High performance Data Repository with Value retrieval embeded. a single key could be used to get up to 7 strong typed values. ExpirableRepositories provide a similar set of Dictionaries with Timestamp indicating expirations of the values.
This is a .NET Standard 1.0, Silverlight 5.0 and Windows Phone Silverlight 8.0 & 8.1 backport from System.Collections.Concurrent.ConcurrentDictionary and System.Collections.Concurrent.ConcurrentQueue as defined in .NET Core
Why is it that the List is so widely used, even when there is absolutly no need for the features of a List? I think one of the most important reasons is it beeing so easily available. You could simply use the extension method .ToList() on any IEnumerable.
To help out in this matter, and hopefully...