diff --git a/operator-iter-value.go b/operator-iter-value.go
index 2431e98..17abcaa 100644
--- a/operator-iter-value.go
+++ b/operator-iter-value.go
@@ -33,5 +33,6 @@ func evalIterValue(ctx ExprContext, opTerm *term) (v any, err error) {
 
 // init
 func init() {
-	registerTermConstructor(SymOpenClosedRound, newIterValueTerm)
+//	registerTermConstructor(SymOpenClosedRound, newIterValueTerm)
+	registerTermConstructor(SymCaret, newIterValueTerm)
 }