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提出詳細

type Merge<T extends Record<string, any>, U extends Record<string, any>> = {
  [K in keyof T | keyof U]: K extends keyof U
  ? U[K]
  : K extends keyof T ? T[K] : never
}
提出日時2023-05-08 09:35:17
問題Merge
ユーザーDowanna
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
  }>>,
]