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提出詳細

type Merge<F extends object, S extends object> = {
  [P in keyof F | keyof S]: P extends keyof S ? S[P]:
    P extends keyof F ? F[P]
    :never;
};
提出日時2022-06-27 23:25:04
問題Merge
ユーザーwaki285
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
  }>>,
]