30 use std::cmp::Ordering;
171     fn cmp(&self, other: &Self) -> Ordering {  in cmp()  argument
181             Ordering::Equal  in cmp()
183             Ordering::Less  in cmp()
185             Ordering::Greater  in cmp()
191     fn partial_cmp(&self, other: &Self) -> Option<Ordering> {  in partial_cmp()  argument
494     fn cmp(&self, other: &Self) -> Ordering {  in cmp()  argument
504             Ordering::Equal  in cmp()
506             Ordering::Less  in cmp()
508             Ordering::Greater  in cmp()
514     fn partial_cmp(&self, other: &Self) -> Option<Ordering> {  in partial_cmp()  argument
521         self.cmp(other) == Ordering::Equal  in eq()