String to Number

约 87 字小于 1 分钟

2026-02-11

题目

Convert a string literal to a number, which behaves like Number.parseInt.

解题思路

待补充

答案

type ToNumber<S extends string> = any

验证

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>>,
  Expect<Equal<ToNumber<'18@7_$%'>, never>>,
]

参考

无