type-challenges-judge

Type Challenges Judge

Problems

Progress

Merge

提出詳細

type Merge<F, S> = {
  [K in keyof F | keyof S]:
    K extends keyof S
      ? S[K]
      : K extends keyof F
        ? F[K]
        : never
}

提出日時	2023-09-11 06:14:31
問題	Merge
ユーザー	snaka
ステータス	Accepted

テストケース

import type { Equal, Expect } from '@type-challenges/utils'

type Foo = {
  a: number
  b: string
}
type Bar = {
  b: number
  c: boolean
}

type cases = [
  Expect<Equal<Merge<Foo, Bar>, {
    a: number
    b: number
    c: boolean
  }>>,
]