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32 lines
513 B
Rust
32 lines
513 B
Rust
#![allow(unused)]
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#[derive(Clone, Copy, Default)]
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struct S {
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a: u8,
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b: u8,
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}
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#[derive(Clone, Copy, Default)]
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struct Z {
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c: u8,
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d: u8,
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}
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union U {
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s: S,
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z: Z,
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}
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fn main() {
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unsafe {
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let mut u = U { s: Default::default() };
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let mref = &mut u.s.a;
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*mref = 22;
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let nref = &u.z.c;
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//~^ ERROR cannot borrow `u` (via `u.z.c`) as immutable because it is also borrowed as mutable (via `u.s.a`) [E0502]
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println!("{} {}", mref, nref)
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}
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}
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