Adding splat[] short hand to explode,collect,flatten,groupby,path,pivot,select and more

pkg/yqlib/operator_pivot_test.go

@@ -11,6 +11,16 @@ var pivotOperatorScenarios = []expressionScenario{
 			"D0, P[], ()::- - foo\n  - sis\n- - bar\n  - boom\n- - baz\n  - bah\n",
 		},
 	},
+	{
+		description: "Pivot splat",
+		skipDoc:     true,
+		document:    "[[foo, bar], [sis, boom]]\n",
+		expression:  `pivot[]`,
+		expected: []string{
+			"D0, P[0], ()::- foo\n- sis\n",
+			"D0, P[1], ()::- bar\n- boom\n",
+		},
+	},
 	{
 		description:    "Pivot sequence of heterogeneous sequences",
 		subdescription: `Missing values are "padded" to null.`,