Anthony Giretti • 3/1/2025

C# 13: Extended params for Method Parameters

This technical article details a key new feature in C# 13: the enhancement of the 'params' modifier. Previously limited to arrays, 'params' can now be used with types like Span<T>, ReadOnlySpan<T>, and any IEnumerable<T> with an Add method. The post explains the limitations of the old approach, provides code examples of the new syntax, and discusses the performance and flexibility benefits for developers.

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#c #Span #Ienumerable