type-challenges-judge

Type Challenges Judge

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Progress

Ranking

Diff

提出詳細

type Diff<O, O1> = { [P in Exclude<(keyof O | keyof O1), (keyof O & keyof O1)>]: P extends keyof O ? O[P] : P extends keyof O1 ? O1[P] : never }

提出日時	2023-08-30 13:29:09
問題	Diff
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 Foo = {
  name: string
  age: string
}
type Bar = {
  name: string
  age: string
  gender: number
}
type Coo = {
  name: string
  gender: number
}

type cases = [
  Expect<Equal<Diff<Foo, Bar>, { gender: number }>>,
  Expect<Equal<Diff<Bar, Foo>, { gender: number }>>,
  Expect<Equal<Diff<Foo, Coo>, { age: string; gender: number }>>,
  Expect<Equal<Diff<Coo, Foo>, { age: string; gender: number }>>,
]