swift中index(where:)的用法

    // index(where:)的用法
        var myArray = ["我","你", "她", "我们", "你们", "他们"]
        if let index = myArray.index(where: { item -> Bool in
            return item == "我们"
        }){
            myArray.remove(at: index)
            print(myArray)
            // 打印结果:["我", "你", "她", "你们", "他们"]
        }