Add nil keyword

examples/readme/main.go

@@ -16,6 +16,7 @@ type User struct {
 	Name           string
 	LoggedIn       bool
 	IsAdmin        bool
+	X              func()
 	RegisteredTime time.Time
 }
 
@@ -24,6 +25,7 @@ var users = []User{
 		Name:           "Elara",
 		LoggedIn:       true,
 		IsAdmin:        true,
+		X:              func() {},
 		RegisteredTime: time.Date(2023, time.January, 10, 10, 10, 10, 0, time.UTC),
 	},
 	{