. B Remove bug where Once would fire multiple times if the lambda had fields

Author: ScottBob

approvaltests-util-tests/src/test/java/org/lambda/utils/OnceTest.java

@@ -1,5 +1,6 @@
 package org.lambda.utils;
 
+import com.spun.util.NumberUtils;
 import org.junit.jupiter.api.Test;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
@@ -18,7 +19,13 @@ public void testOnce() {
     }
 
     private void increment() {
-        Once.run(() -> OnceTest.count++);
+        var fieldThatForcesLambdaToHaveMultipleInstances = NumberUtils.doRandomPercentage(50);
+        Once.run(() -> {
+            if (fieldThatForcesLambdaToHaveMultipleInstances)
+                OnceTest.count++;
+            else
+                OnceTest.count++;
+        });
     }
 
     @Test

approvaltests-util/src/main/java/org/lambda/utils/Once.java

@@ -6,11 +6,11 @@
 import java.util.*;
 
 public class Once {
-    private static final Set<Action0> actions = Collections.synchronizedSet(new HashSet<>());
+    private static final Set<Class> actions = Collections.synchronizedSet(new HashSet<>());
     private static final Map<Class, Object> functions = Collections.synchronizedMap(new HashMap<>());
     public static void run(Action0 runnable) {
-        if (!actions.contains(runnable)) {
-            actions.add(runnable);
+        if (!actions.contains(runnable.getClass())) {
+            actions.add(runnable.getClass());
             runnable.call();
         }
     }