added answers

README.md

@@ -36,11 +36,19 @@ This project is aimed at helping you better understand how the type system works
 Click in the item to see my answer to the question.
 
 ~~<a href="./answers/00013-warm-hello-world/answer.ts" target="_blank">13・Hello World</a>~~
+
 ~~<a href="./answers/00004-easy-pick/answer.ts" target="_blank">4・Pick</a>~~
+
 ~~<a href="./answers/00007-easy-readonly/answer.ts" target="_blank">7・Readonly</a>~~
+
 ~~<a href="./answers/00011-easy-tuple-to-object/answer.ts" target="_blank">11・Tuple to Object</a>~~
+
 ~~<a href="./answers/00014-easy-first/answer.ts" target="_blank">14・First of Array</a>~~
 
+~~<a href="./answers/00018-easy-tuple-length/answer.ts" target="_blank">18・Length of Tuple</a>~~
+
+~~<a href="./answers/00043-easy-exclude/answer.ts" target="_blank">43・Exclude</a>~~
+
 ## Challenges
 
 > Click the following badges to see details of the challenges.

answers/00018-easy-tuple-length/answer.ts

@@ -0,0 +1,21 @@
+import type { Equal, Expect } from '@type-challenges/utils'
+
+const tesla = ['tesla', 'model 3', 'model X', 'model Y'] as const
+const spaceX = ['FALCON 9', 'FALCON HEAVY', 'DRAGON', 'STARSHIP', 'HUMAN SPACEFLIGHT'] as const
+
+type cases = [
+  Expect<Equal<Length<typeof tesla>, 4>>,
+  Expect<Equal<Length<typeof spaceX>, 5>>,
+  // @ts-expect-error
+  Length<5>,
+  // @ts-expect-error
+  Length<'hello world'>,
+]
+
+/******************************************************************************
+* Answer
+******************************************************************************/
+
+type Length<T extends readonly any[]> = T['length']
+
+type out = Length<typeof tesla>;

answers/00043-easy-exclude/README.ja.md

@@ -0,0 +1,11 @@
+<!--info-header-start--><h1>Exclude <img src="https://img.shields.io/badge/-%E5%88%9D%E7%B4%9A-7aad0c" alt="初級"/> <img src="https://img.shields.io/badge/-%23built--in-999" alt="#built-in"/></h1><blockquote><p>by Zheeeng <a href="https://github.com/zheeeng" target="_blank">@zheeeng</a></p></blockquote><p><a href="https://tsch.js.org/43/play/ja" target="_blank"><img src="https://img.shields.io/badge/-%E6%8C%91%E6%88%A6%E3%81%99%E3%82%8B-3178c6?logo=typescript&logoColor=white" alt="挑戦する"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.md" target="_blank"><img src="https://img.shields.io/badge/-English-gray" alt="English"/></a>  <a href="./README.zh-CN.md" target="_blank"><img src="https://img.shields.io/badge/-%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87-gray" alt="简体中文"/></a>  <a href="./README.ko.md" target="_blank"><img src="https://img.shields.io/badge/-%ED%95%9C%EA%B5%AD%EC%96%B4-gray" alt="한국어"/></a> </p><!--info-header-end-->
+
+組み込みの型ユーティリティ`Exclude <T, U>`を使用せず、`U`に割り当て可能な型を`T`から除外する型を実装します。
+
+例えば：
+
+```ts
+type Result = MyExclude<'a' | 'b' | 'c', 'a'> // 'b' | 'c'
+```
+
+<!--info-footer-start--><br><a href="../../README.ja.md" target="_blank"><img src="https://img.shields.io/badge/-%E6%88%BB%E3%82%8B-grey" alt="戻る"/></a> <a href="https://tsch.js.org/43/answer/ja" target="_blank"><img src="https://img.shields.io/badge/-%E8%A7%A3%E7%AD%94%E3%82%92%E5%85%B1%E6%9C%89-teal" alt="解答を共有"/></a> <a href="https://tsch.js.org/43/solutions" target="_blank"><img src="https://img.shields.io/badge/-%E8%A7%A3%E7%AD%94%E3%82%92%E7%A2%BA%E8%AA%8D-de5a77?logo=awesome-lists&logoColor=white" alt="解答を確認"/></a> <!--info-footer-end-->

answers/00043-easy-exclude/README.ko.md

@@ -0,0 +1,11 @@
+<!--info-header-start--><h1>Exclude <img src="https://img.shields.io/badge/-%EC%89%AC%EC%9B%80-7aad0c" alt="쉬움"/> <img src="https://img.shields.io/badge/-%23built--in-999" alt="#built-in"/></h1><blockquote><p>by Zheeeng <a href="https://github.com/zheeeng" target="_blank">@zheeeng</a></p></blockquote><p><a href="https://tsch.js.org/43/play/ko" target="_blank"><img src="https://img.shields.io/badge/-%EB%8F%84%EC%A0%84%ED%95%98%EA%B8%B0-3178c6?logo=typescript&logoColor=white" alt="도전하기"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.md" target="_blank"><img src="https://img.shields.io/badge/-English-gray" alt="English"/></a>  <a href="./README.zh-CN.md" target="_blank"><img src="https://img.shields.io/badge/-%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87-gray" alt="简体中文"/></a>  <a href="./README.ja.md" target="_blank"><img src="https://img.shields.io/badge/-%E6%97%A5%E6%9C%AC%E8%AA%9E-gray" alt="日本語"/></a> </p><!--info-header-end-->
+
+`T`에서 `U`에 할당할 수 있는 타입을 제외하는 내장 제네릭 `Exclude<T, U>`를 이를 사용하지 않고 구현하세요.
+
+예시:
+
+```ts
+type Result = MyExclude<'a' | 'b' | 'c', 'a'> // 'b' | 'c'
+```
+
+<!--info-footer-start--><br><a href="../../README.ko.md" target="_blank"><img src="https://img.shields.io/badge/-%EB%8F%8C%EC%95%84%EA%B0%80%EA%B8%B0-grey" alt="돌아가기"/></a> <a href="https://tsch.js.org/43/answer/ko" target="_blank"><img src="https://img.shields.io/badge/-%EC%A0%95%EB%8B%B5%20%EA%B3%B5%EC%9C%A0%ED%95%98%EA%B8%B0-teal" alt="정답 공유하기"/></a> <a href="https://tsch.js.org/43/solutions" target="_blank"><img src="https://img.shields.io/badge/-%EC%A0%95%EB%8B%B5%20%EB%B3%B4%EA%B8%B0-de5a77?logo=awesome-lists&logoColor=white" alt="정답 보기"/></a> <!--info-footer-end-->

answers/00043-easy-exclude/README.md

@@ -0,0 +1,13 @@
+<!--info-header-start--><h1>Exclude <img src="https://img.shields.io/badge/-easy-7aad0c" alt="easy"/> <img src="https://img.shields.io/badge/-%23built--in-999" alt="#built-in"/></h1><blockquote><p>by Zheeeng <a href="https://github.com/zheeeng" target="_blank">@zheeeng</a></p></blockquote><p><a href="https://tsch.js.org/43/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript&logoColor=white" alt="Take the Challenge"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.zh-CN.md" target="_blank"><img src="https://img.shields.io/badge/-%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87-gray" alt="简体中文"/></a>  <a href="./README.ja.md" target="_blank"><img src="https://img.shields.io/badge/-%E6%97%A5%E6%9C%AC%E8%AA%9E-gray" alt="日本語"/></a>  <a href="./README.ko.md" target="_blank"><img src="https://img.shields.io/badge/-%ED%95%9C%EA%B5%AD%EC%96%B4-gray" alt="한국어"/></a> </p><!--info-header-end-->
+
+Implement the built-in Exclude<T, U>
+
+> Exclude from T those types that are assignable to U
+
+For example:
+
+```ts
+type Result = MyExclude<'a' | 'b' | 'c', 'a'> // 'b' | 'c'
+```
+
+<!--info-footer-start--><br><a href="../../README.md" target="_blank"><img src="https://img.shields.io/badge/-Back-grey" alt="Back"/></a> <a href="https://tsch.js.org/43/answer" target="_blank"><img src="https://img.shields.io/badge/-Share%20your%20Solutions-teal" alt="Share your Solutions"/></a> <a href="https://tsch.js.org/43/solutions" target="_blank"><img src="https://img.shields.io/badge/-Check%20out%20Solutions-de5a77?logo=awesome-lists&logoColor=white" alt="Check out Solutions"/></a> <!--info-footer-end-->

answers/00043-easy-exclude/README.zh-CN.md

@@ -0,0 +1,15 @@
+<!--info-header-start--><h1>Exclude <img src="https://img.shields.io/badge/-%E7%AE%80%E5%8D%95-7aad0c" alt="简单"/> <img src="https://img.shields.io/badge/-%23built--in-999" alt="#built-in"/></h1><blockquote><p>by Zheeeng <a href="https://github.com/zheeeng" target="_blank">@zheeeng</a></p></blockquote><p><a href="https://tsch.js.org/43/play/zh-CN" target="_blank"><img src="https://img.shields.io/badge/-%E6%8E%A5%E5%8F%97%E6%8C%91%E6%88%98-3178c6?logo=typescript&logoColor=white" alt="接受挑战"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.md" target="_blank"><img src="https://img.shields.io/badge/-English-gray" alt="English"/></a>  <a href="./README.ja.md" target="_blank"><img src="https://img.shields.io/badge/-%E6%97%A5%E6%9C%AC%E8%AA%9E-gray" alt="日本語"/></a>  <a href="./README.ko.md" target="_blank"><img src="https://img.shields.io/badge/-%ED%95%9C%EA%B5%AD%EC%96%B4-gray" alt="한국어"/></a> </p><!--info-header-end-->
+
+> 欢迎 PR 改进翻译质量。
+
+实现内置的Exclude <T, U>类型，但不能直接使用它本身。
+
+> 从联合类型T中排除U的类型成员，来构造一个新的类型。
+
+例如：
+
+```ts
+type Result = MyExclude<'a' | 'b' | 'c', 'a'> // 'b' | 'c'
+```
+
+<!--info-footer-start--><br><a href="../../README.zh-CN.md" target="_blank"><img src="https://img.shields.io/badge/-%E8%BF%94%E5%9B%9E%E9%A6%96%E9%A1%B5-grey" alt="返回首页"/></a> <a href="https://tsch.js.org/43/answer/zh-CN" target="_blank"><img src="https://img.shields.io/badge/-%E5%88%86%E4%BA%AB%E4%BD%A0%E7%9A%84%E8%A7%A3%E7%AD%94-teal" alt="分享你的解答"/></a> <a href="https://tsch.js.org/43/solutions" target="_blank"><img src="https://img.shields.io/badge/-%E6%9F%A5%E7%9C%8B%E8%A7%A3%E7%AD%94-de5a77?logo=awesome-lists&logoColor=white" alt="查看解答"/></a> <!--info-footer-end-->

answers/00043-easy-exclude/answer.ts

@@ -0,0 +1,14 @@
+import type { Equal, Expect } from '@type-challenges/utils'
+
+type cases = [
+  Expect<Equal<MyExclude<'a' | 'b' | 'c', 'a'>, 'b' | 'c'>>,
+  Expect<Equal<MyExclude<'a' | 'b' | 'c', 'a' | 'b'>, 'c'>>,
+  Expect<Equal<MyExclude<string | number | (() => void), Function>, string | number>>,
+]
+
+
+/******************************************************************************
+* Answer
+******************************************************************************/
+
+type MyExclude<T, U> = T extends U ? never : T;

answers/00043-easy-exclude/info.yml

@@ -0,0 +1,6 @@
+difficulty: easy
+title: Exclude
+author:
+  github: zheeeng
+  name: Zheeeng
+tags: built-in

answers/00043-easy-exclude/template.ts

@@ -0,0 +1 @@
+type MyExclude<T, U> = any

answers/00043-easy-exclude/test-cases.ts

@@ -0,0 +1,7 @@
+import type { Equal, Expect } from '@type-challenges/utils'
+
+type cases = [
+  Expect<Equal<MyExclude<'a' | 'b' | 'c', 'a'>, 'b' | 'c'>>,
+  Expect<Equal<MyExclude<'a' | 'b' | 'c', 'a' | 'b'>, 'c'>>,
+  Expect<Equal<MyExclude<string | number | (() => void), Function>, string | number>>,
+]