[rustc.git] / src / test / run-pass / regions / regions-infer-call-2.rs

// run-pass

fn takes_two(x: &isize, y: &isize) -> isize { *x + *y }

fn with<T, F>(f: F) -> T where F: FnOnce(&isize) -> T {
    f(&20)
}

fn has_one<'a>(x: &'a isize) -> isize {
    with(|y| takes_two(x, y))
}

pub fn main() {
    assert_eq!(has_one(&2), 22);
}
Commit	Line	Data
b7449926	1	// run-pass
223e47cc	2
c34b1796 AL	3	fn takes_two(x: &isize, y: &isize) -> isize { x + y }
	4
	5	fn with<T, F>(f: F) -> T where F: FnOnce(&isize) -> T {
223e47cc LB	6	f(&20)
	7	}
	8
c34b1796	9	fn has_one<'a>(x: &'a isize) -> isize {
1a4d82fc	10	with(\|y\| takes_two(x, y))
223e47cc LB	11	}
	12
	13	pub fn main() {
970d7e83	14	assert_eq!(has_one(&2), 22);
223e47cc	15	}