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flat-type-samurai

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Advanced utility types for Typescript

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/** * Pushes the second argument to the first array argument * @example * ```ts * // [1, 2, 3, 4, 5] * type Case1 = Push<[1, 2, 3, 4], 5> * ``` */ export type Push<T extends readonly unknown[], U extends unknown> = [...T, U];