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https://github.com/rust-lang/rust
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13 lines
322 B
Rust
13 lines
322 B
Rust
struct S(u8);
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fn main() {
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let mut s = S(0);
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let borrow1 = &mut s.0;
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let S { 0: ref mut borrow2 } = s;
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//~^ ERROR cannot borrow `s.0` as mutable more than once at a time
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borrow2.use_mut();
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borrow1.use_mut();
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}
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trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { } }
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impl<T> Fake for T { }
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