.NET 6 - The ArgumentNullException helper class

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.NET 6 introduces a new helper class that uses the new [CallerArgumentExpression] attribute and the [DoesNotReturn] attribute; the ArgumentNullException helper class.

This class gives you an easy-to-use helper class that throws an ArgumentNullException for null values.

Thanks to the [CallerArgumentExpression] attribute this helper method gives you better error messages as it can capture the expressions passed to a method.

This is the implementation of this helper class:

Before C# 10, you probably would have used the nameof keyword and implemented this helper class like this: