HashSet 转换为 List

HashSet conversion to List(HashSet 转换为 List)

问题描述

我在网上查到了这个，但我问这个是为了确保我没有错过任何东西.C# 中是否有将 HashSet 转换为 List 的内置函数?我需要避免重复元素，但我需要返回一个列表.

I have looked this up on the net but I am asking this to make sure I haven't missed out on something. Is there a built-in function to convert HashSets to Lists in C#? I need to avoid duplicity of elements but I need to return a List.

推荐答案

我会这样做:

   using System.Linq;
   HashSet<int> hset = new HashSet<int>();
   hset.Add(10);
   List<int> hList= hset.ToList();

根据定义，HashSet 不包含重复项.所以不需要Distinct.

HashSet is, by definition, containing no duplicates. So there is no need for Distinct.

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