C# Developers : Learn about Ref Readonly / In Parameter type

In C# 12, the ref readonly parameter modifier is used to pass a reference to a value type by reference, but the value cannot be modified. This is useful when you want to pass a large value type to a method without copying it. The ref readonly modifier can be used with both value types and reference types.

Here are some key points to keep in mind when using ref readonly parameters:

The ref readonly modifier can only be used with in parameters. The in parameter modifier is used to pass a value type by reference, but the value cannot be modified. The in parameter modifier is used to optimize performance by avoiding unnecessary copying of large value types. The in parameter modifier can be used with both value types and reference types.

C# 12,#programming, #.net8 ... https://www.youtube.com/watch?v=5MAQc-P5A-0