Capture by Value with move

10 points

Implement make_adder, which returns a closure that adds n to whatever it's called with. The closure must outlive the function call that created it, so it needs to own n rather than borrow it — that's what the move keyword is for.

Required signature

pub fn make_adder(n: i32) -> impl Fn(i32) -> i32;

Visible tests

adds_correctly

#[test]
fn adds_correctly() {
    let add5 = make_adder(5);
    assert_eq!(add5(10), 15);
}

Capture by Value with move

Required signature

Visible tests

Your solution