Fixed array subtraction update bug #2159

pkg/yqlib/operator_add_test.go

@@ -14,6 +14,14 @@ var addOperatorScenarios = []expressionScenario{
 			"D0, P[1 a], (!!int)::3\n",
 		},
 	},
+	{
+		skipDoc:     true,
+		description: "add sequence creates a new sequence",
+		expression:  `["a"] as $f | {0:$f + ["b"], 1:$f}`,
+		expected: []string{
+			"D0, P[], (!!map)::0:\n    - a\n    - b\n1:\n    - a\n",
+		},
+	},
 	{
 		skipDoc:    true,
 		document:   `a: key`,