String to Number
提出詳細
type ToNumber<S extends string> = S extends `${infer N extends number}` ? N : never
| 提出日時 | 2023-08-10 14:40:29 | 
|---|---|
| 問題 | String to Number | 
| ユーザー | ookkoouu | 
| ステータス | Accepted | 
import type { Equal, Expect } from '@type-challenges/utils' type cases = [ Expect<Equal<ToNumber<'0'>, 0>>, Expect<Equal<ToNumber<'5'>, 5>>, Expect<Equal<ToNumber<'12'>, 12>>, Expect<Equal<ToNumber<'27'>, 27>>, ]