RCS1213 FP for primary constructors

[hankovich]

Product and Version Used: latest

Steps to Reproduce:

class MyAttribute : Attribute
{
    public MyAttribute(string s)
    {
    }
}

class Class([My(Class.Const)] int i) // <- use Const
{
    private const string Const = "const"; // <- remove unused const declaration
}

[josefpihrt]

This feature is currently in preview. Let's wait when it's official.

[gtbuchanan]

It's official now.