Steven Giesel • 12/15/2022

Array, List, Collection, Set, ReadOnlyList - what? A comprehensive and exhaustive list of collection-like types

This article provides an exhaustive overview of collection-like types in .NET, including IEnumerable, IList, ICollection, Array, ISet, and immutable/readonly variants. It explains the distinction between interfaces and concrete implementations, offers guidance on when to use each type, and discusses concepts like lazy evaluation. Aimed at C# developers, it serves as a detailed reference for choosing the right collection type for APIs and internal code.

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#c #linq #Collections