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String to Number

提出詳細

type ToNumber<S extends string, A extends readonly 0[] = []> = `${A["length"]}` extends S ? 
  A["length"]
  :ToNumber<S, [...A, 0]>
提出日時2022-06-28 05:47:36
問題String to Number
ユーザーwaki285
ステータスAccepted
テストケース
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>>,
]