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Size: a a a
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var lightSwitch = EnumSwitch.offlightSwitch.toggle()AM
AM
var switcher = ClassSwitch()switcher.isOn = false
switcher.toggle()AM
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var arr: [Togglable] = [lightSwitch, switcher]AM
AM
arr.forEach{ $0.toggle() }AM
AM
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arr.forEach{ $0.toggle() }В