From 895778f236b38f1eca384c7a9bcb39e359e539e1 Mon Sep 17 00:00:00 2001
From: Celestino Amoroso <celestino.amoroso@gmail.com>
Date: Sat, 27 Apr 2024 22:34:23 +0200
Subject: [PATCH] operator-dot.go: '*dataCursor' case added; to be enhanced

---
 operator-dot.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/operator-dot.go b/operator-dot.go
index 212e8bb..1b43d6f 100644
--- a/operator-dot.go
+++ b/operator-dot.go
@@ -56,6 +56,18 @@ func evalDot(ctx ExprContext, self *term) (v any, err error) {
 		if v, ok = unboxedValue[rightValue]; !ok {
 			err = fmt.Errorf("key %v does not belong to the dictionary", rightValue)
 		}
+	case *dataCursor:
+		if indexTerm.symbol() == SymString {
+			opName := indexTerm.value()
+			if opName == resetName {
+				err = unboxedValue.Reset()
+			} else if opName == cleanName {
+				err = unboxedValue.Clean()
+			} else {
+				err = indexTerm.Errorf("iterators do not support command %q", opName)
+			}
+			v = err == nil
+		}
 	default:
 		err = self.errIncompatibleTypes(leftValue, rightValue)
 	}