improve Reorder example (#32)

Author: muir

example_provider_test.go

@@ -114,24 +114,30 @@ func ExampleNonFinal() {
 // This demonstrates how it to have a default that gets overridden by
 // by later inputs.
 func ExampleReorder() {
+	type string2 string
 	seq1 := nject.Sequence("example",
 		nject.Shun(func() string {
 			fmt.Println("fallback default included")
 			return "fallback default"
 		}),
+		func(s string) string2 {
+			return "<" + string2(s) + ">"
+		},
 	)
 	seq2 := nject.Sequence("later inputs",
+		// for this to work, it must be reordered to be in front
+		// of the string->string2 provider
 		nject.Reorder(func() string {
 			return "override value"
 		}),
 	)
 	fmt.Println(nject.Run("combination",
 		seq1,
 		seq2,
-		func(s string) {
+		func(s string2) {
 			fmt.Println(s)
 		},
 	))
-	// Output: override value
+	// Output: <override value>
 	// <nil>
 }