func ExampleCloserFactory() {
        // Tell your circuit manager to use the rate limited closer
        m := circuit.Manager{
            DefaultCircuitProperties: []circuit.CommandPropertiesConstructor{
                func(_ string) circuit.Config {
                    return circuit.Config{
                        General: circuit.GeneralConfig{
                            OpenToClosedFactory:CloserFactory(CloserConfig{
                                CloseOnHappyDuration: time.Second * 10,
                            }),
                        },
                    }
                },
            },
        }
        // Make circuit from manager
        c := m.MustCreateCircuit("example_circuit")
        // The closer should be a closer of this type
        _ = c.OpenToClose.(*Closer)
        // Output:
    }