Add back @FunctionalInterface which was in 4.4

apache · Jul 10, 2024 · c5037c9 · c5037c9
1 parent c55dda3
commit c5037c9
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/main/java/org/apache/commons/collections4/Transformer.java b/src/main/java/org/apache/commons/collections4/Transformer.java
@@ -40,6 +40,7 @@
  * @deprecated Use {@link Function}.
  */
 @Deprecated
+@FunctionalInterface
 public interface Transformer<T, R> extends Function<T, R> {
 
     @Override