.

wcfs/δbtail_test.go

@@ -1021,3 +1021,16 @@ func xkvFlatten(xkv RBucketSet) map[Key]string {
 	}
 	return kv
 }
+
+
+func (ks SetKey) String() string {
+	keyv := ks.Elements()
+	sort.Slice(keyv, func(i, j int) bool {
+		return keyv[i] < keyv[j]
+	})
+	strv := []string{}
+	for _, k := range keyv {
+		strv = append(strv, fmt.Sprintf("%d", k))
+	}
+	return "{" + strings.Join(strv, ", ") + "}"
+}