_ptr();
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unsafe {
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assert!(mid <= len);
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(from_raw_parts_mut(ptr, len - mid), // BUG: should be "mid" instead of "len - mid"
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//~^ ERROR Mut reference with non-reactivatable tag Mut(Uniq
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from_raw_parts_mut(ptr.offset(mid as isize), len - mid))
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}
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}
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}
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fn main() {
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let mut array = [1,2,3,4];
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let (a, b) = safe::split_at_mut(&mut array, 0);
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a[1] = 5;
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b[1] = 6;
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}
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