use std::hash::{Hash, Hasher};
use super::types::Segment;
impl<Scalar: PartialOrd + Hash> Hash for Segment<Scalar> {
fn hash<H: Hasher>(&self, state: &mut H) {
if self.start.lt(&self.end) {
self.start.hash(state);
self.end.hash(state);
} else {
self.end.hash(state);
self.start.hash(state);
}
}
}