export {}

// 泛型-类型别名
type StrOrNum = string | number
// type ObjType = {name:string, getName:()=>string}
type ObjType<N, G> = { name: N; getName: () => G }

let obj: ObjType<StrOrNum, StrOrNum> = {
  name: 12,
  getName() {
    return 1
  },
}

// 泛型-接口
// interface PersonIft {
//   name: string
//   getName: () => string
// }

interface PersonIft<N, G> {
  name: N
  getName(): G
}
let obj2: PersonIft<StrOrNum, number> = {
  name: 2,
  getName() {
    return 1
  },
}