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It’s been quite a while in the series since we’ve added any fundamental C# language features. Today we’ll address one of the limitations of the C#/C++ communication: the lack of support for out and ref parameters. This is important as they’re commonly used by both the Unity API and .NET and we’d like C++ to be able to call functions with these kinds of parameters. So let’s delve into what it means for C++ to use out and ref parameters and see how to implement support for that across the language boundary.

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