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Use @return(nullable) in Appearance (#777) · rescript-react-native/rescript-react-native@91f0a67

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type t = [#dark | #light]

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@module("react-native") @scope("Appearance")

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external getColorScheme: unit => Js.Null.t<t> = "getColorScheme"

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@module("react-native") @scope("Appearance") @return(nullable)

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external getColorScheme: unit => option<t> = "getColorScheme"

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@module("react-native")

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external useColorScheme: unit => Js.Null.t<t> = "useColorScheme"

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@module("react-native") @return(nullable)

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external useColorScheme: unit => option<t> = "useColorScheme"

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@module("react-native") @scope("Appearance")

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external addChangeListener: (unit => unit) => EventSubscription.t = "addChangeListener"