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Tag: csharp-13

3 posts

2026-01-02 csharp-13 csharp dotnet

C# 13: The End of `params` Allocations

C# 13 finally eliminates the hidden array allocation behind params. You can now use params with Span, ReadOnlySpan, List, and other collection types for zero-allocation variadic methods.

2025-01-02 csharp-13 csharp dotnet

C# 13: Use params collections with any recognized collection type

C# 13 extends the params modifier beyond arrays to support Span, ReadOnlySpan, IEnumerable, and other collection types, reducing boilerplate and improving flexibility.

2025-01-01 csharp-13 csharp dotnet

How to switch to C# 13

How to fix 'Feature is not available in C# 12.0' and switch your project to C# 13 by changing the target framework or setting LangVersion in your .csproj file.