diffstore2: add a 2nd any-leaf example

client/diffstore2/any-leaf_test.go

@@ -31,3 +31,35 @@ func ExampleAnyLeafStore() {
 	// -----
 	// D a
 }
+
+func ExampleAnyLeafStoreFileLike() {
+	store := NewAnyStore[int](func(a, b string) bool { return a == b })
+
+	// File 1
+	// line1
+	// line2
+
+	store.Get(1).Set("line1")
+	store.Get(2).Set("line2")
+	store.Done()
+	store.printDiff()
+
+	store.Reset()
+
+	// File 2
+	// line2.1
+	// line2.2
+
+	store.Get(1).Set("line2.1")
+	store.Get(2).Set("line2.2")
+	store.Done()
+	store.printDiff()
+
+	// Output:
+	// -----
+	// C 1 => "{line1}"
+	// C 2 => "{line2}"
+	// -----
+	// U 1 => "{line2.1}"
+	// U 2 => "{line2.2}"
+}