Similar Posts

An example of a tuple alias, introduced in C# 12

C# 12 – Alias any type

ByMarius Bughiu

The using alias directive has been relaxed in C# 12 to allow aliasing any sort of type, not just named types. This means that you can now alias tuples, pointers, array types, generic types, etc. So instead of using the full structural form of a tuple, you can now alias it with a short descriptive…

| |

C# How to update a readonly field using UnsafeAccessor

ByMarius Bughiu

Unsafe accessors can be used to access private members of a class, just like you would with reflection. And the same can be said about changing the value of a readonly field. Let’s assume the following class: Let’s say that for some reason you want to change the value of that read-only field. You could…

| |

The type or namespace name InterceptsLocationAttribute could not be found

ByMarius Bughiu

If you’re just getting started with interceptors, you might be getting one of the following errors: Error CS0246 The type or namespace name ‘InterceptsLocationAttribute’ could not be found (are you missing a using directive or an assembly reference?) Error CS0246 The type or namespace name ‘InterceptsLocation’ could not be found (are you missing a using…

|

What’s new in .NET 8

ByMarius Bughiu

.NET 8 was released on November 14, 2023 as an LTS (Long Term Support) version, meaning it will continue to receive support, updates, and bug fixes for at least three years from its release date. As usual, .NET 8 brings support for a new version of the C# languange, namely C# 12. Check out our dedicated page…

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.
| |

.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…

|

NET 8 – Deserialize into read-only properties

ByMarius Bughiu

Starting with .NET 8 you can deserialize into properties which do not have a set accessor. You can opt-in for this behavior using JsonSerializerOptions, or on a per-type basis using the JsonObjectCreationHandling attribute. Using JsonObjectCreationHandling attribute You can annotate your type with the System.Text.Json.Serialization.JsonObjectCreationHandling attribute, passing your option as a parameter. Using JsonSerializerOptions You can…

Leave a Reply

Your email address will not be published. Required fields are marked *

Are you a human? *