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IsPalindrome

提出詳細

type Reverse<T extends string, A extends string = ""> = T extends `${infer C}${infer R}` ? Reverse<R, `${C}${A}`> : A
type IsPalindrome<T extends string | number> = `${T}` extends Reverse<`${T}`> ? true : false
提出日時2023-09-02 16:10:31
問題IsPalindrome
ユーザーookkoouu
ステータスAccepted
テストケース
import type { Equal, Expect } from '@type-challenges/utils'

type cases = [
  Expect<Equal<IsPalindrome<'abc'>, false>>,
  Expect<Equal<IsPalindrome<'b'>, true>>,
  Expect<Equal<IsPalindrome<'abca'>, false>>,
  Expect<Equal<IsPalindrome<121>, true>>,
  Expect<Equal<IsPalindrome<19260817>, false>>,
]