refactor: rename variable

src/day07.rs

@@ -1,8 +1,5 @@
-use std::cmp::Ordering;
 use std::collections::HashMap;
 use std::fmt::{Display, Formatter};
-use std::panic::panic_any;
-use std::sync::mpsc::TrySendError::Full;
 use std::time::Instant;
 use itertools::Itertools;
 
@@ -21,7 +18,7 @@ pub enum Card {
     N4 = 12,
     N3 = 13,
     N2 = 14,
-    JOKER_2 = 15,
+    Joker = 15,
 }
 
 
@@ -72,7 +69,7 @@ impl From<Vec<Card>> for Hand {
         }
 
         let key = cards.keys()
-            .filter(|k| k.to_string() != "JOKER_2")
+            .filter(|k| k.to_string() != "Joker")
             .map(|k| (k, cards[k]))
             .max_by(|(_, v1), (_, v2)| Ord::cmp(v1, v2));
 
@@ -81,9 +78,9 @@ impl From<Vec<Card>> for Hand {
         }
         let key = key.unwrap().0.to_owned();
 
-        let joker = cards.get("JOKER_2").unwrap_or(&0).clone();
+        let joker = cards.get("Joker").unwrap_or(&0).clone();
         *cards.entry(key).or_default() += joker;
-        cards.remove("JOKER_2");
+        cards.remove("Joker");
 
 
         match cards.values().len() {
@@ -147,7 +144,7 @@ fn solve_02(content: &str) -> anyhow::Result<usize> {
         .map(|(hand, bid)| (hand.chars().map(|c| {
             let mut c = Card::from(c);
             if c == Card::J {
-                c = Card::JOKER_2;
+                c = Card::Joker;
             }
 
             c