用Bitwise XOR 可以实现 toggle。 Included in list 判断list2 是否 "全部" 在 list1 里 const statusList1 = StatusFlags.one | StatusFlags.two | StatusFlags.four;//7 (00111)const statusList2 = StatusFlags.one | StatusFlags.two;//17 (10001)console.log((statusList1& statusList2) === statu...
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Enum in a Switch Statement Enums are often used inswitchstatements to check for corresponding values: Example enumLevel{Low,Medium,High}staticvoidMain(string[]args){LevelmyVar=Level.Medium;switch(myVar){caseLevel.Low:Console.WriteLine("Low level");break;caseLevel.Medium:Console.WriteLine("Medium ...