HashSet C# append April 14, 2023 by wordlinkanswers HashSet C# append Comment 0 HashSet<int> set = new HashSet<int>();<br /> set.UnionWith() Popularity 7/10 Helpfulness 2/10 Language csharp Source: WorldLinkAnswers Tags: append c# hashset Share Link to this answer Share Contributed on Mar 03 2020 Clear Chipmunk 0 Answers Avg Quality 2/10