rust/tests/ui/object-pointer-types.rs
2023-01-11 09:32:08 +00:00

31 lines
698 B
Rust

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