HarmonyOS Next原生应用开发-从TS到ArkTS的适配规则（六）

class C {
  static s: string

  static {
    C.s = 'aa'
  }
  static {
    C.s = C.s + 'bb'
  }
}

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class C {
  static s: string

  static {
    C.s = 'aa'
    C.s = C.s + 'bb'
  }
}

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// 带index signature的接口：
interface StringArray {
  [index: number]: string
}

function getStringArray(): StringArray {
  return ['a', 'b', 'c'];
}

const myArray: StringArray = getStringArray();
const secondItem = myArray[1];

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class X {
  public f: string[] = []
}

let myArray: X = new X();
const secondItem = myArray.f[1];

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interface Identity {
  id: number
  name: string
}

interface Contact {
  email: string
  phoneNumber: string
}

type Employee = Identity & Contact

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interface Identity {
  id: number
  name: string
}

interface Contact {
  email: string
  phoneNumber: string
}

interface Employee extends Identity,  Contact {}

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