type-challenges-judge

Type Challenges Judge

Problems

Progress

Ranking

Merge

提出詳細

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

提出日時	2023-06-01 03:38:14
問題	Merge
ユーザー	mrsekut
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
  }>>,
]