Array Swift中的ArraySlice [英] ArraySlice in Array Swift

问题描述

在数组上使用prefix方法后，我得到了称为arraySlice的东西.如何将其转换为数组?

after using the prefix method on an Array I get what is called an arraySlice. How can I transform this into an Array?

我试图从FacebookGraphApi中获取Ints，然后要求输入前3个(前缀(3))，然后尝试将它们添加到新数组中.

I am trying to fetch Ints from FacebookGraphApi then asking for the first 3 (prefix(3)) and trying to add them into a new array.

提前谢谢

推荐答案

只需使用切片初始化新的Array:

Just initialize a new Array with the slice:

let arr1 = [0,1,2,3,4,5,6,7]
let slice = arr1[2...5]
let arr2 = Array(slice)

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