Dictionary

Top 10 C# Collections Explained with Use Cases and Performance Impact

Learn the top 10 C# collections with practical examples, performance insights, and when to use each one effectively. From List to Dictionary<TKey,TValue>, optimize your data structures for speed and memory.

Avoiding Boxing with Struct Dictionary Keys in C#: Performance and Best Practices

Discover why structs as dictionary keys can cause hidden allocations in C#. Learn how to implement IEquatable, use readonly and record structs, and write allocation-free, high-performance code for hot paths.