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How to use the punq.Scope.singleton function in punq

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bobthemighty / punq / tests / test_instance_creation.py View on Github

def test_resolves_instances_with_singleton_scope():
    container = Container()
    container.register(MessageWriter, StdoutMessageWriter, scope=Scope.singleton)

    mw1 = container.resolve(MessageWriter)
    mw2 = container.resolve(MessageWriter)
    expect(mw1).to(equal(mw2))