C5  2.4
The C5 Generic Collection Library for C# and CLI is a comprehensive collection library supporting lists, sets, bags, dictionaries, priority queues, (FIFO) queues, and (LIFO) stacks. C5 runs on .NET 3.5+, Silverlight 5, Windows Phone 8, Xamarin.iOS, Xamarin.Android, and Mono.
System.Collections.Generic.IReadOnlyList< out out T > Member List

This is the complete list of members for System.Collections.Generic.IReadOnlyList< out out T >, including all inherited members.

this[int index]System.Collections.Generic.IReadOnlyList< out out T >