[rustc.git] / src / test / ui / borrowck / issue-81365-3.rs

use std::ops::Deref;

struct DerefTarget {
    target_field: bool,
}
struct Container {
    target: DerefTarget,
    container_field: bool,
}

impl Deref for Container {
    type Target = DerefTarget;
    fn deref(&self) -> &Self::Target {
        &self.target
    }
}

struct Outer {
    container: Container,
}

impl Deref for Outer {
    type Target = Container;
    fn deref(&self) -> &Self::Target {
        &self.container
    }
}

impl Outer {
    fn bad_borrow(&mut self) {
        let first = &self.target_field;
        self.container.container_field = true; //~ ERROR E0506
        first;
    }
}

fn main() {}
Commit	Line	Data
6a06907d XL	1	use std::ops::Deref;
	2
	3	struct DerefTarget {
	4	target_field: bool,
	5	}
	6	struct Container {
	7	target: DerefTarget,
	8	container_field: bool,
	9	}
	10
	11	impl Deref for Container {
	12	type Target = DerefTarget;
	13	fn deref(&self) -> &Self::Target {
	14	&self.target
	15	}
	16	}
	17
	18	struct Outer {
	19	container: Container,
	20	}
	21
	22	impl Deref for Outer {
	23	type Target = Container;
	24	fn deref(&self) -> &Self::Target {
	25	&self.container
	26	}
	27	}
	28
	29	impl Outer {
	30	fn bad_borrow(&mut self) {
	31	let first = &self.target_field;
	32	self.container.container_field = true; //~ ERROR E0506
	33	first;
	34	}
	35	}
	36
	37	fn main() {}