Return cloned ararys

Treiblesschorle · ctrueden · commit f82db8fbff66 · 2019-04-18T12:16:31.000-05:00
diff --git a/src/main/java/org/scijava/ops/matcher/OpRef.java b/src/main/java/org/scijava/ops/matcher/OpRef.java
@@ -102,20 +102,20 @@ public String getName() {
 
 	/** Gets the types which the op must match. */
 	public Type[] getTypes() {
-		return types;
+		return types.clone();
 	}
 
 	/**
 	 * Gets the op's output types (one constraint per output), or null for no
 	 * constraints.
 	 */
 	public Type[] getOutTypes() {
-		return outTypes;
+		return outTypes.clone();
 	}
 
 	/** Gets the op's arguments. */
 	public Type[] getArgs() {
-		return args;
+		return args.clone();
 	}
 
 	/**
