1 files changed, 3 insertions, 0 deletions
diff --git a/apl9.h b/apl9.h
index 311bceb..2846861 100644
--- a/apl9.h
+++ b/apl9.h
@@ -340,6 +340,9 @@ Array *fnNand(Array *, Array *);
 Array *fnNor(Array *, Array *);
 Array *fnTake(Array *, Array *);
 Array *fnIndex(Array *, Array *);
+Array *fnMembership(Array *, Array *);
+Array *fnUnion(Array *, Array *);
+Array *fnExcluding(Array *, Array *);
 Array *fnCatenateLast(Array *, Array *);
 Array *fnCatenateFirst(Array *, Array *);
 Array *fnReshape(Array *, Array *);