Type Challenges Judge

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IsAny

提出詳細

type IsAny<T> = (T extends true ? T extends false ? true:false:false) extends false ? false:true;
提出日時2022-06-29 23:26:06
問題IsAny
ユーザーwaki285
ステータスAccepted
テストケース
import type { Equal, Expect } from '@type-challenges/utils'

type cases = [
  Expect<Equal<IsAny<any>, true>>,

  Expect<Equal<IsAny<undefined>, false>>,
  Expect<Equal<IsAny<unknown>, false>>,
  Expect<Equal<IsAny<never>, false>>,
  Expect<Equal<IsAny<string>, false>>,
]