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// Test that borrows that occur due to calls to object methods
// properly "claim" the object path.
trait Foo {
fn borrowed(&self) -> &();
fn mut_borrowed(&mut self) -> &();
}
fn borrowed_receiver(x: &dyn Foo) {
let y = x.borrowed();
let z = x.borrowed();
z.use_ref();
y.use_ref();
}
fn mut_borrowed_receiver(x: &mut dyn Foo) {
let y = x.borrowed();
let z = x.mut_borrowed(); //~ ERROR cannot borrow
y.use_ref();
}
fn mut_owned_receiver(mut x: Box<dyn Foo>) {
let y = x.borrowed();
let z = &mut x; //~ ERROR cannot borrow
y.use_ref();
}
fn imm_owned_receiver(mut x: Box<dyn Foo>) {
let y = x.borrowed();
let z = &x;
z.use_ref();
y.use_ref();
}
fn main() {}
trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { } }
impl<T> Fake for T { }
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