Nested discard parameters

nested_discard.cs

Func<string, string, string> action = new Func<string, string, string>((_, parameter) =>
{
    string function(string x)
    {
        Console.WriteLine(x);
        return x;
    }
    _ = function(parameter);
    return "whatever";
});

var result = action("x", "y");
Console.WriteLine(result);