reverse_single/
reverse_single.rs

1use quickcheck::{quickcheck, TestResult};
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 prop(xs: Vec<isize>) -> TestResult {
13        if xs.len() != 1 {
14            return TestResult::discard();
15        }
16        TestResult::from_bool(xs == reverse(&*xs))
17    }
18    quickcheck(prop as fn(Vec<isize>) -> TestResult);
19}