Length of String 2
提出詳細
type LengthOfString<S extends string, A extends unknown[] = []> = S extends `${infer _}${infer Tail}` ? LengthOfString<Tail, [...A, unknown]> : A['length'];
| 提出日時 | 2023-06-01 02:59:59 |
|---|---|
| 問題 | Length of String 2 |
| ユーザー | mrsekut |
| ステータス | Accepted |
import type { Equal, IsTrue } from '@type-challenges/utils' type cases = [ IsTrue<Equal<LengthOfString<''>, 0>>, IsTrue<Equal<LengthOfString<'1'>, 1>>, IsTrue<Equal<LengthOfString<'12'>, 2>>, IsTrue<Equal<LengthOfString<'123'>, 3>>, IsTrue<Equal<LengthOfString<'1234'>, 4>>, IsTrue<Equal<LengthOfString<'12345'>, 5>>, IsTrue<Equal<LengthOfString<'123456'>, 6>>, IsTrue<Equal<LengthOfString<'1234567'>, 7>>, IsTrue<Equal<LengthOfString<'12345678'>, 8>>, IsTrue<Equal<LengthOfString<'123456789'>, 9>>, IsTrue<Equal<LengthOfString<'1234567890'>, 10>>, IsTrue<Equal<LengthOfString<'12345678901'>, 11>>, IsTrue<Equal<LengthOfString<'123456789012'>, 12>>, IsTrue<Equal<LengthOfString<'1234567890123'>, 13>>, IsTrue<Equal<LengthOfString<'12345678901234'>, 14>>, IsTrue<Equal<LengthOfString<'123456789012345'>, 15>>, IsTrue<Equal<LengthOfString<'1234567890123456'>, 16>>, IsTrue<Equal<LengthOfString<'12345678901234567'>, 17>>, IsTrue<Equal<LengthOfString<'123456789012345678'>, 18>>, IsTrue<Equal<LengthOfString<'1234567890123456789'>, 19>>, IsTrue<Equal<LengthOfString<'12345678901234567890'>, 20>>, IsTrue<Equal<LengthOfString<'123456789012345678901'>, 21>>, IsTrue<Equal<LengthOfString<'1234567890123456789012'>, 22>>, IsTrue<Equal<LengthOfString<'12345678901234567890123'>, 23>>, IsTrue<Equal<LengthOfString<'aaaaaaaaaaaaggggggggggggggggggggkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'>, 272>>, ]