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IsAny

提出詳細

type MyEqual<X,Y> =
  (<T>() => T extends X ? 0 : 1) extends
  (<U>() => U extends Y ? 0 : 1) ? true : false
type IsAny<T> = MyEqual<any,T>
提出日時2023-09-19 05:24:03
問題IsAny
ユーザーsankantsu
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>>,
]