type-challenges-judge

Type Challenges Judge

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Last of Array

提出詳細

type Last<T extends any[]> = T extends [infer L] ? L : T extends [first: any, ...rest: infer Rest] ? Last<Rest> : never

提出日時	2023-04-25 13:57:14
問題	Last of Array
ユーザー	kagankan
ステータス	Accepted

テストケース

import type { Equal, Expect } from '@type-challenges/utils'

type cases = [
  Expect<Equal<Last<[3, 2, 1]>, 1>>,
  Expect<Equal<Last<[() => 123, { a: string }]>, { a: string }>>,
]