[rustc.git] / src / test / ui / methods / method-self-arg-2.rs

// Test method calls with self as an argument cannot subvert borrow checking.


struct Foo;

impl Foo {
    fn bar(&self) {}
    fn baz(&mut self) {}
}

fn main() {
    let mut x = Foo;
    let y = &mut x;
    Foo::bar(&x); //~ERROR cannot borrow `x`
    y.use_mut();

    let mut x = Foo;
    let y = &mut x;
    Foo::baz(&mut x); //~ERROR cannot borrow `x`
    y.use_mut();
}

trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { }  }
impl<T> Fake for T { }
Commit	Line	Data
1a4d82fc	1	// Test method calls with self as an argument cannot subvert borrow checking.
223e47cc	2
b7449926 XL	3
b7449926 XL	4
1a4d82fc	5	struct Foo;
970d7e83	6
1a4d82fc JJ	7	impl Foo {
	8	fn bar(&self) {}
	9	fn baz(&mut self) {}
223e47cc LB	10	}
	11
	12	fn main() {
1a4d82fc JJ	13	let mut x = Foo;
	14	let y = &mut x;
	15	Foo::bar(&x); //~ERROR cannot borrow `x`
b7449926	16	y.use_mut();
1a4d82fc	17
85aaf69f SL	18	let mut x = Foo;
	19	let y = &mut x;
	20	Foo::baz(&mut x); //~ERROR cannot borrow `x`
b7449926	21	y.use_mut();
223e47cc	22	}
b7449926 XL	23
	24	trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { } }
	25	impl<T> Fake for T { }