2025-03-30 00:39:55 +03:00
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fn main() {
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2016-07-13 17:53:42 -04:00
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let mut x = "foo";
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let y = &mut x;
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2017-11-20 13:13:27 +01:00
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let z = &mut x; //~ ERROR cannot borrow
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2018-05-25 12:36:58 +02:00
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z.use_mut();
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y.use_mut();
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2016-07-13 17:53:42 -04:00
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}
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2018-05-25 12:36:58 +02:00
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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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