#[derive(Debug, Clone, Copy, Default, PartialEq, Eq)]
pub struct Position {
pub row: usize,
pub col: usize,
}
impl PartialOrd for Position {
fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
Some(self.cmp(other))
}
}
impl Ord for Position {
fn cmp(&self, other: &Self) -> std::cmp::Ordering {
self.row.cmp(&other.row).then(self.col.cmp(&other.col))
}
}