Pick
提出詳細
type MyPick<T,K extends keyof T> = { [P in K] : T[P] }
提出日時 | 2023-12-17 12:33:59 |
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問題 | Pick |
ユーザー | t-hashimoto-sun |
ステータス | Accepted |
import type { Equal, Expect } from '@type-challenges/utils' type cases = [ Expect<Equal<Expected1, MyPick<Todo, 'title'>>>, Expect<Equal<Expected2, MyPick<Todo, 'title' | 'completed'>>>, // @ts-expect-error MyPick<Todo, 'title' | 'completed' | 'invalid'>, ] interface Todo { title: string description: string completed: boolean } interface Expected1 { title: string } interface Expected2 { title: string completed: boolean }