use super::Column;
use std::cmp;
impl Ord for Column {
fn cmp(&self, other: &Self) -> cmp::Ordering {
self.x.cmp(&other.x)
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn cmp() {
assert_eq!(Column::new(20).cmp(&Column::new(20)), cmp::Ordering::Equal);
assert_eq!(
Column::new(20).cmp(&Column::new(19)),
cmp::Ordering::Greater
);
assert_eq!(Column::new(20).cmp(&Column::new(21)), cmp::Ordering::Less);
}
}