mirror of https://github.com/rust-lang/rust
27 lines
466 B
Rust
27 lines
466 B
Rust
trait Foo {
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fn borrowed(&self);
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fn borrowed_mut(&mut 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(); //~ ERROR cannot borrow
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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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}
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fn owned_receiver(x: Box<dyn Foo>) {
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x.borrowed();
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x.borrowed_mut(); //~ ERROR cannot borrow
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}
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fn mut_owned_receiver(mut x: Box<dyn Foo>) {
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x.borrowed();
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x.borrowed_mut();
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}
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fn main() {}
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