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5360 - Unique #27142

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smileboyi opened this issue May 5, 2023 · 0 comments

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smileboyi commented May 5, 2023

type Includes<T extends readonly any[], U> =
  T extends [infer L, ...infer R] ? Equal<L, U> extends true ? true : Includes<R, U> : false
type Unique<T, U extends unknown[] = []> =
  T extends [infer F, ...infer R] ? Unique<R, [...U, ...(Includes<U, F> extends true ? [] : [F])]> : U

smileboyi added answer en labels

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