reverse/
reverse.rs

1use quickcheck::quickcheck;
2
3fn reverse<T: Clone>(xs: &[T]) -> Vec<T> {
4    let mut rev = vec![];
5    for x in xs {
6        rev.insert(0, x.clone())
7    }
8    rev
9}
10
11fn main() {
12    fn equality_after_applying_twice(xs: Vec<isize>) -> bool {
13        xs == reverse(&reverse(&xs))
14    }
15    quickcheck(equality_after_applying_twice as fn(Vec<isize>) -> bool);
16}