type-challenges-judge

Type Challenges Judge

Problems

Progress

Ranking

Reverse

提出詳細

type Reverse<T extends unknown[], O extends unknown[] = []> = T extends [infer L, ...infer R]
  ? R extends unknown[]
    ? Reverse<R, [L, ...O]>
    : [L, ...O]
  : O

提出日時	2023-08-08 08:21:41
問題	Reverse
ユーザー	ookkoouu
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']>>,
]