[Functional] FunctorUtils.validate(Closure...) is now

FunctorUtils.validate(Consumer...)

src/changes/changes.xml

@@ -30,6 +30,7 @@
     <action type="fix" dev="ggregory" due-to="Gary Gregory">Add missing Javadocs.</action>
     <action type="fix" dev="ggregory" due-to="Gary Gregory">PatriciaTrie constructor reuse the stateless singleton StringKeyAnalyzer.INSTANCE.</action>
     <action type="fix" dev="ggregory" due-to="Gary Gregory">Deprecate StringKeyAnalyzer.StringKeyAnalyzer() in favor of StringKeyAnalyzer.INSTANCE.</action>
+    <action type="fix" dev="ggregory" due-to="Gary Gregory">[Functional] FunctorUtils.validate(Closure...) is now FunctorUtils.validate(Consumer...).</action>
     <!-- ADD -->
     <!-- UPDATE -->
     <action issue="COLLECTIONS-857" type="update" dev="ggregory" due-to="Claude Warren">Update bloom filter documentation #508.</action>

src/main/java/org/apache/commons/collections4/functors/FunctorUtils.java

@@ -18,6 +18,7 @@
 
 import java.util.Collection;
 import java.util.Objects;
+import java.util.function.Consumer;
 
 import org.apache.commons.collections4.Closure;
 import org.apache.commons.collections4.Predicate;
@@ -123,14 +124,14 @@ static <I, O> Transformer<I, O>[] copy(final Transformer<? super I, ? extends O>
     }
 
     /**
-     * Validate the closures to ensure that all is well.
+     * Validates the consumers to ensure that all is well.
      *
-     * @param closures  the closures to validate
+     * @param consumers  the consumers to validate.
      */
-    static void validate(final Closure<?>... closures) {
-        Objects.requireNonNull(closures, "closures");
-        for (int i = 0; i < closures.length; i++) {
-            if (closures[i] == null) {
+    static void validate(final Consumer<?>... consumers) {
+        Objects.requireNonNull(consumers, "closures");
+        for (int i = 0; i < consumers.length; i++) {
+            if (consumers[i] == null) {
                 throw new NullPointerException("closures[" + i + "]");
             }
         }