mirror of https://github.com/rust-lang/rust
26 lines
467 B
Rust
26 lines
467 B
Rust
// Test method calls with self as an argument cannot subvert borrow checking.
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struct Foo;
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impl Foo {
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fn bar(&self) {}
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fn baz(&mut self) {}
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}
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fn main() {
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let mut x = Foo;
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let y = &mut x;
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Foo::bar(&x); //~ERROR cannot borrow `x`
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y.use_mut();
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let mut x = Foo;
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let y = &mut x;
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Foo::baz(&mut x); //~ERROR cannot borrow `x`
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y.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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