@@ -601,10 +601,30 @@
 		if (stop)
 			break;
 	}
 }
 #endif
+
+- (OFArray*)arrayByAddingObject: (id)object
+{
+	OFMutableArray *ret = [[self mutableCopy] autorelease];
+
+	[ret addObject: object];
+	[ret makeImmutable];
+
+	return ret;
+}
+
+- (OFArray*)arrayByAddingObjectsFromArray: (OFArray*)array
+{
+	OFMutableArray *ret = [[self mutableCopy] autorelease];
+
+	[ret addObjectsFromArray: array];
+	[ret makeImmutable];
+
+	return ret;
+}
 
 #ifdef OF_HAVE_BLOCKS
 - (OFArray*)mappedArrayUsingBlock: (of_array_map_block_t)block
 {
 	OFArray *ret;