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How to access private members without reflection in C#

ByMarius Bughiu

Reflection allows you to obtain type information at runtime and to access private members of a class using that information. This can be particularly useful when dealing with classes outside of your control – provided by a third-party package. While powerful, reflection is also very slow, which is one of the main deterrents in using…

How to switch to C# 12

ByMarius Bughiu

While trying out C# 12 features, it’s possible you might come across errors similar to these: Feature is not available in C# 11.0. Please use language version 12.0 or later. or Error CS8652: The feature ‘<feature name>’ is currently in Preview and unsupported. To use Preview features, use the ‘preview’ language version. There are two…

Image showing GetGenericTypeDefinition performance numbers comparing .NET 7 and .NET 8. On .NET 7, the method takes on average 13 ns to execute, while on .NET 8 it only takes 1.6 ns.
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.NET 8 performance: 10x faster GetGenericTypeDefinition

ByMarius Bughiu

.NET 8 brings some neat performance for existing APIs that handle type information. One such API that has seen a significant improvement is GetGenericTypeDefinition. In my benchmarks, the .NET 8 implementation is almost 10 times faster compared to the .NET 7 version. You can run this benchmark yourself if you’d like using BenchmarkDotNet: Or if…

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