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    Type Alias UnionType<T, Then, Else>

    UnionType: UnionType.Device<T, Then, Else>

    🌪️ filter

    Filter the type T to ensure it is a union.

    Type Parameters

    • T
    • Then = T
    • Else = never
    type R = IsUnion<'a' | 'b'> // 'a' | 'b'
    type R = IsUnion<boolean> // boolean
    type R = IsUnion<number> // never

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