type-challenges-judge

Type Challenges Judge

Problems

Progress

Ranking

Merge

提出詳細

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

提出日時	2023-09-14 08:20:51
問題	Merge
ユーザー	sankantsu
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
  }>>,
]