f := flag.Flag{
		Name: "play",
	}
	fmt.Print(f)
	// Output: Name: "play"
}

var keyValueTopDecl = struct {
	a string
	b int
}{
	a: "B",
	b: 2,
}

func ExampleKeyValueTopDecl() {
	fmt.Print(keyValueTopDecl)
	// Output: a: "B", b: 2
}

// Person represents a person by name and age.
type Person struct {
	Name string
	Age  int
}