better variable names

codeforkjeff · codeforkjeff · commit 57a3cdf0e60a · 2024-12-26T22:49:09.000-08:00
diff --git a/src/main/java/com/codefork/aoc2024/util/Grid.java b/src/main/java/com/codefork/aoc2024/util/Grid.java
@@ -11,7 +11,14 @@
 public class Grid {
 
     public interface Reducer<T> {
-        T apply(T t, int x, int y, String u);
+        /**
+         * @param acc accumulator
+         * @param x x coordinate
+         * @param y y coordinate
+         * @param ch character, as a String
+         * @return final accumulator value
+         */
+        T apply(T acc, int x, int y, String ch);
     }
 
     /**
