wtb.rs

use std::cmp::Ordering;

#[derive(PartialEq, Eq)]
pub struct Rev<T: Ord + PartialOrd + Eq + PartialEq>(pub T);

impl<T: Ord + PartialOrd + Eq + PartialEq> PartialOrd for Rev<T> {
    fn partial_cmp(&self, other: &Rev<T>) -> Option<Ordering> {
        other.0.partial_cmp(&self.0)
    }
}

impl<T: Ord+PartialOrd+Eq+PartialEq> Ord for Rev<T> {
    fn cmp(&self, other: &Rev<T>) -> Ordering {
        other.0.cmp(&self.0)
    }
}