Type Challenges Judge

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Last of Array

提出詳細

type Last<T extends any[]> = 
  T extends [infer _, ...infer Rest extends any[]] 
  ? Rest extends [infer _, ...infer __ extends any[]] 
    ? Last<Rest>
    : T[0]
  : never;
提出日時2022-10-07 13:53:08
問題Last of Array
ユーザーyotarotsukada
ステータスWrong Answer
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 }>>,
]