mirror of https://github.com/rust-lang/rust.git
31 lines
707 B
Rust
31 lines
707 B
Rust
// This is a regression test for issue #135671 where a MIR refactor about arrays and their lengths
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// unexpectedly caused borrowck errors for disjoint borrows of array elements, for which we had no
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// tests. This is a collection of a few code samples from that issue.
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//@ check-pass
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struct Test {
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a: i32,
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b: i32,
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}
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fn one() {
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let inputs: &mut [_] = &mut [Test { a: 0, b: 0 }];
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let a = &mut inputs[0].a;
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let b = &mut inputs[0].b;
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*a = 0;
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*b = 1;
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}
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fn two() {
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let slice = &mut [(0, 0)][..];
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std::mem::swap(&mut slice[0].0, &mut slice[0].1);
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}
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fn three(a: &mut [(i32, i32)], i: usize, j: usize) -> (&mut i32, &mut i32) {
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(&mut a[i].0, &mut a[j].1)
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}
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fn main() {}
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