Type Challenges Judge

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Reverse

提出詳細

type Reverse<T extends readonly unknown[]> = 
  T extends [infer F, ...infer Tail] ?
    [...Reverse<Tail>, F]
    :T;
提出日時2022-06-28 11:59:37
問題Reverse
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<Reverse<[]>, []>>,
  Expect<Equal<Reverse<['a', 'b']>, ['b', 'a']>>,
  Expect<Equal<Reverse<['a', 'b', 'c']>, ['c', 'b', 'a']>>,
]