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