Readonly 2
提出詳細
type MyReadonly2<T, K extends keyof T = keyof T> = Readonly<Pick<T, K>> & Omit<T, K>
| 提出日時 | 2023-08-07 17:11:00 | 
|---|---|
| 問題 | Readonly 2 | 
| ユーザー | ookkoouu | 
| ステータス | Accepted | 
import type { Alike, Expect } from '@type-challenges/utils' type cases = [ Expect<Alike<MyReadonly2<Todo1>, Readonly<Todo1>>>, Expect<Alike<MyReadonly2<Todo1, 'title' | 'description'>, Expected>>, Expect<Alike<MyReadonly2<Todo2, 'title' | 'description'>, Expected>>, ] interface Todo1 { title: string description?: string completed: boolean } interface Todo2 { readonly title: string description?: string completed: boolean } interface Expected { readonly title: string readonly description?: string completed: boolean }