Impliment PartialOrd for TwoPair

src/hand.rs

@@ -72,7 +72,23 @@ impl PartialOrd for PokerHand {
 
                 self.cards.partial_cmp(&other.cards)
             }
-            HandType::TwoPair => todo!(),
+            HandType::TwoPair => {
+                let selfpairs: Vec<(&CardValue, &u8)> =
+                    selfmap.iter().filter(|&p| *p.1 == 2).collect();
+                let otherpairs: Vec<(&CardValue, &u8)> =
+                    othermap.iter().filter(|&p| *p.1 == 2).collect();
+
+                for i in 0..1 {
+                    let pairvalue = selfpairs[i].0;
+                    let otherpairvalue = otherpairs[i].0;
+
+                    if pairvalue != otherpairvalue {
+                        return pairvalue.partial_cmp(otherpairvalue);
+                    }
+                }
+
+                self.cards.partial_cmp(&other.cards)
+            }
             HandType::ThreeOfAKind => todo!(),
             HandType::Straight => todo!(),
             HandType::Flush => todo!(),