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Parameters

提出詳細

type MyParameters<T> = 
  T extends (...args: infer R extends readonly any[]) => any
  ? [...R]
  : never;
提出日時2022-10-06 14:17:58
問題Parameters
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'

const foo = (arg1: string, arg2: number): void => {}
const bar = (arg1: boolean, arg2: { a: 'A' }): void => {}
const baz = (): void => {}

type cases = [
  Expect<Equal<MyParameters<typeof foo>, [string, number]>>,
  Expect<Equal<MyParameters<typeof bar>, [boolean, { a: 'A' }]>>,
  Expect<Equal<MyParameters<typeof baz>, []>>,
]