mirror of https://github.com/rust-lang/rust
24 lines
648 B
Rust
24 lines
648 B
Rust
//@ check-pass
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struct Foo { a: isize, b: isize }
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fn main() {
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let mut x: Box<_> = Box::new(Foo { a: 1, b: 2 });
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let (a, b) = (&mut x.a, &mut x.b);
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let mut foo: Box<_> = Box::new(Foo { a: 1, b: 2 });
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let (c, d) = (&mut foo.a, &foo.b);
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// We explicitly use the references created above to illustrate that the
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// borrow checker is accepting this code *not* because of artificially
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// short lifetimes, but rather because it understands that all the
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// references are of disjoint parts of memory.
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use_imm(d);
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use_mut(c);
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use_mut(b);
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use_mut(a);
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}
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fn use_mut<T>(_: &mut T) { }
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fn use_imm<T>(_: &T) { }
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