实现DictionaryNumericDictionary

Posted 2021-03-13 yanze

这里可借助字符串索引

可用于interface与type

interface Dic<T> {
    [index:string]: T
}

let d1:Dic<string>= {‘a‘: ‘aaa‘, ‘b‘: ‘bbb‘}

interface NumDic<T> {
    [index:number]: T
}

let d1:NumDic<string>= {1: ‘aaa‘, 2: ‘bbb‘}