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Alex Rivera
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Does the .NET BCL have an immutable Set type? I'm programming in a functional dialect of C# and would like to do something like new Set.UnionWith(A).UnionWith(B).UnionWith(C) But the best I can find is HashSet.UnionWith , which would require the following sequence of calls: HashSet composite = new HashSet(); composite.UnionWith(A); composite.UnionWith(B); composite.UnionWith(C); This use is highly referentially opaque, making it hard to optimize and understand. Is there a better way to do this without writing a custom functional set type?
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