mirror of https://github.com/rust-lang/rust
31 lines
698 B
Rust
31 lines
698 B
Rust
trait Foo {
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fn borrowed(&self);
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fn borrowed_mut(&mut self);
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fn owned(self: Box<Self>);
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}
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fn borrowed_receiver(x: &dyn Foo) {
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x.borrowed();
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x.borrowed_mut(); // See [1]
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x.owned(); //~ ERROR no method named `owned` found
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}
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fn borrowed_mut_receiver(x: &mut dyn Foo) {
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x.borrowed();
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x.borrowed_mut();
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x.owned(); //~ ERROR no method named `owned` found
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}
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fn owned_receiver(x: Box<dyn Foo>) {
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x.borrowed();
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x.borrowed_mut(); // See [1]
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x.managed(); //~ ERROR no method named `managed` found
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x.owned();
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}
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fn main() {}
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// [1]: These cases are illegal, but the error is not detected
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// until borrowck, so see the test borrowck-object-mutability.rs
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